Resource Exhaustion Affecting asterisk package, versions *
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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Test your applications- Snyk IDSNYK-UBUNTU1804-ASTERISK-453107
- published24 Sept 2018
- disclosed24 Sept 2018
Introduced: 24 Sep 2018
CVE-2018-17281 (opens in a new tab)How to fix?
There is no fixed version for Ubuntu:18.04 asterisk.
NVD Description
Note: Versions mentioned in the description apply only to the upstream asterisk package and not the asterisk package as distributed by Ubuntu.
See How to fix? for Ubuntu:18.04 relevant fixed versions and status.
There is a stack consumption vulnerability in the res_http_websocket.so module of Asterisk through 13.23.0, 14.7.x through 14.7.7, and 15.x through 15.6.0 and Certified Asterisk through 13.21-cert2. It allows an attacker to crash Asterisk via a specially crafted HTTP request to upgrade the connection to a websocket.
References
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2018-17281
- https://seclists.org/bugtraq/2018/Sep/53
- http://downloads.asterisk.org/pub/security/AST-2018-009.html
- https://issues.asterisk.org/jira/browse/ASTERISK-28013
- https://www.debian.org/security/2018/dsa-4320
- https://lists.debian.org/debian-lts-announce/2018/09/msg00034.html
- https://security-tracker.debian.org/tracker/CVE-2018-17281
- https://security.gentoo.org/glsa/201811-11
- http://packetstormsecurity.com/files/149453/Asterisk-Project-Security-Advisory-AST-2018-009.html
- http://seclists.org/fulldisclosure/2018/Sep/31
- http://www.securityfocus.com/bid/105389
- http://www.securitytracker.com/id/1041694