There is a stack consumption vulnerability in the res_http_websocket.so module...
Vulnerability Description
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.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
References
- http://www.securitytracker.com/id/1041694
- http://seclists.org/fulldisclosure/2018/Sep/31
- http://packetstormsecurity.com/files/149453/Asterisk-Project-Security-Advisory-AST-2018-009.html
- https://www.debian.org/security/2018/dsa-4320
- https://seclists.org/bugtraq/2018/Sep/53
- https://issues.asterisk.org/jira/browse/ASTERISK-28013
- https://lists.debian.org/debian-lts-announce/2018/09/msg00034.html
- https://security.gentoo.org/glsa/201811-11
- http://www.securityfocus.com/bid/105389
- http://downloads.asterisk.org/pub/security/AST-2018-009.html
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Timeline
CVSS Vectors
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.