CVE-2020-35776
Sangoma Asterisk Buffer Overflow Vulnerability
Description
A buffer overflow in res_pjsip_diversion.c in Sangoma Asterisk versions 13.38.1, 16.15.1, 17.9.1, and 18.1.1 allows remote attacker to crash Asterisk by deliberately misusing SIP 181 responses.
INFO
Published Date :
Feb. 18, 2021, 8:15 p.m.
Last Modified :
Nov. 21, 2024, 5:28 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-2020-35776.
| URL | Resource |
|---|---|
| http://packetstormsecurity.com/files/161470/Asterisk-Project-Security-Advisory-AST-2021-001.html | Patch Third Party Advisory |
| http://seclists.org/fulldisclosure/2021/Feb/57 | Mailing List Third Party Advisory |
| https://downloads.asterisk.org/pub/security/AST-2021-001.html | Vendor Advisory |
| https://issues.asterisk.org/ | Issue Tracking Vendor Advisory |
| https://issues.asterisk.org/jira/browse/ASTERISK-29227 | Exploit Issue Tracking Patch Vendor Advisory |
| http://packetstormsecurity.com/files/161470/Asterisk-Project-Security-Advisory-AST-2021-001.html | Patch Third Party Advisory |
| http://seclists.org/fulldisclosure/2021/Feb/57 | Mailing List Third Party Advisory |
| https://downloads.asterisk.org/pub/security/AST-2021-001.html | Vendor Advisory |
| https://issues.asterisk.org/ | Issue Tracking Vendor Advisory |
| https://issues.asterisk.org/jira/browse/ASTERISK-29227 | Exploit Issue Tracking Patch Vendor Advisory |
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-2020-35776 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2020-35776 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 af854a3a-2127-422b-91ae-364da2661108
Nov. 21, 2024
Action Type Old Value New Value Added Reference http://packetstormsecurity.com/files/161470/Asterisk-Project-Security-Advisory-AST-2021-001.html Added Reference http://seclists.org/fulldisclosure/2021/Feb/57 Added Reference https://downloads.asterisk.org/pub/security/AST-2021-001.html Added Reference https://issues.asterisk.org/ Added Reference https://issues.asterisk.org/jira/browse/ASTERISK-29227 -
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
Initial Analysis by [email protected]
Feb. 24, 2021
Action Type Old Value New Value Added CVSS V2 Metadata Victim must voluntarily interact with attack mechanism Added CVSS V2 NIST (AV:N/AC:M/Au:N/C:N/I:N/A:P) Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H Changed Reference Type http://packetstormsecurity.com/files/161470/Asterisk-Project-Security-Advisory-AST-2021-001.html No Types Assigned http://packetstormsecurity.com/files/161470/Asterisk-Project-Security-Advisory-AST-2021-001.html Patch, Third Party Advisory Changed Reference Type http://seclists.org/fulldisclosure/2021/Feb/57 No Types Assigned http://seclists.org/fulldisclosure/2021/Feb/57 Mailing List, Third Party Advisory Changed Reference Type https://downloads.asterisk.org/pub/security/AST-2021-001.html No Types Assigned https://downloads.asterisk.org/pub/security/AST-2021-001.html Vendor Advisory Changed Reference Type https://issues.asterisk.org/ No Types Assigned https://issues.asterisk.org/ Issue Tracking, Vendor Advisory Changed Reference Type https://issues.asterisk.org/jira/browse/ASTERISK-29227 No Types Assigned https://issues.asterisk.org/jira/browse/ASTERISK-29227 Exploit, Issue Tracking, Patch, Vendor Advisory Added CWE NIST CWE-120 Added CPE Configuration OR *cpe:2.3:a:digium:asterisk:*:*:*:*:*:*:*:* versions from (including) 13.0.0 up to (including) 13.38.1 *cpe:2.3:a:digium:asterisk:*:*:*:*:*:*:*:* versions from (including) 16.0.0 up to (including) 16.15.1 *cpe:2.3:a:digium:asterisk:*:*:*:*:*:*:*:* versions from (including) 17.0.0 up to (including) 17.9.1 *cpe:2.3:a:digium:asterisk:*:*:*:*:*:*:*:* versions from (including) 18.0 up to (including) 18.1.1 -
CVE Modified by [email protected]
Feb. 19, 2021
Action Type Old Value New Value Added Reference http://packetstormsecurity.com/files/161470/Asterisk-Project-Security-Advisory-AST-2021-001.html [No Types Assigned]
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2020-35776 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-2020-35776
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.69 }} -0.14%
score
0.79901
percentile