CVE-2017-17831

Name: CVE-2017-17831
Creator: NVD / NIST
Published: 2017-12-21T06:29:00.243+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 3.68%

Last modified Jun 17, 2026

CVE-2017-17831 is a vulnerability of currently unknown severity. GitHub Git LFS before 2.1.1 allows remote attackers to execute arbitrary commands via an ssh URL with an initial dash character in the hostname, located on a "url =" line in a .lfsconfig file within a repository.. EPSS estimates a 3.68% chance of exploitation in the next 30 days.

Description

GitHub Git LFS before 2.1.1 allows remote attackers to execute arbitrary commands via an ssh URL with an initial dash character in the hostname, located on a "url =" line in a .lfsconfig file within a repository.

Metrics

EPSS Probability

3.68%

88.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-20

Affected Software

Vendor	Product	Versions
Git Large File Storage Project	Git Large File Storage	< 2.1.1

References

http://blog.recurity-labs.com/2017-08-10/scm-vulnsExploit, Third Party Advisory
http://www.securityfocus.com/bid/102926Third Party Advisory, VDB Entry
https://confluence.atlassian.com/sourcetreekb/sourcetree-security-advisory-2018-01-24-942834324.htmlThird Party Advisory
https://github.com/git-lfs/git-lfs/pull/2242Patch, Third Party Advisory
https://github.com/git-lfs/git-lfs/releases/tag/v2.1.1Release Notes, Third Party Advisory
http://blog.recurity-labs.com/2017-08-10/scm-vulnsExploit, Third Party Advisory
http://www.securityfocus.com/bid/102926Third Party Advisory, VDB Entry
https://confluence.atlassian.com/sourcetreekb/sourcetree-security-advisory-2018-01-24-942834324.htmlThird Party Advisory
https://github.com/git-lfs/git-lfs/pull/2242Patch, Third Party Advisory
https://github.com/git-lfs/git-lfs/releases/tag/v2.1.1Release Notes, Third Party Advisory

Timeline

Published: Dec 21, 2017
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2017-17831?

How severe is CVE-2017-17831?

Severity scoring for CVE-2017-17831 is pending analysis. The EPSS model estimates a 3.68% probability of exploitation in the next 30 days.

How do I fix CVE-2017-17831?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2017-17831?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST