CVE-2020-12278

EUVD-2020-4591
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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
9.8 CRITICAL
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 89%
Affected Products (NVD)
VendorProductVersion
libgit2libgit2
𝑥
< 0.28.4
debiandebian_linux
9.0
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
libgit2
bookworm
1.5.1+ds-1+deb12u1
fixed
bookworm (security)
1.5.1+ds-1+deb12u1
fixed
bullseye
1.1.0+dfsg.1-4+deb11u2
fixed
bullseye (security)
1.1.0+dfsg.1-4+deb11u2
fixed
jessie
no-dsa
sid
1.8.4+ds-1
fixed
trixie
1.8.2~rc1+ds2-1
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
libgit2
bionic
Fixed 0.26.0+dfsg.1-1.1ubuntu0.2+esm1
released
eoan
ignored
focal
not-affected
groovy
ignored
hirsute
ignored
impish
ignored
jammy
not-affected
kinetic
ignored
lunar
not-affected
mantic
not-affected
noble
not-affected
trusty
needed
xenial
Fixed 0.24.1-2ubuntu0.2+esm2
released
Common Weakness Enumeration
References
https://github.com/git/git/security/advisories/GHSA-5wph-8frv-58vj
https://github.com/libgit2/libgit2/commit/3f7851eadca36a99627ad78cbe56a40d3776ed01
https://github.com/libgit2/libgit2/commit/e1832eb20a7089f6383cfce474f213157f5300cb
https://github.com/libgit2/libgit2/releases/tag/v0.28.4
https://github.com/libgit2/libgit2/releases/tag/v0.99.0
https://lists.debian.org/debian-lts-announce/2022/03/msg00031.html
https://lists.debian.org/debian-lts-announce/2023/02/msg00034.html
https://github.com/git/git/security/advisories/GHSA-5wph-8frv-58vj
https://github.com/libgit2/libgit2/commit/3f7851eadca36a99627ad78cbe56a40d3776ed01
https://github.com/libgit2/libgit2/commit/e1832eb20a7089f6383cfce474f213157f5300cb
https://github.com/libgit2/libgit2/releases/tag/v0.28.4
https://github.com/libgit2/libgit2/releases/tag/v0.99.0
https://lists.debian.org/debian-lts-announce/2022/03/msg00031.html
https://lists.debian.org/debian-lts-announce/2023/02/msg00034.html