High severity7.5OSV Advisory· Published Sep 24, 2018· Updated Jun 17, 2026
CVE-2018-17281
CVE-2018-17281
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
3- Range: <=13.21-cert2
Patches
Vulnerability mechanics
References
10- downloads.asterisk.org/pub/security/AST-2018-009.htmlnvdPatchVendor Advisory
- seclists.org/fulldisclosure/2018/Sep/31nvdMailing ListPatchThird Party Advisory
- seclists.org/bugtraq/2018/Sep/53nvdMailing ListPatchThird Party Advisory
- packetstormsecurity.com/files/149453/Asterisk-Project-Security-Advisory-AST-2018-009.htmlnvdThird Party AdvisoryVDB Entry
- www.securityfocus.com/bid/105389nvdThird Party AdvisoryVDB Entry
- www.securitytracker.com/id/1041694nvdThird Party AdvisoryVDB Entry
- issues.asterisk.org/jira/browse/ASTERISK-28013nvdIssue TrackingThird Party Advisory
- lists.debian.org/debian-lts-announce/2018/09/msg00034.htmlnvdMailing ListThird Party Advisory
- security.gentoo.org/glsa/201811-11nvdThird Party Advisory
- www.debian.org/security/2018/dsa-4320nvdThird Party Advisory
News mentions
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