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CVE-2018-20547

Published: 28 December 2018

There is an illegal READ memory access at caca/dither.c (function get_rgba_default) in libcaca 0.99.beta19 for 24bpp data.

Priority

Low

Cvss 3 Severity Score

8.1

Score breakdown

Status

Package Release Status
libcaca
Launchpad, Ubuntu, Debian
upstream Needs triage

trusty
Released (0.99.beta18-1ubuntu5.1)
xenial
Released (0.99.beta19-2ubuntu0.16.04.1)
bionic
Released (0.99.beta19-2ubuntu0.18.04.1)
cosmic
Released (0.99.beta19-2ubuntu0.18.10.1)
Patches:
upstream: https://github.com/cacalabs/libcaca/commit/02a09ec9e5ed8981e7a810bfb6a0172dc24f0790

Severity score breakdown

Parameter Value
Base score 8.1
Attack vector Network
Attack complexity Low
Privileges required None
User interaction Required
Scope Unchanged
Confidentiality High
Integrity impact None
Availability impact High
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H