Author: Ameeba

  • CVE-2025-0074: Critical Remote Code Execution Vulnerability in SDP Discovery

    Overview

    The vulnerability identified as CVE-2025-0074 is a critical security flaw that can potentially lead to remote code execution. This vulnerability exists in the process_service_attr_rsp operation of sdp_discovery.cc. A potential security threat arises due to a use-after-free error, where an attacker might execute arbitrary code using this flaw. This vulnerability is of particular significance as it requires no additional execution privileges and does not need any user interaction for exploitation. It poses a threat to any system using the affected software, potentially leading to system compromise or data leakage.

    Vulnerability Summary

    CVE ID: CVE-2025-0074
    Severity: Critical (9.8 CVSS)
    Attack Vector: Network
    Privileges Required: None
    User Interaction: None
    Impact: Remote code execution leading to potential system compromise or data leakage

    Affected Products

    Product | Affected Versions

    SDP Discovery | All versions before patch

    How the Exploit Works

    The exploit takes advantage of a use-after-free vulnerability in the process_service_attr_rsp operation of sdp_discovery.cc. A use-after-free error occurs when a pointer is used after it has been freed, leading to undefined behavior, including potential control-flow hijacking, information leakage, or memory corruption. In this case, an attacker can manipulate this undefined behavior to execute arbitrary code remotely, without requiring any additional privileges or user interaction. This makes it a particularly dangerous and stealthy exploit.

    Conceptual Example Code

    Here’s a conceptual example of how an attacker might exploit this vulnerability. Please note that this is purely hypothetical and simplified to illustrate the vulnerability.

    POST /sdp_discovery/process_service_attr_rsp HTTP/1.1
    Host: target.example.com
    Content-Type: application/json
    { "malicious_payload": "code_to_be_executed_after_free" }

    In this example, the malicious payload could contain arbitrary code that the attacker wishes to execute on the system. This code would be run after the pointer has been freed, exploiting the use-after-free vulnerability to obtain control over the system.

    Mitigation Measures

    The best mitigation measure for CVE-2025-0074 is to apply the vendor’s patch for this vulnerability. If this is not immediately possible, using a Web Application Firewall (WAF) or an Intrusion Detection System (IDS) can serve as a temporary mitigation measure. However, these are not foolproof methods and could still leave the system vulnerable to other attacks. Hence, applying the vendor’s patch should be the priority in order to fully remediate this critical vulnerability.

  • CVE-2025-52353: Arbitrary Code Execution Vulnerability in Badaso CMS 2.9.11

    Overview

    The CVE-2025-52353 vulnerability is a severe security flaw found in Badaso CMS version 2.9.11. This vulnerability enables an attacker to execute arbitrary system commands, leading to a full compromise of the underlying host. Given the severity of the possible impact, it’s crucial for organizations using Badaso CMS to understand this vulnerability and how it can be mitigated.
    It primarily affects all systems running Badaso CMS 2.9.11. The significance of this vulnerability lies in its potential to allow authenticated users to bypass content-type validation and upload files with embedded PHP code. This could result in severe consequences, including system compromise or data leakage.

    Vulnerability Summary

    CVE ID: CVE-2025-52353
    Severity: Critical (CVSS: 9.8)
    Attack Vector: Network
    Privileges Required: Low (Authenticated User)
    User Interaction: Required
    Impact: Full system compromise and potential data leakage

    Affected Products

    Product | Affected Versions

    Badaso CMS | 2.9.11

    How the Exploit Works

    The exploit takes advantage of the Media Manager in Badaso CMS 2.9.11, which fails to validate content-types correctly. This allows an authenticated user to upload a file containing embedded PHP code via the file-upload endpoint.
    Once the file is uploaded, accessing the file via its URL causes the server to execute the embedded PHP code. An attacker could use this functionality to run arbitrary system commands, effectively taking control over the underlying system. This has been demonstrated by embedding a backdoor within a PDF, renaming it with a .php extension, and then uploading it to the server.

    Conceptual Example Code

    Here’s a conceptual example of how an attacker might exploit this vulnerability:

    POST /file-upload HTTP/1.1
    Host: vulnerable-cms.example.com
    Content-Type: application/pdf
    { "file": "malicious_file.php",
    "content": "<?php system($_GET['cmd']); ?>" }

    In this example, the attacker uploads a PDF file renamed with a .php extension and containing PHP code that enables arbitrary command execution.

    Mitigation

    In response to this vulnerability, users are urged to apply the vendor patch as soon as it becomes available. If the patch cannot be applied immediately, a Web Application Firewall (WAF) or Intrusion Detection System (IDS) can be used as a temporary mitigation measure. These tools can help block or alert to any suspicious activities related to this vulnerability.
    This vulnerability highlights the importance of proper input validation, particularly for file uploads. Regularly updating and patching software can also help protect systems from such potential threats. Organizations must remain vigilant and proactive in their cybersecurity efforts to guard against such vulnerabilities.

  • CVE-2025-9356: Linksys Range Extenders Vulnerable to Stack-based Buffer Overflow Attack

    Overview

    The cybersecurity landscape is an ever-evolving battlefield. A vulnerability recently identified, dubbed CVE-2025-9356, has caused quite a stir and is a matter of concern for many. This critical vulnerability affects a range of Linksys extenders namely RE6250, RE6300, RE6350, RE6500, RE7000, and RE9000. These extenders are at risk of a stack-based buffer overflow, a serious threat that could allow remote attackers to execute arbitrary code, potentially compromising the system or leaking sensitive data.
    This vulnerability matters because of the widespread use of these Linksys range extenders in home and business environments. Given the remote attack vector, malicious actors could exploit this vulnerability from anywhere in the world, increasing the risk and potential scale of the damage.

    Vulnerability Summary

    CVE ID: CVE-2025-9356
    Severity: High (8.8/10)
    Attack Vector: Remote
    Privileges Required: None
    User Interaction: None
    Impact: System compromise or data leakage

    Affected Products

    Product | Affected Versions

    Linksys RE6250 | 1.0.013.001
    Linksys RE6300 | 1.0.04.001
    Linksys RE6350 | 1.0.04.002
    Linksys RE6500 | 1.1.05.003
    Linksys RE7000 | 1.2.07.001
    Linksys RE9000 | 1.2.07.001

    How the Exploit Works

    The vulnerability lies within the function inboundFilterAdd of the file /goform/inboundFilterAdd. Manipulation of the argument ruleName can lead to a stack-based buffer overflow, a condition where the stack pointer exceeds the stack bound, allowing an attacker to control the execution of the system, possibly leading to system crash or execution of malicious code.

    Conceptual Example Code

    The following conceptual example illustrates a potential exploitation of this vulnerability. Note that this is a simplified representation, not an actual piece of exploit code.

    POST /goform/inboundFilterAdd HTTP/1.1
    Host: target.example.com
    Content-Type: application/json
    {
    "ruleName": "A"*10000 // This payload overflows the buffer
    }

    In this example, the ruleName is overloaded with a string of ‘A’s, exceeding the buffer capacity. This could cause a buffer overflow, potentially allowing an attacker to execute arbitrary code.

  • CVE-2024-39335: Critical Information Disclosure Vulnerability in Mahara

    Overview

    The cybersecurity landscape is constantly evolving, and today we are here to talk about a serious vulnerability that has been discovered in supported versions of Mahara 24.04 and 23.04, specifically versions before 24.04.1 and 23.04.6. This vulnerability, designated CVE-2024-39335, allows for the potential disclosure of sensitive information to an institution administrator and under certain conditions, could lead to a system compromise or data leakage. This vulnerability is significant because Mahara is a widely used open-source ePortfolio system, and a successful exploit could affect a vast number of users and institutions.

    Vulnerability Summary

    CVE ID: CVE-2024-39335
    Severity: Critical (CVSS score of 9.1)
    Attack Vector: Network
    Privileges Required: Low
    User Interaction: Required
    Impact: Potential system compromise or data leakage

    Affected Products

    Product | Affected Versions

    Mahara | 24.04 before 24.04.1
    Mahara | 23.04 before 23.04.6

    How the Exploit Works

    The exploit operates by taking advantage of the ‘Current submissions’ page accessible via Administration -> Groups -> Submissions. Under certain conditions, this page discloses vital information to an institution administrator. This information could potentially be used to compromise the system or lead to data leakage. The exact mechanism of the exploit isn’t disclosed to prevent misuse, but the vulnerability lies in the failure of proper access controls on the mentioned administration page.

    Conceptual Example Code

    Here is a conceptual example of how the vulnerability might be exploited. The attacker, having gained low-level privileges, could make a request to the ‘Current submissions’ page like this:

    GET /admin/groups/submissions HTTP/1.1
    Host: target.example.com
    User-Agent: Mozilla/5.0
    Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8
    Referer: http://target.example.com/login
    Cookie: session=malicious_session
    Connection: keep-alive

    This request, under certain circumstances, could reveal sensitive information to the attacker, leading to a system compromise or data leakage.

    Mitigation Guidance

    To mitigate this vulnerability, administrators should immediately apply the vendor’s patch to upgrade to version 24.04.1 or 23.04.6. Until this can be done, the use of a Web Application Firewall (WAF) or an Intrusion Detection System (IDS) could serve as a temporary mitigation. However, these should not be considered long-term solutions, and patching should be the priority.

  • CVE-2025-55526: High-Risk Directory Traversal Vulnerability in n8n-workflows

    Overview

    The cybersecurity world is on high alert due to the discovery of a significant directory traversal vulnerability identified as CVE-2025-55526 in n8n-workflows. This vulnerability, found in the Main Commit ee25413, allows potential attackers to execute a directory traversal attack via the download_workflow function within api_server.py. It’s a critical issue since it puts at risk all the systems that rely on n8n-workflows, potentially leading to system compromise or data leakage.
    Vulnerabilities like these are of grave concern as they could enable an attacker to access sensitive data, inject malicious content, or even gain control over the affected system. This blog post aims to provide an in-depth exploration of CVE-2025-55526, its implications, and potential mitigation strategies.

    Vulnerability Summary

    CVE ID: CVE-2025-55526
    Severity: Critical (9.1 CVSS score)
    Attack Vector: Network
    Privileges Required: Low
    User Interaction: None
    Impact: Potential system compromise or data leakage

    Affected Products

    Product | Affected Versions

    n8n-workflows | Main Commit ee25413

    How the Exploit Works

    The exploit takes advantage of a lack of proper sanitization of user-provided input in the download_workflow function within api_server.py. By sending a specially crafted request, an attacker can manipulate the path that the function accesses, allowing the attacker to traverse the directory structure, potentially accessing sensitive files or data outside of the intended directory.

    Conceptual Example Code

    The attacker might exploit this vulnerability using an HTTP request similar to the following:

    GET /api/download_workflow?workflow=../../../etc/passwd HTTP/1.1
    Host: target.example.com

    In this example, the attacker attempts to download the /etc/passwd file, which is outside the intended directory. This file often contains user account information and can provide valuable information for further attacks.

    Mitigation Guidance

    To mitigate this vulnerability, users are strongly encouraged to apply the latest vendor patch as soon as possible. As a temporary mitigation, users may consider using a Web Application Firewall (WAF) or an Intrusion Detection System (IDS) to detect and block attempted exploits of this vulnerability.
    It is also recommended to enforce the principle of least privilege, ensuring that each user and process has the least amount of privilege necessary to perform its function. This can limit the potential damage caused by this vulnerability.

  • CVE-2025-25737: Critical Vulnerability in Kapsch TrafficCom RSUs Due to Lack of Secure Password Requirements

    Overview

    The Common Vulnerabilities and Exposures (CVE) system has identified a significant security flaw in Kapsch TrafficCom RIS-9160 & RIS-9260 Roadside Units (RSUs). These systems, which are used to manage traffic flow and provide roadside communication, were discovered to lack secure password requirements for its BIOS Supervisor and User accounts. This lack of security places the systems, and potentially the data they manage, at severe risk. Given how integral these systems are to traffic management and safety, the potential consequences of this vulnerability are substantial and wide-reaching.

    Vulnerability Summary

    CVE ID: CVE-2025-25737
    Severity: Critical (9.8/10.0)
    Attack Vector: Network
    Privileges Required: None
    User Interaction: None
    Impact: System compromise, data leakage

    Affected Products

    Product | Affected Versions

    Kapsch TrafficCom RIS-9160 | v3.2.0.829.23
    Kapsch TrafficCom RIS-9260 | v3.8.0.1119.42, v4.6.0.1211.28

    How the Exploit Works

    The vulnerability exists due to the lack of secure password requirements for the BIOS Supervisor and User accounts in the aforementioned Kapsch TrafficCom RSUs. This allows attackers to perform a bruteforce attack, which involves trying every possible password combination until the correct one is found. Once the attacker has gained access to these accounts, they can potentially compromise the system or leak data.

    Conceptual Example Code

    This is a conceptual example of a bruteforce attack using a Python script:

    import itertools
    def bruteforce(charset, maxlength):
    return (''.join(candidate)
    for candidate in itertools.chain.from_iterable(itertools.product(charset, repeat=i)
    for i in range(1, maxlength + 1)))
    for attempt in bruteforce("ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789", 10):
    # Insert code here to try to login with 'attempt' as the password
    pass

    In this example, the Python script generates all possible combinations of uppercase letters and numbers up to a length of 10. The script then attempts to log in with each generated combination.

    Mitigation

    Users of the affected Kapsch TrafficCom RSUs are recommended to apply the vendor patch as soon as it’s available. As a temporary mitigation, users may also use a Web Application Firewall (WAF) or Intrusion Detection System (IDS). These systems can help to detect and prevent bruteforce attacks by monitoring network traffic and alerting or blocking any suspicious activity.
    However, these measures should only be considered as temporary solutions. Applying the vendor patch should be the priority to ensure the vulnerability is completely addressed.

  • CVE-2025-25736: Pre-Installed Android Debug Bridge in Kapsch TrafficCom RSU LEO

    Overview

    The vulnerability identified as CVE-2025-25736 is a critical security flaw discovered in certain versions of Kapsch TrafficCom RIS-9260 RSU LEO. This vulnerability is particularly precarious because it allows unauthenticated root shell access to the cellular modem via a default user, potentially leading to system compromise or data leakage.
    The impact of this vulnerability is high due to the fact that it affects the Android Debug Bridge (ADB), a versatile command-line tool that allows devices to communicate with the Android operating system. If exploited, this vulnerability could lead to significant breaches in data privacy and system integrity.

    Vulnerability Summary

    CVE ID: CVE-2025-25736
    Severity: Critical (9.8/10)
    Attack Vector: Network
    Privileges Required: None
    User Interaction: None
    Impact: Unauthenticated root shell access, potential system compromise or data leakage

    Affected Products

    Product | Affected Versions

    Kapsch TrafficCom RIS-9260 RSU LEO | v3.2.0.829.23
    Kapsch TrafficCom RIS-9260 RSU LEO | v3.8.0.1119.42
    Kapsch TrafficCom RIS-9260 RSU LEO | v4.6.0.1211.28

    How the Exploit Works

    The vulnerability exists because the Android Debug Bridge (ADB) is pre-installed and enabled by default on the affected versions of the product. An attacker can exploit this vulnerability by accessing the cellular modem via the default ‘kapsch’ user, thereby gaining unauthenticated root shell access.

    Conceptual Example Code

    Although actual exploit code is not provided for ethical reasons, a conceptual scenario might look like this: an attacker connects to the device over the network and uses the ADB to access the system as the root user.

    adb connect target_device_ip
    adb root
    adb shell

    Once in the shell, the attacker could perform any number of malicious activities, from data theft to system compromise.

  • CVE-2025-25734: Unauthenticated EFI Shell Vulnerability in Kapsch TrafficCom RSUs

    Overview

    Cybersecurity is a constant cat-and-mouse game, and the stakes are always high. Keeping pace with the latest vulnerabilities is essential in ensuring the security of both hardware and software systems. The recent discovery of a significant vulnerability, CVE-2025-25734, in Kapsch TrafficCom Roadside Units (RSUs) is a case in point. This vulnerability affects versions v3.2.0.829.23, v3.8.0.1119.42, and v4.6.0.1211.28 of these devices and carries a high severity rating due to its potential for system compromise and data leakage.

    Vulnerability Summary

    CVE ID: CVE-2025-25734
    Severity: Critical (CVSS score 9.8)
    Attack Vector: Network
    Privileges Required: None
    User Interaction: None
    Impact: System compromise and potential data leakage

    Affected Products

    Product | Affected Versions

    Kapsch TrafficCom RIS-9160 | v3.2.0.829.23, v3.8.0.1119.42, v4.6.0.1211.28
    Kapsch TrafficCom RIS-9260 | v3.2.0.829.23, v3.8.0.1119.42, v4.6.0.1211.28

    How the Exploit Works

    The vulnerability arises from an unauthenticated EFI shell present in the affected RSUs. EFI, or Extensible Firmware Interface, is a type of firmware interface that connects a computer’s operating system and its firmware. In this case, the unauthenticated EFI shell allows attackers to execute arbitrary code or escalate their privileges during the boot process of the RSUs. Given that no user interaction is required, an attacker can remotely compromise the system and potentially siphon off sensitive data.

    Conceptual Example Code

    Here’s a conceptual example of how the vulnerability might be exploited. This example represents a shell command that an attacker might use to exploit the unauthenticated EFI shell.

    # Connect to the EFI shell
    ssh root@target.example.com
    # Once connected, execute arbitrary code
    echo "malicious_code" > /boot/EFI/BOOTX64.EFI
    # Reboot the system
    reboot

    In this example, ‘malicious_code’ represents arbitrary code that the attacker could inject into the EFI shell, potentially resulting in escalated privileges or other undesirable outcomes.
    Remember, this is a conceptual example and may not represent an actual exploit. Always use such information responsibly, for the purpose of understanding and mitigating vulnerabilities.

  • CVE-2025-7775: Critical Memory Overflow Vulnerability in NetScaler ADC and Gateway Leading to Potential System Compromise

    Overview

    The cybersecurity landscape is ever-evolving with new vulnerabilities emerging, posing significant threats to companies and individuals worldwide. One such vulnerability is the CVE-2025-7775, a memory overflow leading to remote code execution (RCE) or denial of service (DoS) in NetScaler ADC and NetScaler Gateway, when configured in specific ways.
    This vulnerability affects a range of NetScaler versions, potentially compromising systems and leading to data leakage. It carries a high severity given its CVSS score of 9.8 out of 10. Understanding and mitigating such vulnerabilities is crucial to maintaining secure systems and protecting sensitive data.

    Vulnerability Summary

    CVE ID: CVE-2025-7775
    Severity: Critical (CVSS: 9.8)
    Attack Vector: Network
    Privileges Required: None
    User Interaction: None
    Impact: Successful exploitation of this vulnerability could lead to system compromise or data leakage.

    Affected Products

    Product | Affected Versions

    NetScaler ADC | 13.1, 14.1, 13.1-FIPS, NDcPP
    NetScaler Gateway | 13.1, 14.1, 13.1-FIPS, NDcPP

    How the Exploit Works

    The vulnerability is a memory overflow error that can be triggered when NetScaler is configured as a Gateway (VPN virtual server, ICA Proxy, CVPN, RDP Proxy) or an AAA virtual server. The overflow occurs when handling specific types of requests.
    This flaw can also be triggered when LB virtual servers of type (HTTP, SSL, or HTTP_QUIC) are bound with IPv6 services or service groups bound with IPv6 servers. Exploiting this vulnerability allows a remote attacker to execute arbitrary code on the affected system or cause a denial of service.

    Conceptual Example Code

    This is a conceptual example of how a crafted HTTP request might be used to exploit the vulnerability:

    POST /netscaler/vpn HTTP/1.1
    Host: target.example.com
    Content-Type: application/json
    { "malicious_payload": "..." }

    In this example, the “malicious_payload” would be designed to trigger the memory overflow, leading to remote code execution or denial of service.

    Potential Mitigations

    The best mitigation against this vulnerability is to apply the vendor’s patch as soon as possible. In the case that immediate patching is not possible, using a Web Application Firewall (WAF) or Intrusion Detection System (IDS) can serve as a temporary mitigation, helping to detect and block attempts to exploit this vulnerability. Regularly updating and patching your systems is a key part of maintaining strong cybersecurity.

  • CVE-2025-41702: Critical JWT Secret Key Vulnerability in egOS WebGUI

    Overview

    The CVE-2025-41702 vulnerability poses a significant threat to any organization employing egOS WebGUI as a part of their technology stack. The vulnerability lies in the JWT (JSON Web Token) secret key, which is embedded and readable in the egOS WebGUI backend to the default user. This flaw can potentially allow an unauthenticated remote attacker to generate valid HS256 tokens and bypass any authentication and authorization mechanisms in place, leading to severe security breaches. Given the potential for system compromise or data leakage, understanding and mitigating this vulnerability is of utmost importance.

    Vulnerability Summary

    CVE ID: CVE-2025-41702
    Severity: Critical (9.8)
    Attack Vector: Network
    Privileges Required: None
    User Interaction: None
    Impact: Potential system compromise or data leakage

    Affected Products

    Product | Affected Versions

    egOS WebGUI | All versions prior to the vendor patch

    How the Exploit Works

    The exploit works by leveraging the embedded JWT secret key in the egOS WebGUI backend. An unauthenticated remote attacker can read this key and generate valid HS256 tokens. These tokens can then be used to bypass the authentication/authorization mechanisms in place, effectively providing the attacker unrestricted access to the system. This can lead to unauthorized actions such as data manipulation, data theft, or even a complete system compromise.

    Conceptual Example Code

    Here is a conceptual example of how this vulnerability might be exploited:

    import jwt
    # Read the JWT secret key
    secret_key = read_jwt_secret_key_from_egos_webgui()
    # Generate a valid HS256 token
    payload = {"admin": True}
    token = jwt.encode(payload, secret_key, algorithm='HS256')
    # Use this token to bypass authentication/authorization
    headers = {"Authorization": f"Bearer {token}"}
    response = requests.get("http://target.example.com/protected/resource", headers=headers)

    In this conceptual example, an attacker reads the JWT secret key from the egOS WebGUI backend, generates a valid HS256 token with a payload that includes administrative privileges, and uses this token to bypass authentication and access a protected resource.

    Mitigation Guidance

    The primary mitigation strategy for this vulnerability is to apply the vendor-provided patch. If applying the patch is not immediately feasible, organizations can use a Web Application Firewall (WAF) or Intrusion Detection System (IDS) as a temporary mitigation strategy. These can monitor and potentially block anomalous or malicious network traffic, thereby reducing the risk associated with this vulnerability. However, it’s crucial to note that these are temporary measures and applying the vendor patch is the recommended long-term solution.

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