Input validation error in Git LFS - CVE-2020-27955
Published: November 5, 2020 / Updated: February 2, 2023
Vulnerability identifier: #VU48175
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:A/U:Amber
CVE-ID: CVE-2020-27955
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
Public exploit is available
Vendor: Git
Affected software:
Git LFS
Git LFS
Detailed vulnerability description
The vulnerability allows a remote user to compromise the affected system.
The vulnerability exists due to insufficient validation of files. A remote user can upload a specially crafted binary to the repository and execute arbitrary code on the system.
How to mitigate CVE-2020-27955
Install updates from vendor's website.