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    CVE-2007-4455

    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.

    Published:Aug 22, 2007
    Last Modified:Apr 23, 2026
    EPS:Aug 22, 2007
    EPSS Score:0.05232
    CVSS Score:5

    Affected Products

    Vendor
    Asterisk
    Product
    Asterisk
    Vendor
    Asterisk
    Product
    Asterisk Appliance Developer Kit
    Vendor
    Asterisk
    Product
    Asterisknow

    Exploits

    No exploit reference

    Common Weakness Enumeration

    No CWE recorded yet

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

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    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