CVE-2022-42705

2022-12-0521:15:10

Google

osv.dev

vulnerability

sangoma asterisk

use-after-free

6.5 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

6.8 Medium

AI Score

Confidence

High

0.002 Low

EPSS

Percentile

59.1%

JSON

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.

CPENameOperatorVersion
asteriskeq16.7.0-r0
asteriskeq13.1.1-r0
asteriskeq15.1.3-r0
asteriskeq10.7.1-r3
asteriskeq12.4.0-r3
asteriskeq16.11.0-r0
asteriskeq10.0.1-r1
asteriskeq14.2.1-r2
asteriskeq18.15.0-r3
asteriskeq1.6.0.20-r0

Name	Operator	Version
asterisk	eq	16.7.0-r0
asterisk	eq	13.1.1-r0
asterisk	eq	15.1.3-r0
asterisk	eq	10.7.1-r3
asterisk	eq	12.4.0-r3
asterisk	eq	16.11.0-r0
asterisk	eq	10.0.1-r1
asterisk	eq	14.2.1-r2
asterisk	eq	18.15.0-r3
asterisk	eq	1.6.0.20-r0