CVE-2015-1558

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    CVE-2015-1558

    Published: 9 Feb 2015Last Modified: 10 Apr 2026

    Summary:

    Details: Asterisk Open Source 12.x before 12.8.1 and 13.x before 13.1.1, when using the PJSIP channel driver, does not properly reclaim RTP ports, which allows remote authenticated users to cause a denial of service (file descriptor consumption) via an SDP offer containing only incompatible codecs.

    References: http://downloads.asterisk.org/pub/security/AST-2015-001.html, http://seclists.org/fulldisclosure/2015/Jan/116, http://www.securityfocus.com/archive/1/534573/100/0/threaded, http://www.securitytracker.com/id/1031661

    Affected packages

    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