CVE-2020-12279: 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…

PriorityP353critical9.8CVSS 3.1

AVNACLPRNUINSUCHIHAH

EPSS

5.09%

91.4th percentile

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.

Affected

11 ranges

Vendor	Product	Version range	Fixed in
debian	debian_linux	—	—
debian	libgit2	< libgit2 0.28.4+dfsg.1-2 (bookworm)	libgit2 0.28.4+dfsg.1-2 (bookworm)
libgit2	libgit2	< 0.28.4	0.28.4
libgit2	libgit2	>= 0 < 0.28.4+dfsg.1-2	0.28.4+dfsg.1-2
libgit2	libgit2	>= 0 < 0.28.4+dfsg.1-2	0.28.4+dfsg.1-2
libgit2	libgit2	>= 0 < 0.28.4+dfsg.1-2	0.28.4+dfsg.1-2
libgit2	libgit2	>= 0 < 0.28.4+dfsg.1-2	0.28.4+dfsg.1-2
libgit2	libgit2	>= 0 < 0.28.4+dfsg.1-2ubuntu0.1	0.28.4+dfsg.1-2ubuntu0.1
libgit2	libgit2	>= 0 < 1.1.0+dfsg.1-4.1ubuntu0.1	1.1.0+dfsg.1-4.1ubuntu0.1
libgit2	libgit2	>= 0 < 0.24.1-2ubuntu0.2+esm2	0.24.1-2ubuntu0.2+esm2
libgit2	libgit2	>= 0 < 0.26.0+dfsg.1-1.1ubuntu0.2+esm1	0.26.0+dfsg.1-1.1ubuntu0.2+esm1

CVSS provenance

nvdv3.19.8CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

nvdv2.07.5HIGHAV:N/AC:L/Au:N/C:P/I:P/A:P

osv9.8CRITICAL

vendor_debian9.8CRITICAL

vendor_redhat9.8CRITICAL

vendor_ubuntu9.8CRITICAL

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