Debian: DSA-2195-1: php5 security update

    Date19 Mar 2011
    CategoryDebian
    35
    Posted ByLinuxSecurity Advisories
    Stephane Chazelas discovered that the cronjob of the PHP 5 package in Debian suffers from a race condition which might be used to remove arbitrary files from a system (CVE-2011-0441).
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    Debian Security Advisory DSA-2195-1                   This email address is being protected from spambots. You need JavaScript enabled to view it.
    http://www.debian.org/security/                          Raphael Geissert
    March 19, 2011                         http://www.debian.org/security/faq
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    Package        : php5
    Vulnerability  : several
    Problem type   : local/remote
    Debian-specific: yes/no
    CVE ID         : CVE-2011-0441 CVE-2010-3709 CVE-2010-3710 CVE-2010-3870 
                     CVE-2010-4150
    
    Stephane Chazelas discovered that the cronjob of the PHP 5 package in
    Debian suffers from a race condition which might be used to remove
    arbitrary files from a system (CVE-2011-0441).
    
    When upgrading your php5-common package take special care to _accept_
    the changes to the /etc/cron.d/php5 file. Ignoring them would leave the
    system vulnerable.
    
    For the oldstable distribution (lenny), this problem has been fixed in
    version 5.2.6.dfsg.1-1+lenny10.
    
    For the stable distribution (squeeze), this problem has been fixed in
    version 5.3.3-7+squeeze1.
    
    For the unstable distribution (sid), this problem has been fixed in
    version 5.3.6-1.
    
    Additionally, the following vulnerabilities have also been fixed in the
    oldstable distribution (lenny):
    
    CVE-2010-3709
    
        Maksymilian Arciemowicz discovered that the ZipArchive class
        may dereference a NULL pointer when extracting comments from a zip
        archive, leading to application crash and possible denial of
        service.
    
    CVE-2010-3710
    
        Stefan Neufeind discovered that the FILTER_VALIDATE_EMAIL filter
        does not correctly handle long, to be validated, strings. Such
        crafted strings may lead to denial of service because of high memory
        consumption and application crash.
    
    CVE-2010-3870
    
        It was discovered that PHP does not correctly handle certain UTF-8
        sequences and may be used to bypass XSS protections.
    
    CVE-2010-4150
    
        Mateusz Kocielski discovered that the imap extension may try to
        free already freed memory when processing user credentials, leading
        to application crash and possibly arbitrary code execution.
    
    We recommend that you upgrade your php5 packages.
    
    Further information about Debian Security Advisories, how to apply
    these updates to your system and frequently asked questions can be
    found at: http://www.debian.org/security/
    
    Mailing list: This email address is being protected from spambots. You need JavaScript enabled to view it.
    
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