CVE-2022-42705
Asterisk Sangoma Use-After-Free Information Disclosure DoS
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.
INFO
Published Date :
Dec. 5, 2022, 9:15 p.m.
Last Modified :
Feb. 24, 2023, 12:15 a.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
3.6
Exploitability Score :
2.8
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2022-42705.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2022-42705 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2022-42705 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
CVE Modified by [email protected]
Feb. 24, 2023
Action Type Old Value New Value Added Reference https://www.debian.org/security/2023/dsa-5358 [No Types Assigned] -
CVE Modified by [email protected]
Feb. 23, 2023
Action Type Old Value New Value Added Reference https://lists.debian.org/debian-lts-announce/2023/02/msg00029.html [No Types Assigned] -
Initial Analysis by [email protected]
Dec. 07, 2022
Action Type Old Value New Value Added CVSS V3.1 NIST AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H Changed Reference Type https://downloads.asterisk.org/pub/security/AST-2022-008.html No Types Assigned https://downloads.asterisk.org/pub/security/AST-2022-008.html Patch, Vendor Advisory Added CWE NIST CWE-416 Added CPE Configuration OR *cpe:2.3:a:sangoma:asterisk:*:*:*:*:*:*:*:* versions from (including) 16.0.0 up to (excluding) 16.29.1 *cpe:2.3:a:sangoma:asterisk:*:*:*:*:*:*:*:* versions from (including) 18.14.0 up to (excluding) 18.15.1 *cpe:2.3:a:sangoma:asterisk:*:*:*:*:*:*:*:* versions from (including) 19.6.0 up to (excluding) 19.7.1 *cpe:2.3:a:sangoma:asterisk:20.0.0:*:*:*:*:*:*:* *cpe:2.3:a:sangoma:certified_asterisk:18.9:cert2:*:*:*:*:*:*
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2022-42705 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2022-42705
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.42 }} 0.07%
score
0.74354
percentile