Race condition in gitolite - CVE-2018-16976
Published: September 13, 2018 / Updated: July 17, 2020
Vulnerability identifier: #VU31212
CSH Severity: High
CVSS v4: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2018-16976
CWE-ID: CWE-362
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote authenticated user to read and manipulate data.
Gitolite before 3.6.9 does not (in certain configurations involving @all or a regex) properly restrict access to a Git repository that is in the process of being migrated until the full set of migration steps has been completed. This can allow valid users to obtain unintended access.
Affected software
gitolite
Amazon Linux AMI
Fedora
Opensuse
SUSE Linux
gitolite3
Amazon Linux AMI
Fedora
Opensuse
SUSE Linux
gitolite3
How to mitigate CVE-2018-16976
Install update from vendor's website.
gitolite - update to 3.6.9
gitolite3 - addressed in versions 3.6.9-1.el6, 3.6.9-1.el7, 3.6.9-1.fc27, 3.6.9-1.fc28, 3.6.9-1.fc29
gitolite3 - addressed in versions 3.6.9-1.el6, 3.6.9-1.el7, 3.6.9-1.fc27, 3.6.9-1.fc28, 3.6.9-1.fc29