NULL pointer dereference in opusfile - CVE-2022-47021
Published: March 8, 2023
Vulnerability identifier: #VU73185
CSH Severity: Low
CVSS v4.0: 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/E:U/U:Clear
CVE-ID: CVE-2022-47021
CWE-ID: CWE-476
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: opus-codec.org
Affected software:
opusfile
opusfile
Detailed vulnerability description
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.
How to mitigate CVE-2022-47021
Install update from vendor's website.
Sources
- https://github.com/xiph/opusfile/commit/0a4cd796df5b030cb866f3f4a5e41a4b92caddf5
- https://github.com/xiph/opusfile/issues/36
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/4LIKBLOE433RA44YTYUZLED4IOWJG5DV/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ED4CWLBR2WQ2IXXTHZ24UYZBRNCLMJXH/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/MYPAQANM2ZNPXRBFOS5NFXNJ7O4Q3OBD/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/2ODIA6QRIRBNF2HRXOE5VCZ2AFP4ZB4R/