CVE-2007-4455

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    CVE-2007-4455

    Published: 22 Aug 2007Last Modified: 10 Apr 2026

    Summary:

    Details: The SIP channel driver (chan_sip) in Asterisk Open Source 1.4.x before 1.4.11, AsteriskNOW before beta7, Asterisk Appliance Developer Kit 0.x before 0.8.0, and s800i (Asterisk Appliance) 1.x before 1.0.3 allows remote attackers to cause a denial of service (memory exhaustion) via a SIP dialog that causes a large number of history entries to be created.

    References: http://secunia.com/advisories/26553, http://www.vupen.com/english/advisories/2007/2953, http://downloads.digium.com/pub/asa/AST-2007-020.html, http://seclists.org/fulldisclosure/2007/Aug/0393.html, http://securityreason.com/securityalert/3047, http://www.securityfocus.com/bid/25392, http://www.securitytracker.com/id?1018595, https://exchange.xforce.ibmcloud.com/vulnerabilities/36145

    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-2007-4455 | CVE-DB