CVE-2019-13455 Information

Description

In Xymon through 4.3.28 a stack-based buffer overflow vulnerability exists in the alert acknowledgment CGI tool because of   expansion in acknowledge.c.

CVSS Vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Reference

https://github.com/svn2github/xymon/blob/master/branches/4.3.28/web/acknowledge.c https://lists.debian.org/debian-lts-announce/2019/08/msg00032.html https://lists.xymon.com/archive/2019-July/046570.html

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

9.8