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CVE-2019-6991

Published: 28 January 2019

A classic Stack-based buffer overflow exists in the zmLoadUser() function in zm_user.cpp of the zmu binary in ZoneMinder through 1.32.3, allowing an unauthenticated attacker to execute code via a long username.

Notes

AuthorNote
seth-arnold
the patch I saw looked like it introduced a memory leak
ccdm94
commit 6d7660cd fixes the memory leak

Priority

Medium

Cvss 3 Severity Score

9.8

Score breakdown

Status

Package Release Status
zoneminder
Launchpad, Ubuntu, Debian
groovy Not vulnerable
(1.32.3-2)
bionic Does not exist

cosmic Ignored
(end of life)
disco
Released (1.32.3-2)
eoan Not vulnerable
(1.32.3-2)
focal Not vulnerable
(1.32.3-2)
hirsute Not vulnerable
(1.32.3-2)
impish Not vulnerable
(1.32.3-2)
jammy Not vulnerable
(1.32.3-2)
trusty Does not exist
(trusty was needs-triage)
upstream
Released (1.32.3-2, 1.34.0)
xenial
Released (1.29.0+dfsg-1ubuntu2+esm1)
Available with Ubuntu Pro
Patches:
upstream: https://github.com/SteveGilvarry/ZoneMinder/commit/a81e7c522190928e2a960363aed3a709a73316b6
upstream: https://github.com/SteveGilvarry/ZoneMinder/commit/6d7660cdbd4b3c43315834640ae06cfc17b0ee0e

Severity score breakdown

Parameter Value
Base score 9.8
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H