CVE-2008-3263

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    CVE-2008-3263

    Published: 22 Jul 2008Last Modified: 10 Apr 2026

    Summary:

    Details: The IAX2 protocol implementation in Asterisk Open Source 1.0.x, 1.2.x before 1.2.30, and 1.4.x before 1.4.21.2; Business Edition A.x.x, B.x.x before B.2.5.4, and C.x.x before C.1.10.3; AsteriskNOW; Appliance Developer Kit 0.x.x; and s800i 1.0.x before 1.2.0.1 allows remote attackers to cause a denial of service (call-number exhaustion and CPU consumption) by quickly sending a large number of IAX2 (IAX) POKE requests.

    References: http://secunia.com/advisories/31178, http://secunia.com/advisories/31194, http://secunia.com/advisories/34982, http://security.gentoo.org/glsa/glsa-200905-01.xml, http://www.vupen.com/english/advisories/2008/2168/references, http://downloads.securityfocus.com/vulnerabilities/exploits/30321.pl, http://www.securityfocus.com/bid/30321, http://downloads.digium.com/pub/security/AST-2008-010.html, http://www.securityfocus.com/archive/1/494675/100/0/threaded, http://www.securitytracker.com/id?1020535, https://exchange.xforce.ibmcloud.com/vulnerabilities/43942, https://www.redhat.com/archives/fedora-package-announce/2008-July/msg00839.html

    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