NULL Pointer Dereference The advisory has been revoked - it doesn't affect any version of package asterisk (opens in a new tab)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Start learning- Snyk IDSNYK-UBUNTU2010-ASTERISK-1031094
- published11 Sept 2019
- disclosed9 Sept 2019
Introduced: 9 Sep 2019
CVE-2019-15297 (opens in a new tab)Amendment
The Ubuntu security team deemed this advisory irrelevant for Ubuntu:20.10.
NVD Description
Note: Versions mentioned in the description apply only to the upstream asterisk package and not the asterisk package as distributed by Ubuntu.
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.
References
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2019-15297
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-15297
- http://downloads.asterisk.org/pub/security/AST-2019-004.html
- https://security-tracker.debian.org/tracker/CVE-2019-15297
- http://seclists.org/fulldisclosure/2021/Mar/5
- 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