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    CVE-2012-4409

    Stack-based buffer overflow in the check_file_head function in extra.c in mcrypt 2.6.8 and earlier allows user-assisted remote attackers to execute arbitrary code via an encrypted file with a crafted header containing long salt data that is not properly handled during decryption.

    Published:Nov 21, 2012
    Last Modified:Apr 11, 2025
    EPS:Nov 21, 2012
    EPSS Score:0.58743
    CVSS Score:6.8

    Affected Products

    Vendor
    Mcrypt
    Product
    Mcrypt

    Exploits

    http://packetstormsecurity.org/files/116268/mcrypt-2.6.8-Buffer-Overflow-Proof-Of-Concept.htmlhttp://packetstormsecurity.org/files/116268/mcrypt-2.6.8-Buffer-Overflow-Proof-Of-Concept.htmlhttps://www.exploit-db.com/exploits/22938https://www.exploit-db.com/exploits/22928

    References

    http://lists.fedoraproject.org/pipermail/package-announce/2012-September/086519.html
    http://lists.fedoraproject.org/pipermail/package-announce/2012-September/087542.html
    http://lists.fedoraproject.org/pipermail/package-announce/2012-September/088281.html
    http://packetstormsecurity.org/files/116268/mcrypt-2.6.8-Buffer-Overflow-Proof-Of-Concept.html
    http://secunia.com/advisories/50507
    http://secunia.com/advisories/51010
    http://www.openwall.com/lists/oss-security/2012/09/06/4
    http://www.securitytracker.com/id?1027532
    https://bugzilla.redhat.com/show_bug.cgi?id=855029
    http://lists.fedoraproject.org/pipermail/package-announce/2012-September/086519.html
    http://lists.fedoraproject.org/pipermail/package-announce/2012-September/087542.html
    http://lists.fedoraproject.org/pipermail/package-announce/2012-September/088281.html
    http://packetstormsecurity.org/files/116268/mcrypt-2.6.8-Buffer-Overflow-Proof-Of-Concept.html
    http://secunia.com/advisories/50507
    http://secunia.com/advisories/51010
    http://www.openwall.com/lists/oss-security/2012/09/06/4
    http://www.securitytracker.com/id?1027532
    https://bugzilla.redhat.com/show_bug.cgi?id=855029

    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