Out-of-bounds read in libsndfile - CVE-2019-3832
Published: June 13, 2019
Vulnerability identifier: #VU18790
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-2019-3832
CWE-ID: CWE-125
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to a boundary condition in the wav_write_header() function in wav.c file when processing media content. A remote attacker can create a specially crafted file, trick the victim into opening it, trigger out-of-bounds read error and crash the affected application.
Note: this vulnerability is a result of an unresolved issues, described in SB2018112313 (#5).
Affected software
libsndfile
Gentoo Linux
Ubuntu
libsndfile (Ubuntu package)
busybox (Alpine package)
libsndfile (Alpine package)
firefox-esr (Alpine package)
libsndfile1 (Ubuntu package)
sndfile-programs (Ubuntu package)
Gentoo Linux
Ubuntu
libsndfile (Ubuntu package)
busybox (Alpine package)
libsndfile (Alpine package)
firefox-esr (Alpine package)
libsndfile1 (Ubuntu package)
sndfile-programs (Ubuntu package)
How to mitigate CVE-2019-3832
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.
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-r5
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
libsndfile (Alpine package) - update to 1.0.28-r5
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