CVE-2012-4737

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    CVE-2012-4737

    Published: 31 Aug 2012Last Modified: 10 Apr 2026

    Summary:

    Details: channels/chan_iax2.c in Asterisk Open Source 1.8.x before 1.8.15.1 and 10.x before 10.7.1, Certified Asterisk 1.8.11 before 1.8.11-cert7, Asterisk Digiumphones 10.x.x-digiumphones before 10.7.1-digiumphones, and Asterisk Business Edition C.3.x before C.3.7.6 does not enforce ACL rules during certain uses of peer credentials, which allows remote authenticated users to bypass intended outbound-call restrictions by leveraging the availability of these credentials.

    References: http://downloads.asterisk.org/pub/security/AST-2012-013.html, http://secunia.com/advisories/50687, http://secunia.com/advisories/50756, http://www.debian.org/security/2012/dsa-2550, http://www.securityfocus.com/bid/55335, http://www.securitytracker.com/id?1027461

    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-2012-4737 | CVE-DB