NULL pointer dereference in opusfile - CVE-2022-47021

 

NULL pointer dereference in opusfile - CVE-2022-47021

Published: March 8, 2023


Vulnerability identifier: #VU73185
CSH Severity: Low
CVSS v4: 4.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2022-47021
CWE-ID: CWE-476
Exploitation vector: Local access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to a NULL pointer dereference error in the op_get_data() and op_open1() function in opusfile.c. A local user can perform a denial of service (DoS) attack.


Affected software

opusfile
Ubuntu
openEuler
Fedora
libopusfile0 (Ubuntu package)
opusfile
opusfile-debuginfo
opusfile-devel
opusfile-debugsource
mingw-opusfile

How to mitigate CVE-2022-47021

Install update from vendor's website.

libopusfile0 (Ubuntu package) - update to Ubuntu Pro
opusfile - update to 0.11-4
opusfile-debuginfo - update to 0.11-4
opusfile-devel - update to 0.11-4
opusfile-debugsource - update to 0.11-4
mingw-opusfile - addressed in versions 0.12-6.fc36, 0.12-9.fc37
opusfile - addressed in versions 0.12-9.fc36, 0.12-9.fc37

External References

Related Security Bulletins