| Name | CVE-2020-12278 |
| Description | An issue was discovered in libgit2 before 0.28.4 and 0.9x before 0.99.0. path.c mishandles equivalent filenames that exist because of NTFS Alternate Data Streams. This may allow remote code execution when cloning a repository. This issue is similar to CVE-2019-1352. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | DLA-2936-1, DLA-3340-1 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| libgit2 (PTS) | bullseye (security), bullseye | 1.1.0+dfsg.1-4+deb11u2 | fixed |
| bookworm, bookworm (security) | 1.5.1+ds-1+deb12u1 | fixed |
| sid, trixie | 1.8.4+ds-3 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| libgit2 | source | stretch | 0.25.1+really0.24.6-1+deb9u1 | | DLA-2936-1 | |
| libgit2 | source | buster | 0.27.7+dfsg.1-0.2+deb10u1 | | DLA-3340-1 | |
| libgit2 | source | (unstable) | 0.28.4+dfsg.1-2 | | | |
Notes
[jessie] - libgit2 <no-dsa> (Minor issue; only problematic when used on NTFS like filesystem)
https://github.com/libgit2/libgit2/commit/3f7851eadca36a99627ad78cbe56a40d3776ed01
https://github.com/libgit2/libgit2/commit/e1832eb20a7089f6383cfce474f213157f5300cb