Description
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.
Published: 2022-12-05
Score: 6.5 Medium
EPSS: 1.8% Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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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.
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'}


Subscriptions

Sangoma Asterisk Certified Asterisk
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.

Weaknesses