CVE-2024-24575
CVE-2024-24575 · libgit2 is vulnerable to a denial of service attack in `git_revparse_single`
Cette page présente des faits issus de sources publiques. Consultez l’avis original avant toute mise à jour.
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.
CVSS 7.5 · Élevée · EPSS 1,4% · Correctif disponible
- Publication
- Mise à jour
Pile logicielle: system
Produits et versions concernés
libgit2
- Versions du logiciel
- >= 1.4.0, < 1.6.5: Concernée
- >= 1.7.0, < 1.7.2: Concernée
Aucun correctif publié
libgit2 Debian:12
- Versions du logiciel
- 1.5.1+ds-1
- Plages de versions concernées
- ECOSYSTEM: < 1.5.1+ds-1+deb12u1
Mettez à jour vers 1.5.1+ds-1+deb12u1
libgit2 Debian:13
- Plages de versions concernées
- ECOSYSTEM: < 1.7.2+ds-1
Mettez à jour vers 1.7.2+ds-1
libgit2 Debian:14
- Plages de versions concernées
- ECOSYSTEM: < 1.7.2+ds-1
Mettez à jour vers 1.7.2+ds-1
Sources originales
- https://github.com/libgit2/libgit2/security/advisories/GHSA-54mf-x2rh-hq9v
- https://github.com/libgit2/libgit2/commit/add2dabb3c16aa49b33904dcdc07cd915efc12fa
- https://github.com/libgit2/libgit2/releases/tag/v1.6.5
- https://github.com/libgit2/libgit2/releases/tag/v1.7.2
- https://lists.fedoraproject.org/archives/list/[email protected]/message/S635BGHHZUMRPI7QOXOJ45QHDD5FFZ3S/
- https://lists.fedoraproject.org/archives/list/[email protected]/message/4M3P7WIEPXNRLBINQRJFXUSTNKBCHYC7/
- https://lists.fedoraproject.org/archives/list/[email protected]/message/7CNDW3PF6NHO7OXNM5GN6WSSGAMA7MZE/
- https://lists.fedoraproject.org/archives/list/[email protected]/message/Z6MXOX7I43OWNN7R6M54XLG6U5RXY244/
- https://lists.fedoraproject.org/archives/list/[email protected]/message/ZGNHOEE2RBLH7KCJUPUNYG4CDTW4HTBT/
- https://nvd.nist.gov/vuln/detail/CVE-2024-24575