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Debian: CVE-2022-42705: asterisk -- security update

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Debian: CVE-2022-42705: asterisk -- security update

Severity
4
CVSS
(AV:L/AC:M/Au:N/C:P/I:P/A:P)
Published
12/05/2022
Created
02/24/2023
Added
02/24/2023
Modified
02/27/2023

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.

Solution(s)

  • debian-upgrade-asterisk

References

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