SB2020050627 - Arch Linux update for a2ps
Published: May 6, 2020
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 2 vulnerabilities.
1) OS Command Injection (CVE-ID: CVE-2014-0466)
The vulnerability allows a remote attacker to execute arbitrary shell commands on the target system.
The vulnerability exists due to improper input validation when processing PostScript files due to fixps scrip in GNU a2ps does not use the -dSAFER option when executing gs. A remote unauthenticated attacker can trick the victim to open a specially crafted PostScript file and delete arbitrary files or execute arbitrary OS commands on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
2) Format string error (CVE-ID: CVE-2015-8107)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a format string error in GNU a2ps. A remote attacker can supply a specially crafted input that contains format string specifiers and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Remediation
Install update from vendor's website.