Stack-based buffer overflow in Xymon - CVE-2019-13486
Published: September 12, 2019
Vulnerability identifier: #VU21082
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-2019-13486
CWE-ID: CWE-121
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
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.
Affected software
Xymon
Amazon Linux AMI
Arch Linux
Gentoo Linux
Red Hat Enterprise Linux for x86_64
Red Hat Enterprise Linux for IBM z Systems
Opensuse
Red Hat Enterprise Linux Server for x86_64 - Update Services for SAP Solutions
Amazon Linux AMI
Arch Linux
Gentoo Linux
Red Hat Enterprise Linux for x86_64
Red Hat Enterprise Linux for IBM z Systems
Opensuse
Red Hat Enterprise Linux Server for x86_64 - Update Services for SAP Solutions
How to mitigate CVE-2019-13486
Install updates from vendor's website.
Xymon - update to 4.3.29