Improper Input Validation The advisory has been revoked - it doesn't affect any version of package git-lfs (opens in a new tab)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-UBUNTU1810-GITLFS-617032
- published10 Sept 2020
- disclosed21 Dec 2017
Introduced: 21 Dec 2017
CVE-2017-17831 (opens in a new tab)Amendment
The Ubuntu security team deemed this advisory irrelevant for Ubuntu:18.10.
NVD Description
Note: Versions mentioned in the description apply only to the upstream git-lfs package and not the git-lfs package as distributed by Ubuntu.
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.
References
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2017-17831
- http://www.securityfocus.com/bid/102926
- https://confluence.atlassian.com/sourcetreekb/sourcetree-security-advisory-2018-01-24-942834324.html
- http://blog.recurity-labs.com/2017-08-10/scm-vulns
- https://github.com/git-lfs/git-lfs/pull/2242
- https://github.com/git-lfs/git-lfs/releases/tag/v2.1.1