CVE-2022-42705

Summary

CVECVE-2022-42705
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2022-12-05 21:15:00 UTC
Updated2023-02-24 00:15:00 UTC
DescriptionA 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.

Risk And Classification

Problem Types: CWE-416

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Sangoma Asterisk All All All All
Application Sangoma Asterisk 20.0.0 All All All
Application Sangoma Certified Asterisk 18.9 cert2 All All

References

ReferenceSourceLinkTags
Debian -- Security Information -- DSA-5358-1 asterisk DEBIAN www.debian.org
[SECURITY] [DLA 3335-1] asterisk security update MLIST lists.debian.org
AST-2022-008 MISC downloads.asterisk.org
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Legacy QID Mappings

  • 181602 Debian Security Update for asterisk (DLA 3335-1)
  • 181679 Debian Security Update for asterisk (DSA 5358-1)
  • 502709 Alpine Linux Security Update for asterisk
  • 510668 Alpine Linux Security Update for asterisk
  • 691046 Free Berkeley Software Distribution (FreeBSD) Security Update for sterisk (8dd438ed-a338-11ed-b48b-589cfc0f81b0)
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