🛡️ CVE-2017-17831 — git-lfs

🟠 CVSS 8.0 — High ✅ No Known Exploit CWE-20 OSV
8.0
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

GitHub Git LFS Arbitrary command execution vulnerability

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.

Specific Go Packages Affected

github.com/git-lfs/git-lfs/lfsapi

How this vulnerability can be exploited

This issue can be reached over the network, attack complexity is low, an attacker needs no privileges on the target. A user must be tricked into taking some action. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality high, integrity high, availability high.

Weakness class

CVE-2017-17831 is classified as CWE-20: Improper Input Validation. The application accepts input without checking that it has the expected form, so malformed values reach code that assumes they are well formed.

Affected software

CVE-2017-17831 is recorded against 1 package.

  • github.com/git-lfs/git-lfs

Timeline and source

Published on 14 May 2022 and last revised on 20 May 2024. No public exploit is currently recorded for this entry. Record sourced from OSV.

References

nvd.nist.gov (Advisory)
github.com (Web)
github.com (Web)
github.com (Web)
confluence.atlassian.com (Web)
github.com (Package)
github.com (Web)
pkg.go.dev (Web)
web.archive.org (Web)
blog.recurity-labs.com (Web)
www.securityfocus.com (Web)

Details

Severity HIGH
CVSS Score 8.0
CVSS Vector CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CWE CWE-20
Public Exploit ✅ No
Source OSV
Published 2022-05-14
Updated 2026-08-12
Modified 2024-05-20
Fix URL N/A

Affected Packages

Software From version Fixed in
github.com/git-lfs/git-lfs — —

Similar Threats

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