Stack-based buffer overflow in Xymon - CVE-2019-13486
Published: September 12, 2019
Vulnerability identifier: #VU21082
CSH Severity: High
CVSSv4.0: 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-2019-13486
CWE-ID: CWE-121
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Xymon
Xymon
Software vendor:
GNU
GNU
Description
The vulnerability allows a remote attacker to access or modify data, or cause a denial of service (DoS) condition on an affected system.
The vulnerability exists in the status-log viewer component due to a boundary error in the "svcstatus.c" file because the software does not properly validate user-supplied input. A remote unauthenticated attacker can submit malicious input, trigger stack-based buffer overflow and access or modify data, or cause a DoS condition on the affected system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Remediation
Install updates from vendor's website.