Incorrect default permissions in Git - CVE-2019-1353
Published: December 12, 2019
Vulnerability identifier: #VU23555
CSH Severity: Low
CVSS v4: 4.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2019-1353
CWE-ID: CWE-276
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists to due none of the NTFS protections are active when accessing a working directory on a regular Windows drive. A local user with access to the system can view contents of files and directories or modify them.
Note: This vulnerability occurs when running Git in the Windows Subsystem for Linux (also known as "WSL").
Affected software
Git
Gentoo Linux
Opensuse
openEuler
Fedora
libgit2 (Alpine package)
libgit2-1.0 (Alpine package)
git (Alpine package)
git (Ubuntu package)
git (Debian package)
libgit2-devel
libgit2-debugsource
libgit2-debuginfo
libgit2
git
Gentoo Linux
Opensuse
openEuler
Fedora
libgit2 (Alpine package)
libgit2-1.0 (Alpine package)
git (Alpine package)
git (Ubuntu package)
git (Debian package)
libgit2-devel
libgit2-debugsource
libgit2-debuginfo
libgit2
git
How to mitigate CVE-2019-1353
Install updates from vendor's website.
Git - addressed in versions 2.14.6, 2.15.4, 2.16.6, 2.17.3, 2.18.2, 2.19.3, 2.20.2, 2.21.1, 2.22.2, 2.23.1, 2.24.1
libgit2 (Alpine package) - update to 0.28.4-r0
libgit2-1.0 (Alpine package) - update to 1.0.1-r1
git (Ubuntu package) - addressed in versions 1:2.7.4-0ubuntu1.7, 1:2.17.1-1ubuntu0.5, 1:2.20.1-2ubuntu1.19.04.1, 1:2.20.1-2ubuntu1.19.10.1
git (Debian package) - addressed in versions 1:2.11.0-3+deb9u5, 1:2.20.1-2+deb10u1
git (Alpine package) - addressed in versions 2.15.4-r0, 2.18.2-r0
libgit2-devel - update to 0.27.8-5
libgit2-debugsource - update to 0.27.8-5
libgit2-debuginfo - update to 0.27.8-5
libgit2 - update to 0.27.8-5
libgit2 - update to 0.28.4-1.fc31
git - addressed in versions 2.21.1-1.fc30, 2.24.1-1.fc31
libgit2 (Alpine package) - update to 0.28.4-r0
libgit2-1.0 (Alpine package) - update to 1.0.1-r1
git (Ubuntu package) - addressed in versions 1:2.7.4-0ubuntu1.7, 1:2.17.1-1ubuntu0.5, 1:2.20.1-2ubuntu1.19.04.1, 1:2.20.1-2ubuntu1.19.10.1
git (Debian package) - addressed in versions 1:2.11.0-3+deb9u5, 1:2.20.1-2+deb10u1
git (Alpine package) - addressed in versions 2.15.4-r0, 2.18.2-r0
libgit2-devel - update to 0.27.8-5
libgit2-debugsource - update to 0.27.8-5
libgit2-debuginfo - update to 0.27.8-5
libgit2 - update to 0.27.8-5
libgit2 - update to 0.28.4-1.fc31
git - addressed in versions 2.21.1-1.fc30, 2.24.1-1.fc31
External References
Related Security Bulletins
- Debian update for git
- Ubuntu update for Git
- Multiple vulnerabilities in Git
- OpenSUSE Linux update for git
- Gentoo update for Git
- OpenSUSE Linux update for git
- Incorrect default permissions in git (Alpine package)
- Incorrect default permissions in libgit2 (Alpine package)
- Incorrect default permissions in libgit2-1.0 (Alpine package)
- openEuler update for libgit2
- Fedora 30 update for git
- Fedora 31 update for git
- Fedora 31 update for libgit2