SB2020041002 - Privilege escalation in exim packaging for OpenSUSE
Published: April 10, 2020
Security Bulletin ID
SB2020041002
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) UNIX symbolic link following (CVE-ID: CVE-2020-8015)
CWE-ID: CWE-61 - UNIX Symbolic Link (Symlink) Following
CVSSv4: 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/E:U/U:Clear
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.
Remediation
Install update from vendor's website.