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Security Update: [CSSA-2002-023.0] Linux: PHP multipart/form-data vulnerabilities
From: security () caldera com
Date: Fri, 17 May 2002 11:20:54 -0700

To: bugtraq () securityfocus com announce () lists caldera com security-alerts () linuxsecurity com

______________________________________________________________________________

                Caldera International, Inc.  Security Advisory

Subject:                Linux: PHP multipart/form-data vulnerabilities
Advisory number:        CSSA-2002-023.0
Issue date:             2002 May 16
Cross reference:
______________________________________________________________________________


1. Problem Description

        Several flaws have been found in the way PHP handles
        multipart/form-data POST requests. Each of the flaws could allow
        an attacker to execute arbitrary code on the victim's system.


2. Vulnerable Supported Versions

        System                          Package
        ----------------------------------------------------------------------

        OpenLinux 3.1.1 Server          prior to php-4.0.6-3.2.i386.rpm
                                        prior to php-doc-4.0.6-3.2.i386.rpm

        OpenLinux 3.1.1 Workstation     prior to php-4.0.6-3.2.i386.rpm
                                        prior to php-doc-4.0.6-3.2.i386.rpm

        OpenLinux 3.1 Server            prior to php-4.0.6-3.2.i386.rpm
                                        prior to php-doc-4.0.6-3.2.i386.rpm

        OpenLinux 3.1 Workstation       prior to php-4.0.6-3.2.i386.rpm
                                        prior to php-doc-4.0.6-3.2.i386.rpm


3. Solution

        The proper solution is to install the latest packages.


4. OpenLinux 3.1.1 Server

        4.1 Package Location

        ftp://ftp.caldera.com/pub/updates/OpenLinux/3.1.1/Server/current/RPMS

        4.2 Packages

        1bbbc55e7dfd717f02b3668c57891edf        php-4.0.6-3.2.i386.rpm
        20c0812616f3df9c48078134c7e7fac6        php-doc-4.0.6-3.2.i386.rpm

        4.3 Installation

        rpm -Fvh php-4.0.6-3.2.i386.rpm
        rpm -Fvh php-doc-4.0.6-3.2.i386.rpm

        4.4 Source Package Location

        ftp://ftp.caldera.com/pub/updates/OpenLinux/3.1.1/Server/current/SRPMS

        4.5 Source Packages

        d17abc8b13cc6074475c2eb4d5cda6e1        php-4.0.6-3.2.src.rpm


5. OpenLinux 3.1.1 Workstation

        5.1 Package Location

        ftp://ftp.caldera.com/pub/updates/OpenLinux/3.1.1/Workstation/current/RPMS

        5.2 Packages

        476c985cfab14a44ec3b5b1878900277        php-4.0.6-3.2.i386.rpm
        e2434fec5c6fb8b877e35dcceb85c44b        php-doc-4.0.6-3.2.i386.rpm

        5.3 Installation

        rpm -Fvh php-4.0.6-3.2.i386.rpm
        rpm -Fvh php-doc-4.0.6-3.2.i386.rpm

        5.4 Source Package Location

        ftp://ftp.caldera.com/pub/updates/OpenLinux/3.1.1/Workstation/current/SRPMS

        5.5 Source Packages

        e51125ee2a73855bf6adf0cdd38baadc        php-4.0.6-3.2.src.rpm


6. OpenLinux 3.1 Server

        6.1 Package Location

        ftp://ftp.caldera.com/pub/updates/OpenLinux/3.1/Server/current/RPMS

        6.2 Packages

        6714aca296f79646b5e3a1875481dfd5        php-4.0.6-3.2.i386.rpm
        fdf7024cc7dde4b3131362080d48c1a3        php-doc-4.0.6-3.2.i386.rpm

        6.3 Installation

        rpm -Fvh php-4.0.6-3.2.i386.rpm
        rpm -Fvh php-doc-4.0.6-3.2.i386.rpm

        6.4 Source Package Location

        ftp://ftp.caldera.com/pub/updates/OpenLinux/3.1/Server/current/SRPMS

        6.5 Source Packages

        12e7a38c6fecfd011fe244816b6200f7        php-4.0.6-3.2.src.rpm


7. OpenLinux 3.1 Workstation

        7.1 Package Location

        ftp://ftp.caldera.com/pub/updates/OpenLinux/3.1/Workstation/current/RPMS

        7.2 Packages

        22ab000e77e3b7cfb320a0bd276f36b8        php-4.0.6-3.2.i386.rpm
        520590022934e36c5d4695adb8296f64        php-doc-4.0.6-3.2.i386.rpm

        7.3 Installation

        rpm -Fvh php-4.0.6-3.2.i386.rpm
        rpm -Fvh php-doc-4.0.6-3.2.i386.rpm

        7.4 Source Package Location

        ftp://ftp.caldera.com/pub/updates/OpenLinux/3.1/Workstation/current/SRPMS

        7.5 Source Packages

        f3b5da8a31e6e557a84c634328564285        php-4.0.6-3.2.src.rpm


8. References

        Specific references for this advisory:

                http://security.e-matters.de/advisories/012002.html
                http://www.kb.cert.org/vuls/id/297363
                http://bugs.php.net/bug.php?id=15736

        Caldera OpenLinux security resources:
                http://www.caldera.com/support/security/index.html

        Caldera UNIX security resources:
                http://stage.caldera.com/support/security/

        This security fix closes Caldera incidents sr861013, fz520246,
        erg711976 and erg711968.


9. Disclaimer

        Caldera International, Inc. is not responsible for the misuse
        of any of the information we provide on this website and/or
        through our security advisories. Our advisories are a service
        to our customers intended to promote secure installation and
        use of Caldera products.


10. Acknowledgements

        Stefan Esser (s.esser () e-matters de) reported these
        vulnerabilities.

______________________________________________________________________________

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