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CVE-2017-8386

34
FAUCET Score

CVE-2017-8386 describes a privilege escalation vulnerability in git-shell, affecting various Git versions and distributions like Canonical, Debian, and Fedora. An authenticated remote attacker can exploit this by providing a repository name starting with a dash, leading to high impact on confidentiality, integrity, and availability. Despite its high CVSS score of 8.8 and high EPSS, there is no evidence of active exploitation, public exploit code, or significant community discussion.

Impacted Technologies

VendorProductVersion(s)CPE
Range not provided by sourceCPE matchmatch criteria
cpe:2.3:a:git:git-shell:-:*:*:*:*:*:*:*
42.1CPE matchmatch criteria
cpe:2.3:o:opensuse:leap:42.1:*:*:*:*:*:*:*
8.0CPE matchmatch criteria
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
14.04CPE matchmatch criteria
cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*
16.04CPE matchmatch criteria
cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*

CVSS Data

CVSS version used by this source: 3.0

8.8HIGH

CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
2.8
Impact Score
5.9
CvssVersion
3.0

Exploit Intelligence

EPSS Score
12.39%
Probability of exploitation in next 30 days
EPSS Percentile
95.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
This CVE's current EPSS score of 0.1239 is in the 95th percentile among its peer group of 17,808 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.3 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (4)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: git-0:1.8.3.1-11.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Software Collections for Red Hat Enterprise Linux 6Fixed in: rh-git29-git-0:2.9.3-3.el6
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Software Collections for Red Hat Enterprise Linux 7Fixed in: rh-git29-git-0:2.9.3-3.el7
View patch
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: git

Vendor Advisories (1)

redhatCVE-2017-8386Moderate

git: Escape out of git-shell

May 5, 2017

References

lists.opensuse.org / opensuse-updates/2017-05/msg00090.html
Mailing ListThird Party Advisory
public-inbox.org / git/xmqq8tm5ziat.fsf%40gitster.mtv.corp.google.com
access.redhat.com / errata/RHSA-2017:2004
access.redhat.com / errata/RHSA-2017:2491
insinuator.net / 2017/05/git-shell-bypass-by-abusing-less-cve-2017-8386
MitigationThird Party Advisory
kernel.googlesource.com / pub/scm/git/git/+/3ec804490a265f4c418a321428c12f3f18b7eff5
Third Party Advisory
lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/3ISHYFLM2ACYHHY3JHCLF75X7UF4ZMDM
lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/DPYRN7APMHY4ZFDPAKD22J5R4QJFY2JP
lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/FDS3LSJJ3YGGQYIVPKQDVOCXWDSF6JGF
security.gentoo.org / glsa/201706-04
debian.org / security/2017/dsa-3848
Third Party AdvisoryVDB Entry
securityfocus.com / bid/98409
Third Party AdvisoryVDB Entry
securitytracker.com / id/1038479
Third Party Advisory
ubuntu.com / usn/USN-3287-1
ExploitThird Party Advisory