Vulnerability identifier: #VU73185

Vulnerability risk: Low

CVSSv3.1: 2.9 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-47021

CWE-ID: CWE-476

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
opusfile
Other software / Other software solutions

Vendor: opus-codec.org

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.

Mitigation
Install update from vendor's website.

Vulnerable software versions

opusfile: 0.1 - 0.12

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External links
http://github.com/xiph/opusfile/commit/0a4cd796df5b030cb866f3f4a5e41a4b92caddf5
http://github.com/xiph/opusfile/issues/36
http://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/4LIKBLOE433RA44YTYUZLED4IOWJG5DV/
http://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ED4CWLBR2WQ2IXXTHZ24UYZBRNCLMJXH/
http://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/MYPAQANM2ZNPXRBFOS5NFXNJ7O4Q3OBD/
http://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/2ODIA6QRIRBNF2HRXOE5VCZ2AFP4ZB4R/

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Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.