SB2019112047 - Improper input validation in libcaca (Alpine package)
Published: November 20, 2019 Updated: September 27, 2022
Security Bulletin ID
SB2019112047
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Improper input validation (CVE-ID: CVE-2018-20549)
The vulnerability allows a local attacker to cause DoS condition on the target system.
The vulnerability exists in the caca_file_read function, as defined in the caca/file.c file due to insufficient validation of user-supplied input. A local attacker can execute a file that submits malicious input, trigger an illegal write memory access condition that can be used to cause a DoS condition.
Remediation
Install update from vendor's website.