Integer overflow - CVE-2018-20545

 

Integer overflow - CVE-2018-20545

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


Vulnerability identifier: #VU33370
CSH Severity: High
CVSS v4: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2018-20545
CWE-ID: CWE-190
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.

There is an illegal WRITE memory access at common-image.c (function load_image) in libcaca 0.99.beta19 for 4bpp data.


Affected software

libcaca (Alpine package)
Opensuse

How to mitigate CVE-2018-20545

Install update from vendor's website.

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

External References

Related Security Bulletins