SB2019112040 - Buffer overflow in faac (Alpine package)
Published: November 20, 2019
Security Bulletin ID
SB2019112040
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) Buffer overflow (CVE-ID: CVE-2018-19886)
The vulnerability allows a local non-authenticated attacker to perform a denial of service (DoS) attack.
An invalid memory address dereference was discovered in the huffcode function (libfaac/huff2.c) in Freeware Advanced Audio Coder (FAAC) 1.29.9.2. The vulnerability causes a segmentation fault and application crash, which leads to denial of service in the book 8 case.
Remediation
Install update from vendor's website.
References
- https://git.alpinelinux.org/aports/commit/?id=e0d69f194820956a67e4e9e2a8953242766cca85
- https://git.alpinelinux.org/aports/commit/?id=239bf4e180913a772d25a7dfa70fa8c3e97c8bdb
- https://git.alpinelinux.org/aports/commit/?id=d26ce7440e932bc093367b9d534ea858e1e3db71
- https://git.alpinelinux.org/aports/commit/?id=5c54dd554588857a41293c417766f3ca912eed3b
- https://git.alpinelinux.org/aports/commit/?id=959bbf312f51a2082438b065a1da3ed6b3e852ee