CVE-2017-8386

NameCVE-2017-8386
Descriptiongit-shell in git before 2.4.12, 2.5.x before 2.5.6, 2.6.x before 2.6.7, 2.7.x before 2.7.5, 2.8.x before 2.8.5, 2.9.x before 2.9.4, 2.10.x before 2.10.3, 2.11.x before 2.11.2, and 2.12.x before 2.12.3 might allow remote authenticated users to gain privileges via a repository name that starts with a - (dash) character.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)
ReferencesDLA-938-1, DSA-3848-1
NVD severitymedium (attack range: remote)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
git (PTS)jessie1:2.1.4-2.1+deb8u6fixed
jessie (security)1:2.1.4-2.1+deb8u7fixed
stretch (security), stretch1:2.11.0-3+deb9u4fixed
buster, sid1:2.19.1-1fixed

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
gitsource(unstable)1:2.11.0-3medium
gitsourcejessie1:2.1.4-2.1+deb8u3mediumDSA-3848-1
gitsourcewheezy1:1.7.10.4-1+wheezy4mediumDLA-938-1

Notes

http://lkml.iu.edu/hypermail/linux/kernel/1705.1/01337.html
http://lkml.iu.edu/hypermail/linux/kernel/1705.1/01346.html
https://insinuator.net/2017/05/git-shell-bypass-by-abusing-less-cve-2017-8386/
https://git.kernel.org/pub/scm/git/git.git/commit/?id=3ec804490a265f4c418a321428c12f3f18b7eff5

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