Buffer overflow in rsyslog - CVE-2019-17042
Published: November 14, 2019
Vulnerability identifier: #VU22771
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2019-17042
CWE-ID: CWE-119
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: rsyslog.com
Affected software:
rsyslog
rsyslog
Detailed vulnerability description
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.
How to mitigate CVE-2019-17042
Install updates from vendor's website.