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    CVE-2006-4392

    The Mach kernel, as used in operating systems including (1) Mac OS X 10.4 through 10.4.7 and (2) OpenStep before 4.2, allows local users to gain privileges via a parent process that forces an exception in a setuid child and uses Mach exception ports to modify the child's thread context and task address space in a way that causes the child to call a parent-controlled function.

    Published:Oct 2, 2006
    Last Modified:Apr 23, 2026
    EPS:Oct 2, 2006
    EPSS Score:0.01012
    CVSS Score:7.2

    Affected Products

    Vendor
    Apple
    Product
    Mac Os X
    Vendor
    Next
    Product
    Openstep

    Exploits

    https://www.exploit-db.com/exploits/2464https://www.exploit-db.com/exploits/2463

    Common Weakness Enumeration

    No CWE recorded yet

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

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    References

    http://lists.apple.com/archives/security-announce/2006/Sep/msg00002.html
    http://secunia.com/advisories/22187
    http://securityreason.com/securityalert/1663
    http://securitytracker.com/id?1016954
    http://www.kb.cert.org/vuls/id/838404
    http://www.matasano.com/log/530/matasano-advisory-macos-x-mach-exception-server-privilege-escalation/
    http://www.osvdb.org/29269
    http://www.securityfocus.com/archive/1/447396/100/0/threaded
    http://www.securityfocus.com/bid/20271
    http://www.us-cert.gov/cas/techalerts/TA06-275A.html
    http://www.vupen.com/english/advisories/2006/3852
    https://exchange.xforce.ibmcloud.com/vulnerabilities/29281
    http://lists.apple.com/archives/security-announce/2006/Sep/msg00002.html
    http://secunia.com/advisories/22187
    http://securityreason.com/securityalert/1663
    http://securitytracker.com/id?1016954
    http://www.kb.cert.org/vuls/id/838404
    http://www.matasano.com/log/530/matasano-advisory-macos-x-mach-exception-server-privilege-escalation/
    http://www.osvdb.org/29269
    http://www.securityfocus.com/archive/1/447396/100/0/threaded
    http://www.securityfocus.com/bid/20271
    http://www.us-cert.gov/cas/techalerts/TA06-275A.html
    http://www.vupen.com/english/advisories/2006/3852
    https://exchange.xforce.ibmcloud.com/vulnerabilities/29281

    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