Input validation error in gitolite - CVE-2018-20683
Published: January 10, 2019 / Updated: July 17, 2020
Vulnerability identifier: #VU31169
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2018-20683
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: sitaramc (Sitaram Chamarty)
Affected software:
gitolite
gitolite
Detailed vulnerability description
The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.
commands/rsync in Gitolite before 3.6.11, if .gitolite.rc enables rsync, mishandles the rsync command line, which allows attackers to have a "bad" impact by triggering use of an option other than -v, -n, -q, or -P.
How to mitigate CVE-2018-20683
Install update from vendor's website.