libgit2 is vulnerable to a denial of service attack in `git_revparse_single`
概要
libgit2 is vulnerable to a denial of service attack in git_revparse_single
原文の説明
取得元が公開している説明をそのまま載せています (多くは英語)。
libgit2 is a portable C implementation of the Git core methods provided as a linkable library with a solid API, allowing to build Git functionality into your application. Using well-crafted inputs to git_revparse_single can cause the function to enter an infinite loop, potentially causing a Denial of Service attack in the calling application. The revparse function in src/libgit2/revparse.c uses a loop to parse the user-provided spec string. There is an edge-case during parsing that allows a bad actor to force the loop conditions to access arbitrary memory. Potentially, this could also leak memory if the extracted rev spec is reflected back to the attacker. As such, libgit2 versions before 1.4.0 are not affected. Users should upgrade to version 1.6.5 or 1.7.2.
出典: OSV.dev (Open Source Vulnerabilities) NVD GitHub Advisory OSV
ディストリビューション別の修正状況
各ディストリビューションが公開している、この CVE の修正パッケージ
- Debian DEBIAN-CVE-2024-24575 libgit2 修正版: 1.5.1+ds-1+deb12u1
参照URL
- advisory github.com
- advisory github.com
- advisory nvd.nist.gov
- patch github.com
- web github.com
- web github.com
- web lists.fedoraproject.org
- web lists.fedoraproject.org
- web lists.fedoraproject.org
- web lists.fedoraproject.org
- web lists.fedoraproject.org