Out-of-bounds read in libsndfile - CVE-2018-19661

Vulnerability identifier: #VU16176

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-2018-19661

CWE-ID: CWE-125

Exploitation vector: Remote access

Exploit availability: No public exploit available

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to buffer over-read in the function i2ulaw_array in ulaw.c that will lead to a denial of service. A remote attacker can perform a denial of service attack.

libsndfile
libsndfile (Ubuntu package)
libsndfile (Alpine package)
libsndfile1 (Ubuntu package)
sndfile-programs (Ubuntu package)
Ubuntu

Install update from vendor's website.

libsndfile (Ubuntu package) - addressed in versions 1.0.25-10ubuntu0.16.04.2, 1.0.28-4ubuntu0.18.04.1, 1.0.28-4ubuntu0.18.10.1
libsndfile (Alpine package) - update to 1.0.28-r4
libsndfile1 (Ubuntu package) - addressed in versions 1.0.25-10ubuntu0.16.04.3, 1.0.2510ubuntu0.16.04.3+esm2
sndfile-programs (Ubuntu package) - addressed in versions 1.0.25-10ubuntu0.16.04.3, 1.0.2510ubuntu0.16.04.3+esm2

• https://github.com/erikd/libsndfile/issues/429

• Denial of service in libsndfile
• Ubuntu update for libsndfile
• Out-of-bounds read in libsndfile (Alpine package)
• Ubuntu update for libsndfile