CVE-2008-5558

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    CVE-2008-5558

    Published: 17 Dec 2008Last Modified: 10 Apr 2026

    Summary:

    Details: Asterisk Open Source 1.2.26 through 1.2.30.3 and Business Edition B.2.3.5 through B.2.5.5, when realtime IAX2 users are enabled, allows remote attackers to cause a denial of service (crash) via authentication attempts involving (1) an unknown user or (2) a user using hostname matching.

    References: http://secunia.com/advisories/32956, http://secunia.com/advisories/34982, http://security.gentoo.org/glsa/glsa-200905-01.xml, http://www.vupen.com/english/advisories/2008/3403, http://downloads.digium.com/pub/security/AST-2008-012.html, http://osvdb.org/50675, http://securityreason.com/securityalert/4769, http://www.securityfocus.com/archive/1/499117/100/0/threaded, http://www.securityfocus.com/bid/32773, http://www.securitytracker.com/id?1021378

    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
    CVE-2008-5558 | CVE-DB