SB2019112044 - Integer overflow in libcaca (Alpine package)



SB2019112044 - Integer overflow in libcaca (Alpine package)

Published: November 20, 2019

Security Bulletin ID SB2019112044
CSH Severity
High
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Denial of service

Breakdown by Severity

High 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Integer overflow (CVE-ID: CVE-2018-20546)

CWE-ID: CWE-190 - Integer overflow

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber


The vulnerability allows a remote non-authenticated attacker to #BASIC_IMPACT#.

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


Remediation

Install update from vendor's website.