Buffer overflow - CVE-2018-19886
Published: December 6, 2018 / Updated: August 3, 2020
Vulnerability identifier: #VU33005
CSH Severity: Low
CVSS v4: 6.7 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2018-19886
CWE-ID: CWE-119
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
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.
Affected software
Gentoo Linux
faac (Alpine package)
weechat (Alpine package)
media-libs/faac
faac (Alpine package)
weechat (Alpine package)
media-libs/faac
How to mitigate CVE-2018-19886
Install update from vendor's website.
faac (Alpine package) - update to 1.30-r0
weechat (Alpine package) - addressed in versions 2.7.1-r0, 2.8-r0
media-libs/faac - update to 1.30
weechat (Alpine package) - addressed in versions 2.7.1-r0, 2.8-r0
media-libs/faac - update to 1.30