UNIX symbolic link following in Opensuse and exim (OpenSUSE package) - CVE-2020-8015
Published: April 10, 2020
Vulnerability identifier: #VU26755
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-2020-8015
CWE-ID: CWE-61
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a symlink following issue within the packaging of exim in openSUSE. A local user can create a specially crafted symbolic link to a critical file on the system and escalate privileges from mail to root.
Affected software
Opensuse
exim (OpenSUSE package)
exim (OpenSUSE package)
How to mitigate CVE-2020-8015
Install updates from vendor's website.
exim (OpenSUSE package) - update to 4.88-lp151.4.12.1