CVE-2009-2346

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    CVE-2009-2346

    Published: 8 Sept 2009Last Modified: 10 Apr 2026

    Summary:

    Details: The IAX2 protocol implementation in Asterisk Open Source 1.2.x before 1.2.35, 1.4.x before 1.4.26.2, 1.6.0.x before 1.6.0.15, and 1.6.1.x before 1.6.1.6; Business Edition B.x.x before B.2.5.10, C.2.x before C.2.4.3, and C.3.x before C.3.1.1; and s800i 1.3.x before 1.3.0.3 allows remote attackers to cause a denial of service (call-number exhaustion) by initiating many IAX2 message exchanges, a related issue to CVE-2008-3263.

    References: http://downloads.asterisk.org/pub/security/AST-2009-006.html, http://secunia.com/advisories/36593, http://securitytracker.com/id?1022819, http://www.securityfocus.com/archive/1/506257/100/0/threaded, http://www.securityfocus.com/bid/36275

    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