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 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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
6.5 MEDIUM
NETWORK
LOW
LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
mitreCNA
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CVEADP
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CISA-ADPADP
6.5 MEDIUM
NETWORK
LOW
LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 72%
VendorProductVersion
sangomaasterisk
16.0.0 ≤
𝑥
< 16.29.1
sangomaasterisk
18.14.0 ≤
𝑥
< 18.15.1
sangomaasterisk
19.6.0 ≤
𝑥
< 19.7.1
sangomaasterisk
20.0.0
sangomacertified_asterisk
18.9:cert2
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
asterisk
bullseye
1:16.28.0~dfsg-0+deb11u4
fixed
bullseye (security)
1:16.28.0~dfsg-0+deb11u5
fixed
sid
1:22.0.0~dfsg+~cs6.14.60671435-1
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
asterisk
noble
needs-triage
mantic
ignored
lunar
ignored
kinetic
ignored
jammy
needs-triage
focal
needs-triage
bionic
needs-triage
xenial
needs-triage
trusty
ignored
Common Weakness Enumeration
References
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