CVE-2018-17281

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    CVE-2018-17281

    Published: 24 Sept 2018Last Modified: 8 Jul 2026

    Summary:

    Details: 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://packetstormsecurity.com/files/149453/Asterisk-Project-Security-Advisory-AST-2018-009.html, http://www.securityfocus.com/bid/105389, http://www.securitytracker.com/id/1041694, https://lists.debian.org/debian-lts-announce/2018/09/msg00034.html, https://security.gentoo.org/glsa/201811-11, https://www.debian.org/security/2018/dsa-4320, https://issues.asterisk.org/jira/browse/ASTERISK-28013, http://downloads.asterisk.org/pub/security/AST-2018-009.html, http://seclists.org/fulldisclosure/2018/Sep/31, https://seclists.org/bugtraq/2018/Sep/53

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 85335355efb2d7914a1fe20ed31afcef15fd210c
    Fixed -None

    Affected versions

    11.6-cert12

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High