SB2019112042 - Division by zero in libcaca (Alpine package)
Published: November 20, 2019
Security Bulletin ID
SB2019112042
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Division by zero (CVE-ID: CVE-2018-20544)
CWE-ID: CWE-369 - Divide By Zero
CVSSv4: 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/E:U/U:Green
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.
Remediation
Install update from vendor's website.