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    CVE-2009-0754

    PHP 4.4.4, 5.1.6, and other versions, when running on Apache, allows local users to modify behavior of other sites hosted on the same web server by modifying the mbstring.func_overload setting within .htaccess, which causes this setting to be applied to other virtual hosts on the same server.

    Published:Feb 27, 2004
    Last Modified:Apr 23, 2026
    EPS:Mar 3, 2009
    EPSS Score:0.00158
    CVSS Score:2.1

    Affected Products

    Vendor
    Apache
    Product
    Apache
    Vendor
    Php
    Product
    Php
    Vendor
    Redhat
    Product
    Enterprise Linux

    Exploits

    http://bugs.php.net/bug.php?id=27421http://bugs.php.net/bug.php?id=27421https://www.exploit-db.com/exploits/32769

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-135 Format String Injection
    CAPEC-67 String Format Overflow in syslog()

    References

    http://bugs.php.net/bug.php?id=27421
    http://lists.opensuse.org/opensuse-security-announce/2009-04/msg00003.html
    http://secunia.com/advisories/34642
    http://secunia.com/advisories/34830
    http://secunia.com/advisories/35003
    http://secunia.com/advisories/35007
    http://secunia.com/advisories/35306
    http://www.debian.org/security/2009/dsa-1789
    http://www.openwall.com/lists/oss-security/2009/01/30/1
    http://www.openwall.com/lists/oss-security/2009/02/03/3
    http://www.openwall.com/lists/oss-security/2009/02/25/3
    http://www.redhat.com/support/errata/RHSA-2009-0350.html
    http://www.securitytracker.com/id?1021979
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11035
    https://usn.ubuntu.com/761-1/
    https://www.redhat.com/archives/fedora-package-announce/2009-May/msg01451.html
    https://www.redhat.com/archives/fedora-package-announce/2009-May/msg01465.html
    http://bugs.php.net/bug.php?id=27421
    http://lists.opensuse.org/opensuse-security-announce/2009-04/msg00003.html
    http://secunia.com/advisories/34642
    http://secunia.com/advisories/34830
    http://secunia.com/advisories/35003
    http://secunia.com/advisories/35007
    http://secunia.com/advisories/35306
    http://www.debian.org/security/2009/dsa-1789
    http://www.openwall.com/lists/oss-security/2009/01/30/1
    http://www.openwall.com/lists/oss-security/2009/02/03/3
    http://www.openwall.com/lists/oss-security/2009/02/25/3
    http://www.redhat.com/support/errata/RHSA-2009-0350.html
    http://www.securitytracker.com/id?1021979
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11035
    https://usn.ubuntu.com/761-1/
    https://www.redhat.com/archives/fedora-package-announce/2009-May/msg01451.html
    https://www.redhat.com/archives/fedora-package-announce/2009-May/msg01465.html

    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