CVE-2011-1507

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    CVE-2011-1507

    Published: 27 Apr 2011Last Modified: 10 Apr 2026

    Summary:

    Details: Asterisk Open Source 1.4.x before 1.4.40.1, 1.6.1.x before 1.6.1.25, 1.6.2.x before 1.6.2.17.3, and 1.8.x before 1.8.3.3 and Asterisk Business Edition C.x.x before C.3.6.4 do not restrict the number of unauthenticated sessions to certain interfaces, which allows remote attackers to cause a denial of service (file descriptor exhaustion and disk space exhaustion) via a series of TCP connections.

    References: http://downloads.digium.com/pub/security/AST-2011-005.html, http://secunia.com/advisories/44197, http://secunia.com/advisories/44529, http://www.debian.org/security/2011/dsa-2225, http://www.vupen.com/english/advisories/2011/1086, http://www.vupen.com/english/advisories/2011/1107, http://www.vupen.com/english/advisories/2011/1188, https://bugzilla.redhat.com/show_bug.cgi?id=698916, http://lists.fedoraproject.org/pipermail/package-announce/2011-April/058922.html, http://lists.fedoraproject.org/pipermail/package-announce/2011-May/059702.html, http://securitytracker.com/id?1025432

    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