SB2019100722 - Multiple vulnerabilities in Rsyslog
Published: October 7, 2019 Updated: November 14, 2019
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 3 secuirty vulnerabilities.
1) Buffer overflow (CVE-ID: CVE-2019-17041)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists in "contrib/pmaixforwardedfrom/pmaixforwardedfrom.c" due to a boundary error in the parser for AIX 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.
2) Out-of-bounds read (CVE-ID: CVE-2019-17040)
The vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists in "contrib/pmdb2diag/pmdb2diag.c" due to a boundary condition when the level length is mishandled. A remote attacker can trigger out-of-bounds read error and read contents of memory on the system.
3) 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.