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CVE-2020-12279

Published: 27 April 2020

An issue was discovered in libgit2 before 0.28.4 and 0.9x before 0.99.0. checkout.c mishandles equivalent filenames that exist because of NTFS short names. This may allow remote code execution when cloning a repository. This issue is similar to CVE-2019-1353.

Priority

Medium

Cvss 3 Severity Score

9.8

Score breakdown

Status

Package Release Status
libgit2
Launchpad, Ubuntu, Debian
focal Not vulnerable
(0.28.4+dfsg.1-2)
groovy Ignored
(end of life)
kinetic Ignored
(end of life, was needs-triage)
hirsute Ignored
(end of life)
jammy Not vulnerable
(1.1.0+dfsg.1-4.1build1)
lunar Not vulnerable

impish Ignored
(end of life)
bionic
Released (0.26.0+dfsg.1-1.1ubuntu0.2+esm1)
Available with Ubuntu Pro
eoan Ignored
(end of life)
trusty Needed

upstream
Released (0.28.4,0.99.0)
mantic Not vulnerable

xenial
Released (0.24.1-2ubuntu0.2+esm2)
Available with Ubuntu Pro
Patches:
upstream: https://github.com/libgit2/libgit2/commit/64c612cc3e25eff5fb02c59ef5a66ba7a14751e4

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