Buffer overflow - CVE-2019-15296
Published: August 21, 2019 / Updated: August 4, 2020
Vulnerability identifier: #VU33386
CSH Severity: Low
CVSS v4: 8.4 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2019-15296
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 execute arbitrary code.
An issue was discovered in Freeware Advanced Audio Decoder 2 (FAAD2) 2.8.8. The faad_resetbits function in libfaad/bits.c is affected by a buffer overflow vulnerability. The number of bits to be read is determined by ld->buffer_size - words*4, cast to uint32. If ld->buffer_size - words*4 is negative, a buffer overflow is later performed via getdword_n(&ld->start[words], ld->bytes_left).
Affected software
Gentoo Linux
faad2 (Alpine package)
faad2 (Alpine package)
How to mitigate CVE-2019-15296
Install update from vendor's website.
faad2 (Alpine package) - update to 2.9.0-r0