CVE-2017-12976

8.8 HIGH
Published: August 20, 2017 Modified: May 13, 2026
View on NVD

Description

git-annex before 6.20170818 allows remote attackers to execute arbitrary commands via an ssh URL with an initial dash character in the hostname, as demonstrated by an ssh://-eProxyCommand= URL, a related issue to CVE-2017-9800, CVE-2017-12836, CVE-2017-1000116, and CVE-2017-1000117.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
http://source.git-annex.branchable.com/?p=source.git%3Ba=blob%3Bf=doc/bugs/dashed_ssh_hostname_security_hole.mdwn
Source: cve@mitre.org
http://source.git-annex.branchable.com/?p=source.git%3Ba=commit%3Bh=c24d0f0e8984576654e2be149005bc884fe0403a
Source: cve@mitre.org
http://source.git-annex.branchable.com/?p=source.git%3Ba=commit%3Bh=df11e54788b254efebb4898b474de11ae8d3b471
Source: cve@mitre.org
http://www.debian.org/security/2017/dsa-4010
Source: cve@mitre.org
https://lists.debian.org/debian-lts-announce/2018/09/msg00004.html
Source: cve@mitre.org
http://source.git-annex.branchable.com/?p=source.git%3Ba=blob%3Bf=doc/bugs/dashed_ssh_hostname_security_hole.mdwn
Source: af854a3a-2127-422b-91ae-364da2661108
http://source.git-annex.branchable.com/?p=source.git%3Ba=commit%3Bh=c24d0f0e8984576654e2be149005bc884fe0403a
Source: af854a3a-2127-422b-91ae-364da2661108
http://source.git-annex.branchable.com/?p=source.git%3Ba=commit%3Bh=df11e54788b254efebb4898b474de11ae8d3b471
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.debian.org/security/2017/dsa-4010
Source: af854a3a-2127-422b-91ae-364da2661108
https://lists.debian.org/debian-lts-announce/2018/09/msg00004.html
Source: af854a3a-2127-422b-91ae-364da2661108

10 reference(s) from NVD

Quick Stats

CVSS v3 Score
8.8 / 10.0
EPSS (Exploit Probability)
2.7%
84th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

CWE-20

Affected Vendors

git-annex_project

Related CVEs

CVE-2026-12243 7.5
CVE-2026-8023 7.5
CVE-2026-7656 8.1
CVE-2026-51219 N/A
CVE-2026-51218 N/A