CVE-2019-15297
Sangoma Asterisk T.38 NULL Dereference
Description
res_pjsip_t38 in Sangoma Asterisk 15.x before 15.7.4 and 16.x before 16.5.1 allows an attacker to trigger a crash by sending a declined stream in a response to a T.38 re-invite initiated by Asterisk. The crash occurs because of a NULL session media object dereference.
INFO
Published Date :
Sept. 9, 2019, 9:15 p.m.
Last Modified :
Aug. 30, 2022, 7:15 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-2019-15297.
| URL | Resource |
|---|---|
| http://downloads.asterisk.org/pub/security/AST-2019-004.html | Patch Vendor Advisory |
| http://packetstormsecurity.com/files/154371/Asterisk-Project-Security-Advisory-AST-2019-004.html | Patch Third Party Advisory VDB Entry |
| http://packetstormsecurity.com/files/161671/Asterisk-Project-Security-Advisory-AST-2021-006.html | |
| http://seclists.org/fulldisclosure/2021/Mar/5 |
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-2019-15297 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2019-15297 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]
Aug. 30, 2022
Action Type Old Value New Value Changed Description res_pjsip_t38 in Sangoma Asterisk 13.21-cert4, 15.7.3, and 16.5.0 allows an attacker to trigger a crash by sending a declined stream in a response to a T.38 re-invite initiated by Asterisk. res_pjsip_t38 in Sangoma Asterisk 15.x before 15.7.4 and 16.x before 16.5.1 allows an attacker to trigger a crash by sending a declined stream in a response to a T.38 re-invite initiated by Asterisk. The crash occurs because of a NULL session media object dereference. -
CVE Modified by [email protected]
Mar. 05, 2021
Action Type Old Value New Value Added Reference http://packetstormsecurity.com/files/161671/Asterisk-Project-Security-Advisory-AST-2021-006.html [No Types Assigned] -
CVE Modified by [email protected]
Mar. 04, 2021
Action Type Old Value New Value Added Reference http://seclists.org/fulldisclosure/2021/Mar/5 [No Types Assigned] -
Initial Analysis by [email protected]
Sep. 11, 2019
Action Type Old Value New Value Added CVSS V2 NIST (AV:N/AC:L/Au:S/C:N/I:N/A:P) Added CVSS V3.1 NIST AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H Changed Reference Type http://downloads.asterisk.org/pub/security/AST-2019-004.html No Types Assigned http://downloads.asterisk.org/pub/security/AST-2019-004.html Patch, Vendor Advisory Changed Reference Type http://packetstormsecurity.com/files/154371/Asterisk-Project-Security-Advisory-AST-2019-004.html No Types Assigned http://packetstormsecurity.com/files/154371/Asterisk-Project-Security-Advisory-AST-2019-004.html Patch, Third Party Advisory, VDB Entry Added CWE CWE-476 Added CPE Configuration OR *cpe:2.3:a:digium:asterisk:*:*:*:*:*:*:*:* versions from (including) 15.0.0 up to (including) 15.7.3 *cpe:2.3:a:digium:asterisk:*:*:*:*:*:*:*:* versions from (including) 16.0.0 up to (including) 16.5.0
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2019-15297 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-2019-15297
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
1.15 }} 0.34%
score
0.85088
percentile