CVE-2024-52005
Git vulnerability analysis and mitigation

Overview

Git is a source code management tool affected by a vulnerability (CVE-2024-52005) discovered on January 15, 2025. When cloning, fetching, or pushing from a server, informational or error messages are transported via the sideband channel and printed directly to the standard error output without proper filtering of ANSI escape sequences. This vulnerability affects multiple versions of Git including versions 2.48.1 or below, 2.47.1 or below, and earlier versions (GitHub Advisory).

Technical details

The vulnerability stems from Git's handling of sideband channel messages, which are prefixed with 'remote:' and printed directly to the standard error output. The standard error output is typically connected to a terminal that understands ANSI escape sequences, but Git failed to implement proper protection against these sequences. The vulnerability has been assigned a CVSS v4.0 base score of 7.5 (High), with the vector string CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N (GitHub Advisory, Snyk).

Impact

Most modern terminals support control sequences that can be exploited by malicious actors to hide and misrepresent information or mislead users into executing untrusted scripts. This vulnerability could lead to potential manipulation of displayed information and possible execution of unauthorized commands (GitHub Advisory).

Mitigation and workarounds

Users are advised to update to the latest version as soon as possible. For those unable to upgrade immediately, it is recommended to avoid recursive clones unless they are from trusted sources. The patches are under discussion on the git-security mailing list (GitHub Advisory, Git Mailing List).

Additional resources


SourceThis report was generated using AI

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