Division by zero - CVE-2018-20544

 

Division by zero - CVE-2018-20544

Published: December 28, 2018 / Updated: August 4, 2020


Vulnerability identifier: #VU33369
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2018-20544
CWE-ID: CWE-369
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.

There is floating point exception at caca/dither.c (function caca_dither_bitmap) in libcaca 0.99.beta19.


Affected software

libcaca (Alpine package)
Opensuse

How to mitigate CVE-2018-20544

Install update from vendor's website.

libcaca (Alpine package) - update to 0.99_beta19-r3

External References

Related Security Bulletins