CVE-2024-24577
Published: February 7, 2024Last modified: February 7, 2024
Description
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_index_add` can cause heap corruption that could be leveraged for arbitrary code execution. There is an issue in the `has_dir_name` function in `src/libgit2/index.c`, which frees an entry that should not be freed. The freed entry is later used and overwritten with potentially bad actor-controlled data leading to controlled heap corruption. Depending on the application that uses libgit2, this could lead to arbitrary code execution. This issue has been patched in version 1.6.5 and 1.7.2.
Severity score breakdown
Parameter | Value |
---|---|
Base score | 9.8 |
Attack Vector | NETWORK |
Attack complexity | LOW |
Privileges required | NONE |
User interaction | NONE |
Scope | UNCHANGED |
Confidentiality | HIGH |
Integrity impact | HIGH |
Availability impact | HIGH |
Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
Status
Product | Release | Package | Status |
---|---|---|---|
Alpaquita Linux | Stream | libgit2 | Fixed (1.7.2-r0) |
References
- https://github.com/libgit2/libgit2/releases/tag/v1.6.5
- https://github.com/libgit2/libgit2/releases/tag/v1.7.2
- https://github.com/libgit2/libgit2/security/advisories/GHSA-j2v7-4f6v-gpg8
- https://lists.debian.org/debian-lts-announce/2024/02/msg00012.html
- 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/S635BGHHZUMRPI7QOXOJ45QHDD5FFZ3S/
- https://lists.fedoraproject.org/archives/list/[email protected]/message/Z6MXOX7I43OWNN7R6M54XLG6U5RXY244/
- https://lists.fedoraproject.org/archives/list/[email protected]/message/ZGNHOEE2RBLH7KCJUPUNYG4CDTW4HTBT/