Overview
A recent CVE vulnerability termed as CVE-2025-49653 has been identified which exposes sensitive user data in active sessions of Lablup’s BackendAI. This vulnerability affects all the users of the BackendAI management platform and can lead to system compromise and data leakage if exploited. Given the high severity score of 8.0, this vulnerability is a matter of serious concern and mandates immediate attention and remediation.
Vulnerability Summary
CVE ID: CVE-2025-49653
Severity: High (8.0)
Attack Vector: Network
Privileges Required: Low
User Interaction: None
Impact: Potential system compromise and data leakage
Affected Products
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Product | Affected Versions
Lablup BackendAI | All versions prior to patch release
How the Exploit Works
The vulnerability CVE-2025-49653 in Lablup’s BackendAI can be exploited by attackers by manipulating the network protocols to gain unauthorized access to the user’s active sessions. By doing so, attackers can retrieve sensitive user credentials, which can then be used to compromise the system or leak data. The vulnerability is particularly dangerous as it requires low privileges and no user interaction, making it highly exploitable in real-world scenarios.
Conceptual Example Code
In a conceptual scenario, an attacker might send a malicious HTTP request to the exposed endpoint, such as:
GET /active_session_data HTTP/1.1
Host: target_backend.AI
Authorization: Bearer {attacker's_token}
In this example, the attacker uses their own token to authenticate the request, tricking the system into revealing sensitive data from active sessions. This data could potentially include credentials for users on the management platform, leading to escalated privileges, system compromise, or data leakage.
Mitigation Guidance
The prime mitigation strategy for this vulnerability is to apply the vendor patch as soon as it is available. Lablup is expected to be working on a solution to address this critical vulnerability, and it is recommended that all users apply the patch as soon as it is released.
In the interim, users can use a Web Application Firewall (WAF) or an Intrusion Detection System (IDS) to monitor and block suspicious network traffic, thereby reducing the chances of an exploit. However, these are temporary mitigations and do not offer a complete solution for the vulnerability.
In conclusion, CVE-2025-49653 is a critical vulnerability that requires immediate attention. It underscores the importance of regular patching and the use of security tools such as WAF and IDS in protecting sensitive data and maintaining system integrity.