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CVE-2018-17281

Date: September 24, 2018

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.

Language: C

Severity Score

Related Resources (14)

https://security-tracker.debian.org/tracker/CVE-2018-17281
http://downloads.asterisk.org/pub/security/AST-2018-009.html
http://seclists.org/fulldisclosure/2018/Sep/31
http://www.securityfocus.com/bid/105389
https://security.gentoo.org/glsa/201811-11
http://www.securitytracker.com/id/1041694
https://seclists.org/bugtraq/2018/Sep/53
https://www.debian.org/security/2018/dsa-4320
https://nvd.nist.gov/vuln/detail/CVE-2018-17281
http://packetstormsecurity.com/files/149453/Asterisk-Project-Security-Advisory-AST-2018-009.html
https://people.canonical.com/~ubuntu-security/cve/CVE-2018-17281
https://lists.debian.org/debian-lts-announce/2018/09/msg00034.html
https://issues.asterisk.org/jira/browse/ASTERISK-28013
https://www.mend.io/vulnerability-database/CVE-2018-17281

Severity Score

Weakness Type (CWE)

Resource Management Errors

CWE-399

Uncontrolled Resource Consumption

CWE-400

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): PARTIAL
Additional information:

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