CVE-2021-21300

CWE-599 documents9 sources
Severity
7.5HIGH
EPSS
61.9%
top 1.66%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
5
Apple XcodeGit-scm GITGIT GIT+2 more
Timeline
PublishedMar 9
Latest updateNov 30

Description

Git is an open-source distributed revision control system. In affected versions of Git a specially crafted repository that contains symbolic links as well as files using a clean/smudge filter such as Git LFS, may cause just-checked out script to be executed while cloning onto a case-insensitive file system such as NTFS, HFS+ or APFS (i.e. the default file systems on Windows and macOS). Note that clean/smudge filters have to be configured for that. Git for Windows configures Git LFS by default, a…

CVSS vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:NExploitability: 1.6 | Impact: 5.8

Affected Packages4 packages

▶NVDapple/xcode< 12.5
▶NVDgit-scm/git2.17.0 — 2.17.6+14
▶Debiangit< 1:2.30.2-1+3
▶CVEListV5git/git14 versions+13

Also affects: Debian Linux 10.0, Fedora 32, 33, 34

Patches

Patch: github.com ↗Patch: github.com ↗

🔴Vulnerability Details

2
OSV
CVE-2021-21300: Git is an open-source distributed revision control system↗2021-03-09
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CVEList
malicious repositories can execute remote code while cloning↗2021-03-09
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📋Vendor Advisories

4
Microsoft
Git for Visual Studio Remote Code Execution Vulnerability↗2021-03-09
▶
Red Hat
git: remote code execution during clone operation on case-insensitive filesystems↗2021-03-09
▶
Ubuntu
Git vulnerability↗2021-03-09
▶
Debian
CVE-2021-21300: git - Git is an open-source distributed revision control system. In affected versions ...↗2021
▶

📄Research Papers

1
arXiv
Unsafe at Any Copy: Name Collisions from Mixing Case Sensitivities↗2022-11-30
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CVE-2021-21300 (HIGH CVSS 7.5) | Git is an open-source distributed r | cvebase.io