SB2019102008 - Buffer overflow in rsyslog (Alpine package)
Published: October 20, 2019
Security Bulletin ID
SB2019102008
Severity
High
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Buffer overflow (CVE-ID: CVE-2019-17042)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists in "contrib/pmcisconames/pmcisconames.c" due to a boundary error in the parser for Cisco log messages. A remote attacker can trigger memory corruption 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.
References
- https://git.alpinelinux.org/aports/commit/?id=fcb7841366f861335c201a73adc3e201d709fbb2
- https://git.alpinelinux.org/aports/commit/?id=0a0e63bb3836aa43c24b2985a921882852992977
- https://git.alpinelinux.org/aports/commit/?id=fb0705945971ff53797273dd8c262991529048a3
- https://git.alpinelinux.org/aports/commit/?id=44d4603afebae99966171e69bddc5dcfd2be3bf9
- https://git.alpinelinux.org/aports/commit/?id=7544d63c6aab6c75c1675f3eab478f28d6278f69
- https://git.alpinelinux.org/aports/commit/?id=8a52368e6a35515b79c35269568b95fdcf606b4f
- https://git.alpinelinux.org/aports/commit/?id=ba93705f698eb64a2519ba1380f83d9238db90e2