medium6.5
CVE-2022-42705
A use-after-free in res_pjsip_pubsub.c in Sangoma Asterisk 16.28, 18.14, 19.6, and certified/18.9-cert2 may allow a remote authenticated attacker to crash Aste…
Impact
A use-after-free in res_pjsip_pubsub.c in Sangoma Asterisk 16.28, 18.14, 19.6, and certified/18.9-cert2 may allow a remote authenticated attacker to crash Asterisk (denial of service) by performing activity on a subscription via a reliable transport at the same time that Asterisk is also performing activity on that subscription.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Sangoma | Asterisk | from 16.0.0 before 16.29.1 from 18.14.0 before 18.15.1 from 19.6.0 before 19.7.1 Version 20.0.0 |
| Sangoma | Certified Asterisk | Version 18.9 |
Weakness classification
References
- NVD record
- CVE.org record
- https://downloads.asterisk.org/pub/security/AST-2022-008.html
- https://lists.debian.org/debian-lts-announce/2023/02/msg00029.html
- https://www.debian.org/security/2023/dsa-5358
- https://downloads.asterisk.org/pub/security/AST-2022-008.html
- https://lists.debian.org/debian-lts-announce/2023/02/msg00029.html
- https://www.debian.org/security/2023/dsa-5358