Division by zero in libsndfile - CVE-2017-16942

Vulnerability identifier: #VU18789

CSH Severity: Low

CVSS v4: 1.8 [CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]

CVE-ID: CVE-2017-16942

CWE-ID: CWE-369

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 a divide by zero error in the wav_w64_read_fmt_chunk() function in wav_w64.c file while playing a crafted audio file. A remote attacker can pass a specially crafted file to the affected application, trigger division by zero error and crash the affected application.

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

Install update from vendor's website.

libsndfile - update to 1.0.26
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
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/341

• Ubuntu update for libsndfile
• Ubuntu update for libsndfile