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osbuild-composer

A flaw was found in osbuild-composer. A condition can be triggered that disables GPG verification for package repositories, which can expose the build phase to a Man-in-the-Middle attack, allowing untrusted code to be installed into an image being built.

CVE-2024-2307 is a cryptographic signature verification vulnerability found in osbuild-composer, a tool used for building OS images. The flaw arises from a condition that can disable GPG verification of package repositories during the build phase. GPG verification is critical to ensure that packages come from trusted sources and have not been tampered with. When this verification is bypassed, an attacker positioned as a Man-in-the-Middle (MitM) can intercept and modify package data, injecting malicious code into the image under construction. This compromises the integrity and confidentiality of the build output, potentially leading to compromised systems when the image is deployed. Exploitation requires local access with high privileges and user interaction, which reduces the likelihood of remote automated attacks but does not eliminate risk in environments where multiple users or automated build systems operate. The vulnerability has a CVSS 3.1 base score of 6.1, indicating a medium severity with high impact on confidentiality and integrity, low impact on availability, low attack vector (local), low attack complexity, high privileges required, and user interaction needed. No public exploits are known at this time, and no patches have been linked yet. The vulnerability was assigned by Red Hat and published in March 2024.

Detailed information about CVE-2024-2307: Improper Verification of Cryptographic Signature. Get real-time updates, technical details, and mitigation strategies.

CVE-2024-2307: Improper Verification of Cryptographic Signature - Live Threat Intelligence - Threat Radar | OffSeq.com

CVE-2024-2307: Improper Verification of Cryptographic Signature

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