SB2018072438 - Privilege escalation in mutt (Alpine package)
Published: July 24, 2018
Security Bulletin ID
SB2018072438
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 security vulnerability.
1) Privilege escalation (CVE-ID: CVE-2018-14356)
The vulnerability allows a local attacker to gain elevated privileges on the target system.
The vulnerability exists due to improper handling of a zero-length unique identifier (UID) by the pop.c code. A local attacker can manipulate the UID value assigned to an email message and cause the service to crash or execute arbitrary code with elevated privileges.
Remediation
Install update from vendor's website.
References
- https://git.alpinelinux.org/aports/commit/?id=0d3886cdea880fe65aff164040ab54f9e2d5ee93
- https://git.alpinelinux.org/aports/commit/?id=7b76ef5a44a34f2aa0ab6dcbd05653a7f384d5cd
- https://git.alpinelinux.org/aports/commit/?id=8096bf545fbce05d5535cb01173187a08a4e7f14
- https://git.alpinelinux.org/aports/commit/?id=e16a7290cad51651c51b16468159e0bb5a11f234