Vulnerability in Git Git-Shell
CVE-2017-8386
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.124 (96.1th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 96th percentile — 96.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.124 · newest: 0.124 · change: 0.000
Affected products
- Git Git-Shell
- Canonical Ubuntu Linux — versions 14.04, 16.04, 16.10
- Debian Linux — versions 8.0
- Fedoraproject Fedora — versions 24, 25, 26
- openSUSE Leap — versions 42.1
Public proof-of-concept exploits
References
- public-inbox.org/git/xmqq8tm5ziat.fsf@gitster.mtv.corp.google.com/ (mailing-list)
- www.ubuntu.com/usn/USN-3287-1 (Exploit, vendor-advisory, Third Party Advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- security.gentoo.org/glsa/201706-04 (vendor-advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- insinuator.net/2017/05/git-shell-bypass-by-abusing-less-cve-2017-8386/ (Third Party Advisory, Mitigation)
- kernel.googlesource.com/pub/scm/git/git/+/3ec804490a265f4c418a321428c12f3f18b7e… (Third Party Advisory)
- www.securitytracker.com/id/1038479 (Third Party Advisory, vdb-entry)
- access.redhat.com/errata/RHSA-2017:2491 (vendor-advisory)
Frequently asked questions
- What is CVE-2017-8386?
- CVE-2017-8386 is a high-severity vulnerability in Git Git-Shell. CVSS score: 8.8/10. Published 2017-06-01.
- How severe is CVE-2017-8386?
- High severity. CVSS v3 base score is 8.8 out of 10.
- Is CVE-2017-8386 known to be exploited?
- 14 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.