Race condition in Sudo - CVE-2015-8239
Published: October 10, 2017 / Updated: August 8, 2020
Vulnerability identifier: #VU38129
CSH Severity: Low
CVSS v4: 7.3 [CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2015-8239
CWE-ID: CWE-362
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local authenticated user to execute arbitrary code.
The SHA-2 digest support in the sudoers plugin in sudo after 1.8.7 allows local users with write permissions to parts of the called command to replace them before it is executed.
Affected software
Sudo
Fedora
sudo
Fedora
sudo
How to mitigate CVE-2015-8239
Install update from vendor's website.
sudo - addressed in versions 1.8.17p1-1.fc22, 1.8.17p1-1.fc23