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A vulnerability in Keylime before 6.3.0 allows an attacker to craft a request to the agent that resets the U and V keys as if the agent were being re-added to a verifier. This could lead to a remote code execution.

CVE-2021-43310 is a critical security vulnerability identified in Keylime, an open-source remote attestation framework designed to ensure the integrity of cloud and edge computing environments. The vulnerability exists in versions of Keylime prior to 6.3.0 and is classified under CWE-290, which relates to improper authentication. Specifically, the flaw allows an unauthenticated remote attacker to craft a specially designed request to the Keylime agent that triggers the reset of cryptographic keys (U and V keys) as if the agent were being re-added to a verifier. This improper handling of authentication and key management can lead to remote code execution (RCE) on the agent host. The CVSS v3.1 base score of 9.8 reflects the critical nature of this vulnerability, highlighting that it can be exploited over the network without any privileges or user interaction, and results in complete compromise of confidentiality, integrity, and availability of the affected system. The vulnerability stems from the agent accepting key reset requests without proper authentication checks, allowing attackers to manipulate the agent's state and execute arbitrary code remotely. Although no known exploits have been reported in the wild, the potential impact is severe given the critical role Keylime plays in securing cloud infrastructure and edge devices. The vulnerability was publicly disclosed on September 21, 2022, and fixed in Keylime version 6.3.0, which implements proper authentication mechanisms to prevent unauthorized key resets.

Detailed information about CVE-2021-43310: CWE-290 in keylime affecting n/a keylime. Get real-time updates, technical details, and mitigation strategies.

CVE-2021-43310: CWE-290 in keylime - Live Threat Intelligence - Threat Radar | OffSeq.com

CVE-2021-43310: CWE-290 in keylime

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