Vulnerability · Published Jan 20, 2023 · Assigned by mitre
CVE-2022-47021
High 7.8
In plain English
A high-severity null pointer dereference in the opusfile package (Alpine). Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 35% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)7.8High
Exploit odds (30 days)0.4%top 65.3% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
A null pointer dereference issue was discovered in functions op_get_data and op_open1 in opusfile.c in xiph opusfile 0.9 thru 0.12 allows attackers to cause denial of service or other unspecified impacts.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine:v3.20 | opusfile | 0.12-r4 | ALPINE-CVE-2022-47021 |
| Alpine:v3.21 | opusfile | 0.12-r4 | ALPINE-CVE-2022-47021 |
| Alpine:v3.22 | opusfile | 0.12-r4 | ALPINE-CVE-2022-47021 |
| Alpine:v3.23 | opusfile | 0.12-r4 | ALPINE-CVE-2022-47021 |
| Alpine:v3.24 | opusfile | 0.12-r4 | ALPINE-CVE-2022-47021 |
| Debian:12 | opusfile | 0.12-4 | DEBIAN-CVE-2022-47021 |
| Debian:13 | opusfile | 0.12-4 | DEBIAN-CVE-2022-47021 |
| Debian:14 | opusfile | 0.12-4 | DEBIAN-CVE-2022-47021 |
Affected products (as reported)
Weakness: CWE-476 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
References
- https://github.com/xiph/opusfile/issues/36
- https://github.com/xiph/opusfile/commit/0a4cd796df5b030cb866f3f4a5e41a4b92caddf5
- FEDORA-2023-528f07b5af vendor-advisory
- FEDORA-2023-9cdfc21898 vendor-advisory
- FEDORA-2023-6b83109e4e vendor-advisory
- FEDORA-2023-6d18f920d2 vendor-advisory