Stack-based buffer overflow in Xymon - CVE-2019-13455

 

Stack-based buffer overflow in Xymon - CVE-2019-13455

Published: September 12, 2019


Vulnerability identifier: #VU21084
CSH Severity: High
CVSS v4: 9.3 [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]
CVE-ID: CVE-2019-13455
CWE-ID: CWE-121
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error in the alert acknowledgment CGI tool because of expansion in "acknowledge.c". A remote unauthenticated attacker can trigger stack-based buffer overflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


Affected software

Xymon

How to mitigate CVE-2019-13455

Install updates from vendor's website.

Xymon - update to 4.3.29

External References

Related Security Bulletins