CVE-2022-42705
Severity Score
6.5
*CVSS v3.1
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
0
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
-
*SSVC
Descriptions
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.
Un use after free en res_pjsip_pubsub.c en Sangoma Asterisk 16.28, 18.14, 19.6 y certificado/18.9-cert2 puede permitir que un atacante remoto autenticado bloquee Asterisk (denegación de servicio) al realizar actividad en una suscripción a través de un transporte confiable en al mismo tiempo que Asterisk también realiza actividad en esa suscripción.
*Credits:
N/A
CVSS Scores
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
* Common Vulnerability Scoring System
SSVC
- Decision:-
Exploitation
Automatable
Tech. Impact
* Organization's Worst-case Scenario
Timeline
- 2022-10-10 CVE Reserved
- 2022-12-05 CVE Published
- 2024-07-26 EPSS Updated
- 2024-08-03 CVE Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
- ---------- First Exploit
CWE
- CWE-416: Use After Free
CAPEC
References (3)
| URL | Tag | Source |
|---|---|---|
| https://lists.debian.org/debian-lts-announce/2023/02/msg00029.html | Mailing List |
|
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|---|---|
| https://downloads.asterisk.org/pub/security/AST-2022-008.html | 2023-02-24 |
| URL | Date | SRC |
|---|---|---|
| https://www.debian.org/security/2023/dsa-5358 | 2023-02-24 |
Affected Vendors, Products, and Versions
| Vendor | Product | Version | Other | Status | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
| Sangoma Search vendor "Sangoma" | Asterisk Search vendor "Sangoma" for product "Asterisk" | >= 16.0.0 < 16.29.1 Search vendor "Sangoma" for product "Asterisk" and version " >= 16.0.0 < 16.29.1" | - |
Affected
| ||||||
| Sangoma Search vendor "Sangoma" | Asterisk Search vendor "Sangoma" for product "Asterisk" | >= 18.14.0 < 18.15.1 Search vendor "Sangoma" for product "Asterisk" and version " >= 18.14.0 < 18.15.1" | - |
Affected
| ||||||
| Sangoma Search vendor "Sangoma" | Asterisk Search vendor "Sangoma" for product "Asterisk" | >= 19.6.0 < 19.7.1 Search vendor "Sangoma" for product "Asterisk" and version " >= 19.6.0 < 19.7.1" | - |
Affected
| ||||||
| Sangoma Search vendor "Sangoma" | Asterisk Search vendor "Sangoma" for product "Asterisk" | 20.0.0 Search vendor "Sangoma" for product "Asterisk" and version "20.0.0" | - |
Affected
| ||||||
| Sangoma Search vendor "Sangoma" | Certified Asterisk Search vendor "Sangoma" for product "Certified Asterisk" | 18.9 Search vendor "Sangoma" for product "Certified Asterisk" and version "18.9" | cert2 |
Affected
| ||||||