Author: Ameeba

Overview

CVE-2023-50991 represents a significant buffer overflow vulnerability in Tenda i29, affecting versions 1.0 V1.0.0.5 and 1.0 V1.0.0.2. This vulnerability exposes systems to potential remote denial-of-service (DoS) attacks, posing a substantial security risk for users and organizations using these versions. It matters because successful exploitation may result in system compromise or data leakage.

Vulnerability Summary

CVE ID: CVE-2023-50991
Severity: High (7.5 CVSS score)
Attack Vector: Network
Privileges Required: None
User Interaction: None
Impact: System compromise and potential data leakage

Affected Products

Product | Affected Versions

Tenda i29 | 1.0 V1.0.0.5
Tenda i29 | 1.0 V1.0.0.2

How the Exploit Works

The vulnerability arises due to inadequate handling of the pingIp parameter in the pingSet function of Tenda i29. By exploiting this vulnerability, remote attackers can overflow the buffer with excessive data, leading to a denial of service (DoS). In some cases, this can also provide an opportunity for the attacker to execute arbitrary code or cause data leakage.

Conceptual Example Code

Below is a conceptual example of how the vulnerability might be exploited:
“`http
POST /pingSet HTTP/1.1
Host: target.example.com
Content-Type: application/x-www-form-urlencoded
pingIp=aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa

Overview

The cybersecurity landscape has witnessed a new vulnerability, CVE-2023-51502, which affects WooCommerce Stripe Payment Gateway. This vulnerability allows an attacker to bypass authorization through user-controlled key, potentially leading to system compromise or data leakage. Given the widespread use of the WooCommerce Stripe Payment Gateway, this vulnerability poses significant risks to many online businesses.

Vulnerability Summary

CVE ID: CVE-2023-51502
Severity: High – 7.5 CVSS Score
Attack Vector: Network
Privileges Required: None
User Interaction: None
Impact: System compromise and potential data leakage

Affected Products

Product | Affected Versions

WooCommerce Stripe Payment Gateway | Up to and including 7.6.1

How the Exploit Works

An attacker can exploit the vulnerability by manipulating user-controlled keys in the WooCommerce Stripe Payment Gateway. Because the system does not correctly verify the permissions, this can allow unauthorized access to sensitive data or even system control.

Conceptual Example Code

Below is a conceptual example of how an attacker might exploit this vulnerability. Note this is not real exploit code, but a simplified representation of how the attack might occur.

POST /payment/authorize HTTP/1.1
Host: target.example.com
Content-Type: application/json
{
"user_key": "malicious_key",
"command": "extract_all_user_data"
}

In this example, the attacker sends a POST request with a malicious key and a command to extract all user data.

Mitigation Measures

To mitigate this vulnerability, users should immediately apply the vendor-supplied patch. In the absence of a patch, users can employ a Web Application Firewall (WAF) or Intrusion Detection System (IDS) capable of detecting and blocking attempts to exploit this vulnerability. Regularly updating and patching systems is crucial to maintaining a robust cybersecurity posture.

Overview

This report provides a detailed analysis of the CVE-2024-22050 vulnerability, a severe path traversal issue found in the Iodine static file service for versions below 0.7.33. This vulnerability could potentially allow unauthenticated, remote attackers to access unauthorized data and potentially compromise the system, highlighting why it requires immediate attention and action.

Vulnerability Summary

CVE ID: CVE-2024-22050
Severity: High (7.5)
Attack Vector: Network
Privileges Required: None
User Interaction: None
Impact: System compromise and potential data leakage

Affected Products

Product | Affected Versions

Iodine | < 0.7.33 How the Exploit Works

The exploit takes advantage of a path traversal vulnerability in Iodine’s static file service. An attacker can craft malicious URLs to traverse directories and gain unauthorized access to files outside the public folder. Because the service does not properly sanitize input, these URLs can potentially lead to sensitive system information or data leakage.

Conceptual Example Code

Here is a conceptual example of how an attacker might exploit the vulnerability using a malicious URL:

GET /../../../etc/passwd HTTP/1.1
Host: vulnerable-iodine.example.com

In this example, the attacker is attempting to access the /etc/passwd file, which is typically restricted and contains sensitive user information.

Mitigation Guidance

To mitigate the risks posed by this vulnerability, it is recommended to apply the vendor’s patch to update Iodine to version 0.7.33 or later. In situations where immediate patching is not feasible, implementing Web Application Firewall (WAF) or Intrusion Detection System (IDS) can serve as temporary mitigation by blocking or alerting on suspicious URL patterns.

Overview

CVE-2024-0241 is a severe vulnerability that affects versions of encoded_id-rails that are before 1.0.0.beta2. This flaw allows a remote and unauthenticated attacker to potentially cause a Denial of Service (DoS) state. The impact of this vulnerability is significant, as it could cause severe disruptions in services and potentially lead to system compromise or data leakage.

Vulnerability Summary

CVE ID: CVE-2024-0241
Severity: High (CVSS: 7.5)
Attack Vector: Network
Privileges Required: None
User Interaction: None
Impact: The successful exploitation of this vulnerability can lead to a Denial of Service (DoS) condition, potentially causing system compromise or data leakage.

Affected Products

Product | Affected Versions

Encoded_id-rails | Before 1.0.0.beta2

How the Exploit Works

The vulnerability lies in the handling of the “id” parameter in an HTTP request by encoded_id-rails. By sending an HTTP request with an extremely long “id” parameter, a remote and unauthenticated attacker can trigger a buffer overflow condition. This, in turn, can lead to uncontrolled resource consumption, causing a denial of service condition.

Conceptual Example Code

Below is a conceptual example of how the vulnerability might be exploited. This example shows a HTTP POST request with an extremely long “id” parameter:

POST /rails/encoded_id HTTP/1.1
Host: target.example.com
Content-Type: application/x-www-form-urlencoded
id=111111111111111111111111111111111111111111111111111111111111111111111111111111111111111....

Please note that it is a conceptual example and the actual exploit code might differ.

Overview

The CVE-2022-2081 vulnerability affects the HCI Modbus TCP function in certain product versions. This vulnerability could potentially lead to a system compromise or data leakage if exploited. Understanding and mitigating this vulnerability is crucial for organizations that rely on these systems for their operations.

Vulnerability Summary

CVE ID: CVE-2022-2081
Severity: High (7.5 CVSS Score)
Attack Vector: Network
Privileges Required: None
User Interaction: None
Impact: System compromise or data leakage, potential reboot of the targeted RTU500 CMU.

Affected Products

Product | Affected Versions

HCI Modbus TCP function | All versions with enabled and configured HCI Modbus TCP

How the Exploit Works

The vulnerability exists in the HCI Modbus TCP function. If this function is enabled and configured, an attacker can exploit it by sending a specially crafted, high-rate message to the RTU500, which causes the targeted RTU500 CMU to reboot. The vulnerability arises from a lack of flood control, leading to an internal stack overflow in the HCI Modbus TCP function.

Conceptual Example Code

This is a conceptual representation of how the vulnerability might be exploited. In this instance, the attacker would send a high volume of messages to the target, causing a stack overflow and subsequent reboot.

FOR i = 1 TO 10000
SEND_MESSAGE_TO_TARGET("192.168.1.1", "Special crafted message")
NEXT i

Impact Summary

A successful exploitation of this vulnerability can lead to a potential system compromise or data leakage. The targeted RTU500 CMU would reboot, interrupting its normal operations and potentially leading to operational downtime.

Mitigation Guidance

Users can mitigate this vulnerability by applying the vendor’s patch or using a Web Application Firewall (WAF) or Intrusion Detection System (IDS) as temporary mitigation. Regularly updating and patching systems can also help to prevent this vulnerability from being exploited.

Overview

The common vulnerability exposure (CVE) identified as CVE-2023-50082 pertains to a security flaw in the Aoyun Technology pbootcms V3.1.2. This vulnerability exposes the software to Incorrect Access Control attacks, potentially allowing unauthorized remote attackers to access sensitive information via session leakage and circumvent backend management platform login requirements. This exposure could result in system compromise or data leakage, posing a significant risk to the integrity and confidentiality of the affected systems.

Vulnerability Summary

CVE ID: CVE-2023-50082
Severity: High (CVSS: 7.5)
Attack Vector: Network
Privileges Required: None
User Interaction: None
Impact: System compromise, data leakage

Affected Products

Product | Affected Versions

Aoyun Technology pbootcms | V3.1.2

How the Exploit Works

The Incorrect Access Control vulnerability within Aoyun Technology pbootcms V3.1.2 allows remote attackers to access sensitive information via session leakage. This leakage is due to improper session management, which could potentially allow an attacker to intercept a user session or bypass the login mechanism of the backend management platform. This could lead to unauthorized access to the system, resulting in data theft or system compromise.

Conceptual Example Code

The following is a conceptual example of how this vulnerability may be exploited using a HTTP request to initiate a session leakage:

GET /pbootcms/ HTTP/1.1
Host: target.example.com
Cookie: SESSIONID=...

This HTTP request could potentially allow an attacker to initiate a session with the target server using a leaked or intercepted session ID.

Mitigation Guidance

To mitigate the CVE-2023-50082 vulnerability, it is recommended to apply the latest patch provided by Aoyun Technology for the pbootcms. If a patch is not immediately available or cannot be applied, the use of a Web Application Firewall (WAF) or an Intrusion Detection System (IDS) could serve as a temporary mitigation measure to detect and block potential exploits. Always ensure to follow best practices for cybersecurity, including maintaining up-to-date software, regularly monitoring system logs, and implementing robust access control mechanisms.

Overview

This report details a significant vulnerability in Amazon Ion’s Java implementation. The issue, identified as CVE-2024-21634, primarily affects applications that utilize the `ion-java` library to deserialize Ion text encoded data. If successfully exploited, this vulnerability can cause denial-of-service (DoS) issues, resulting in the potential for system compromise or data leakage. It is therefore vital for organizations using the affected versions of the `ion-java` library to take immediate action to mitigate this risk.

Vulnerability Summary

CVE ID: CVE-2024-21634
Severity: High (7.5 CVSS)
Attack Vector: Network
Privileges Required: None
User Interaction: None
Impact: System compromise or data leakage

Affected Products

Product | Affected Versions

Amazon Ion (Java implementation) | Prior to version 1.10.5

How the Exploit Works

An attacker could craft Ion data that, when loaded by the affected application and processed using the `IonValue` model, results in a `StackOverflowError` originating from the `ion-java` library. This error can lead to a denial-of-service condition, potentially causing system compromise or data leakage.

Conceptual Example Code

Below is a conceptual example of how the vulnerability might be exploited. This pseudocode represents a malicious Ion data that could cause a `StackOverflowError` when processed by the `ion-java` library.

IonValue maliciousData = IonSystemBuilder.standard().build().newReader("{ 'malicious_payload': '...' }");
IonValue result = maliciousData.get(0);

Mitigation

The most effective mitigation for this vulnerability is to apply the patch provided by the vendor, which is included in `ion-java` version 1.10.5. If this is not immediately feasible, using a Web Application Firewall (WAF) or Intrusion Detection System (IDS) can provide temporary mitigation. However, these should not be viewed as long-term solutions, and the patch should be applied as soon as possible.
As a general security best practice, avoid loading data that originated from an untrusted source or that could have been tampered with.

Overview

This report addresses the cybersecurity vulnerability CVE-2023-50256 related to Froxlor, an open-source server administration software. The vulnerability, found in versions prior to 2.1.2, allows users to bypass mandatory field requirements during registration, potentially leading to system compromise or data leakage. It is a significant issue due to its potential impact on data security and integrity.

Vulnerability Summary

CVE ID: CVE-2023-50256
Severity: High (7.5)
Attack Vector: Network
Privileges Required: None
User Interaction: Required
Impact: System compromise and potential data leakage

Affected Products

Product | Affected Versions

Froxlor | Versions prior to 2.1.2

How the Exploit Works

The exploit works by submitting the registration form with important fields, such as username and password, left intentionally blank. These fields, which are typically mandatory, can be bypassed in Froxlor versions prior to 2.1.2, allowing the registration process to proceed without key data. This could potentially allow an attacker to gain access to the system and compromise it or leak sensitive data.

Conceptual Example Code

Here is a conceptual example of how the vulnerability might be exploited using an HTTP request:

POST /registration HTTP/1.1
Host: target.example.com
Content-Type: application/x-www-form-urlencoded
username=&password=&surname=&company_name=

In the above example, the attacker leaves the fields for `username`, `password`, `surname`, and `company_name` empty, thereby bypassing the system’s mandatory field requirements and potentially gaining unauthorized access.

Mitigation

To mitigate this vulnerability, users are advised to update Froxlor to version 2.1.2 or later, which contains a fix for this issue. In the meantime, using a Web Application Firewall (WAF) or an Intrusion Detection System (IDS) can provide temporary mitigation.

Overview

The vulnerability, CVE-2023-46929, is a significant security issue that affects users of the GPAC 2.3-DEV-rev605-gfc9e29089-master. Specifically, a flaw in MP4Box in gf_avc_change_vui has been identified, which attackers can exploit to crash the application. The severity of this vulnerability underscores the importance of prompt patching and mitigation to prevent potential system compromise or data leakage.

Vulnerability Summary

CVE ID: CVE-2023-46929
Severity: High (CVSS: 7.5)
Attack Vector: Network
Privileges Required: None
User Interaction: None
Impact: System crash, potential system compromise, and data leakage

Affected Products

Product | Affected Versions

GPAC | 2.3-DEV-rev605-gfc9e29089-master

How the Exploit Works

The vulnerability is in the gf_avc_change_vui function in the file /afltest/gpac/src/media_tools/av_parsers.c. An attacker can exploit this flaw by sending a specially crafted payload to the application. This payload triggers an error in the MP4Box, causing the application to crash, potentially granting unauthorized system access or leading to data leakage.

Conceptual Example Code

Below is a conceptual example of a malicious payload that might be used to exploit this vulnerability. Note that the specific payload would depend on the attacker’s knowledge of the system and their intent.

POST /gf_avc_change_vui HTTP/1.1
Host: target.example.com
Content-Type: application/mp4
{ "malicious_payload": "specially_crafted_data" }

Mitigation Guidance

Users are advised to apply the vendor patch as soon as it is available. In the meantime, use of a Web Application Firewall or Intrusion Detection System may offer temporary mitigation. Regular system monitoring and network traffic analysis can also help detect any unusual activity.

Overview

This report provides a detailed analysis of a high-severity vulnerability, CVE-2024-21909, discovered in PeterO.Cbor versions 4.0.0 to 4.5.0. The vulnerability can be exploited by attackers to trigger a Denial of Service (DoS) condition, potentially compromising systems or leading to data leakage. Due to the widespread usage of this library, it poses a significant risk to numerous systems and applications.

Vulnerability Summary

CVE ID: CVE-2024-21909
Severity: High (CVSS: 7.5)
Attack Vector: Network
Privileges Required: None
User Interaction: None
Impact: System compromise and potential data leakage

Affected Products

Product | Affected Versions

PeterO.Cbor | 4.0.0 through 4.5.0

How the Exploit Works

The exploit works by an attacker providing crafted data to the DecodeFromBytes or other decoding mechanisms in the PeterO.Cbor library. This data can trigger a Denial of Service (DoS) condition, potentially causing a system crash or compromise. As the library does not require authentication, the attacker can be remote and unauthenticated.

Conceptual Example Code

A conceptual example of exploiting this vulnerability might look like this. Please note that this is a simplified representation of an attack and actual malicious payloads would be more complex.

POST /decodeFromBytes HTTP/1.1
Host: vulnerable-site.com
Content-Type: application/cbor
{ "malicious_data": "<crafted_data>" }

In this example, `` represents data specifically designed to trigger the vulnerability in the PeterO.Cbor library, causing a DoS condition.

Mitigation

It is highly recommended to apply the vendor patch as soon as possible. If immediate patching is not possible, implementing a Web Application Firewall (WAF) or Intrusion Detection System (IDS) can serve as a temporary mitigation strategy. These systems can be configured to detect and block malicious payloads that aim to exploit this vulnerability.