CVE-2017-17831: Input Validation
First published: Thu Dec 21 2017(Updated: )
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.
Credit: cve@mitre.org cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| go/github.com/git-lfs/git-lfs | <2.1.1-0.20170519163204-f913f5f9c7c6 | 2.1.1-0.20170519163204-f913f5f9c7c6 |
| Git Large File Storage | <2.1.1 |
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Reference Links
- https://nvd.nist.gov/vuln/detail/CVE-2017-17831
- https://github.com/git-lfs/git-lfs/pull/2242
- https://confluence.atlassian.com/sourcetreekb/sourcetree-security-advisory-2018-01-24-942834324.html
- https://github.com/git-lfs/git-lfs/releases/tag/v2.1.1
- http://blog.recurity-labs.com/2017-08-10/scm-vulns
- https://github.com/git-lfs/git-lfs/pull/2241
- https://github.com/git-lfs/git-lfs/commit/f913f5f9c7c6d1301785fdf9884a2942d59cdf19
- https://pkg.go.dev/vuln/GO-2021-0073
- https://web.archive.org/web/20200227131639/http://www.securityfocus.com/bid/102926
- http://www.securityfocus.com/bid/102926
- https://github.com/advisories/GHSA-w4xh-w33p-4v29 (Advisory)
Frequently Asked Questions
What is the severity of CVE-2017-17831?
CVE-2017-17831 is classified as a high-severity vulnerability, allowing for remote command execution.
How do I fix CVE-2017-17831?
To fix CVE-2017-17831, upgrade GitHub Git LFS to version 2.1.1 or later.
What systems are affected by CVE-2017-17831?
CVE-2017-17831 affects GitHub Git LFS versions prior to 2.1.1.
Can CVE-2017-17831 be exploited remotely?
Yes, CVE-2017-17831 can be exploited remotely through malicious SSH URLs in configuration files.
What are the consequences of CVE-2017-17831 exploitation?
Exploitation of CVE-2017-17831 can lead to the execution of arbitrary commands on the affected system.
- collector/github-advisory-latest
- alias/GHSA-w4xh-w33p-4v29
- alias/CVE-2017-17831
- collector/github-advisory
- agent/author
- agent/type
- agent/softwarecombine
- collector/mitre-cve
- source/MITRE
- agent/references
- agent/last-modified-date
- agent/weakness
- agent/severity
- agent/remedy
- agent/event
- agent/description
- agent/first-publish-date
- agent/trending
- agent/source
- agent/tags
- collector/nvd-cve
- agent/software-canonical-lookup-request
- collector/nvd-index
- package-manager/go
- vendor/git large file storage project
- canonical/git large file storage