Buffer overflow in Xymon - CVE-2019-13273

 

Buffer overflow in Xymon - CVE-2019-13273

Published: September 12, 2019


Vulnerability identifier: #VU21087
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-2019-13273
CWE-ID: CWE-119
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: GNU
Affected software:
Xymon

Detailed vulnerability description

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

The vulnerability exists due to a boundary error in the csvinfo CGI script A remote attacker can send a specially crafted GET request that triggers an sprintf of the "srcdb" parameter, 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-2019-13273

Install updates from vendor's website.

Sources