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.
Advisories
Source ID Title
Debian DLA Debian DLA DLA-3335-1 asterisk security update
Debian DSA Debian DSA DSA-5358-1 asterisk security update
EUVD EUVD EUVD-2022-45771 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.
Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

Thu, 24 Apr 2025 15:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2025-04-24T14:25:05.481Z

Reserved: 2022-10-10T00:00:00.000Z

Link: CVE-2022-42705

cve-icon Vulnrichment

Updated: 2024-08-03T13:10:41.376Z

cve-icon NVD

Status : Modified

Published: 2022-12-05T21:15:10.177

Modified: 2025-04-24T15:15:50.547

Link: CVE-2022-42705

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.