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Fencer Vulns
high 8.8

CVE-2017-8386 in the critical feed json

git-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…

published 2017-06-01 9 y ago modified 2026-06-17 4 mo ago also EUVD-2017-17339

cvss
8.8
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
12.4%
EPSS 12.4% chance of exploitation in 30 days, percentile 96%
public exploits
0
none known

Summary

git-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.

Patch / fix

  • git Debian 14, Debian 13, Debian 12 1:2.11.0-3

debian advisories DEBIAN-CVE-2017-8386

  • git Ubuntu 14.04 LTS 1:1.9.1-1ubuntu0.5
  • git Ubuntu 16.04 LTS 1:2.7.4-0ubuntu1.1

ubuntu advisories UBUNTU-CVE-2017-8386

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • git RHEL 7 1.8.3.1-11.el7
  • gitk RHEL 7 1.8.3.1-11.el7
  • git-hg RHEL 7 1.8.3.1-11.el7
  • git-p4 RHEL 7 1.8.3.1-11.el7
  • gitweb RHEL 7 1.8.3.1-11.el7
  • git-all RHEL 7 1.8.3.1-11.el7
  • git-bzr RHEL 7 1.8.3.1-11.el7
  • git-cvs RHEL 7 1.8.3.1-11.el7

red hat advisories RHSA-2017:2004RHSA-2017:2491

  • git Studio Onsite 1.3, SLE Software Development Kit 11 SP4 1.7.12.4-0.17.1
  • git SLES for SAP 12 SP2, SLES for SAP 12 SP1, SLES for Raspberry Pi 12 SP2 +4 more 2.12.3-26.1

suse advisories SUSE-SU-2017:1432-1SUSE-SU-2017:1357-1

  • git openSUSE Tumbleweed 2.33.0-1.3

opensuse advisories openSUSE-SU-2024:10786-1

  • git Alpine 3.3 2.6.7-r0

alpine advisories ALPINE-CVE-2017-8386

Alpine secdb © Alpine Linux, from https://secdb.alpinelinux.org via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • git Arch Linux 2.13.0-1

arch linux advisories AVG-267

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2017-8386 updated cvss 5.0

git: Escape out of git-shell

  • Red Hat Enterprise Linux 6 git, gitk, gitweb, git-all, git-cvs, git-gui, +6 more
    affected: no fix planned “Will not fix”
  • Red Hat Enterprise Linux Client Optional (v. 7) git 1.8.3.1-11.el7, gitk 1.8.3.1-11.el7, git-hg 1.8.3.1-11.el7, git-p4 1.8.3.1-11.el7, gitweb 1.8.3.1-11.el7, git-all 1.8.3.1-11.el7, +10 more Red Hat Enterprise Linux ComputeNode Optional (v. 7) git 1.8.3.1-11.el7, gitk 1.8.3.1-11.el7, git-hg 1.8.3.1-11.el7, git-p4 1.8.3.1-11.el7, gitweb 1.8.3.1-11.el7, git-all 1.8.3.1-11.el7, +10 more Red Hat Enterprise Linux Server (v. 7) git 1.8.3.1-11.el7, perl-Git 1.8.3.1-11.el7 Red Hat Enterprise Linux Server Optional (v. 7) gitk 1.8.3.1-11.el7, git-hg 1.8.3.1-11.el7, git-p4 1.8.3.1-11.el7, gitweb 1.8.3.1-11.el7, git-all 1.8.3.1-11.el7, git-bzr 1.8.3.1-11.el7, +8 more Red Hat Enterprise Linux Workstation (v. 7) git 1.8.3.1-11.el7, perl-Git 1.8.3.1-11.el7 Red Hat Enterprise Linux Workstation Optional (v. 7) gitk 1.8.3.1-11.el7, git-hg 1.8.3.1-11.el7, git-p4 1.8.3.1-11.el7, gitweb 1.8.3.1-11.el7, git-all 1.8.3.1-11.el7, git-bzr 1.8.3.1-11.el7, +8 more
    fixed: vendor fix RHSA-2017:2004
  • Red Hat Software Collections for Red Hat Enterprise Linux Server (v. 6) rh-git29-git 2.9.3-3.el6, rh-git29-gitk 2.9.3-3.el6, rh-git29-git-p4 2.9.3-3.el6, rh-git29-gitweb 2.9.3-3.el6, rh-git29-git-all 2.9.3-3.el6, rh-git29-git-cvs 2.9.3-3.el6, +9 more Red Hat Software Collections for Red Hat Enterprise Linux Server (v. 7) rh-git29-git 2.9.3-3.el7, rh-git29-gitk 2.9.3-3.el7, rh-git29-git-p4 2.9.3-3.el7, rh-git29-gitweb 2.9.3-3.el7, rh-git29-git-all 2.9.3-3.el7, rh-git29-git-cvs 2.9.3-3.el7, +7 more Red Hat Software Collections for Red Hat Enterprise Linux Workstation (v. 6) rh-git29-git 2.9.3-3.el6, rh-git29-gitk 2.9.3-3.el6, rh-git29-git-p4 2.9.3-3.el6, rh-git29-gitweb 2.9.3-3.el6, rh-git29-git-all 2.9.3-3.el6, rh-git29-git-cvs 2.9.3-3.el6, +9 more Red Hat Software Collections for Red Hat Enterprise Linux Workstation (v. 7) rh-git29-git 2.9.3-3.el7, rh-git29-gitk 2.9.3-3.el7, rh-git29-git-p4 2.9.3-3.el7, rh-git29-gitweb 2.9.3-3.el7, rh-git29-git-all 2.9.3-3.el7, rh-git29-git-cvs 2.9.3-3.el7, +7 more
    fixed: vendor fix RHSA-2017:2491

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

12.39% chance of exploitation in the next 30 days, higher than 96% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • ubuntu.com http://www.ubuntu.com/usn/USN-3287-1 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.0 8.8 CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 6.5 AV:N/AC:L/Au:S/C:P/I:P/A:P

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.