CVE-2012-0885

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    CVE-2012-0885

    Published: 25 Jan 2012Last Modified: 10 Apr 2026

    Summary:

    Details: chan_sip.c in Asterisk Open Source 1.8.x before 1.8.8.2 and 10.x before 10.0.1, when the res_srtp module is used and media support is improperly configured, allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via a crafted SDP message with a crypto attribute and a (1) video or (2) text media type, as demonstrated by CSipSimple.

    References: http://downloads.asterisk.org/pub/security/AST-2012-001.html, https://issues.asterisk.org/jira/secure/attachment/42202/issueA19202_crypto_if_uninited_text_or_video.patch, http://downloads.asterisk.org/pub/security/AST-2012-001-1.8.diff, http://downloads.asterisk.org/pub/security/AST-2012-001-10.diff, https://bugzilla.redhat.com/show_bug.cgi?id=783487, http://www.openwall.com/lists/oss-security/2012/01/20/16, http://www.openwall.com/lists/oss-security/2012/01/20/18, https://issues.asterisk.org/jira/browse/ASTERISK-19202

    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