CVE-2019-15297: Null Pointer Dereference
First published: Mon Sep 09 2019(Updated: )
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.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Digium Asterisk | >=15.0.0<=15.7.3 | |
| Digium Asterisk | >=16.0.0<=16.5.0 | |
| debian/asterisk | 1:16.2.1~dfsg-1+deb10u2 1:16.28.0~dfsg-0+deb10u4 1:16.28.0~dfsg-0+deb11u3 1:20.5.2~dfsg+~cs6.13.40431414-1 |
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Reference Links
- http://downloads.asterisk.org/pub/security/AST-2019-004.html
- http://packetstormsecurity.com/files/154371/Asterisk-Project-Security-Advisory-AST-2019-004.html
- http://packetstormsecurity.com/files/161671/Asterisk-Project-Security-Advisory-AST-2021-006.html
- http://seclists.org/fulldisclosure/2021/Mar/5
- https://downloads.asterisk.org/pub/security/AST-2019-004.html
- https://issues.asterisk.org/jira/browse/ASTERISK-28495
- https://security-tracker.debian.org/tracker/CVE-2019-15297
Frequently Asked Questions
What is CVE-2019-15297?
CVE-2019-15297 is a vulnerability in Sangoma Asterisk 15.x before 15.7.4 and 16.x before 16.5.1 that allows an attacker to trigger a crash by sending a declined stream in a response to a T.38 re-invite initiated by Asterisk.
What is the severity of CVE-2019-15297?
The severity of CVE-2019-15297 is medium with a CVSS score of 6.5.
How does CVE-2019-15297 affect Sangoma Asterisk?
CVE-2019-15297 affects Sangoma Asterisk versions 15.x before 15.7.4 and 16.x before 16.5.1.
How can I fix CVE-2019-15297?
To fix CVE-2019-15297, update Sangoma Asterisk to version 15.7.4 or 16.5.1 (or later if available).
Where can I find more information about CVE-2019-15297?
You can find more information about CVE-2019-15297 at the following references: [AST-2019-004](https://downloads.asterisk.org/pub/security/AST-2019-004.html), [ASTERISK-28495](https://issues.asterisk.org/jira/browse/ASTERISK-28495), [CVE-2019-15297](https://security-tracker.debian.org/tracker/CVE-2019-15297).
- collector/nvd-index
- collector/security-tracker-debian
- agent/severity
- agent/weakness
- agent/references
- agent/author
- agent/tags
- agent/type
- agent/description
- agent/event
- agent/remedy
- agent/last-modified-date
- agent/softwarecombine
- agent/first-publish-date
- vendor/digium
- canonical/digium asterisk
- version/digium asterisk/15.0.0
- version/digium asterisk/15.7.3
- version/digium asterisk/16.0.0
- version/digium asterisk/16.5.0
- package-manager/debian