CVE-2012-3812

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    CVE-2012-3812

    Published: 9 Jul 2012Last Modified: 10 Apr 2026

    Summary:

    Details: Double free vulnerability in apps/app_voicemail.c in Asterisk Open Source 1.8.x before 1.8.13.1 and 10.x before 10.5.2, Certified Asterisk 1.8.11-certx before 1.8.11-cert4, and Asterisk Digiumphones 10.x.x-digiumphones before 10.5.2-digiumphones allows remote authenticated users to cause a denial of service (daemon crash) by establishing multiple voicemail sessions and accessing both the Urgent mailbox and the INBOX mailbox.

    References: http://downloads.asterisk.org/pub/security/AST-2012-011.html, http://secunia.com/advisories/50687, http://secunia.com/advisories/50756, http://www.debian.org/security/2012/dsa-2550, http://www.securityfocus.com/bid/54317, https://issues.asterisk.org/jira/browse/ASTERISK-20052

    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-2012-3812 | CVE-DB