Vulnerability CVE-2018-20546
Published: 2018-12-28

Description:
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.

Type:

CWE-190

 (Integer Overflow or Wraparound)

CVSS2 => (AV:N/AC:M/Au:N/C:P/I:N/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
5.8/10
4.9/10
8.6/10
Exploit range
Attack complexity
Authentication
Remote
Medium
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
None
Partial
Affected software
Libcaca project -> Libcaca 
Debian -> Debian linux 
Canonical -> Ubuntu linux 

 References:
http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00033.html
https://bugzilla.redhat.com/show_bug.cgi?id=1652622
https://lists.debian.org/debian-lts-announce/2019/01/msg00007.html
https://usn.ubuntu.com/3860-1/
https://usn.ubuntu.com/3860-2/
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