Ubuntu 1126-1: PHP vulnerabilities

    Date29 Apr 2011
    CategoryUbuntu
    51
    Posted ByLinuxSecurity Advisories
    Multiple vulnerabilities in PHP.
    ==========================================================================
    Ubuntu Security Notice USN-1126-1
    April 29, 2011
    
    php5 vulnerabilities
    ==========================================================================
    
    A security issue affects these releases of Ubuntu and its derivatives:
    
    - Ubuntu 11.04
    - Ubuntu 10.10
    - Ubuntu 10.04 LTS
    - Ubuntu 9.10
    - Ubuntu 8.04 LTS
    - Ubuntu 6.06 LTS
    
    Summary:
    
    Multiple vulnerabilities in PHP.
    
    Software Description:
    - php5: HTML-embedded scripting language interpreter
    
    Details:
    
    Stephane Chazelas discovered that the /etc/cron.d/php5 cron job for
    PHP 5.3.5 allows local users to delete arbitrary files via a symlink
    attack on a directory under /var/lib/php5/. (CVE-2011-0441)
    
    Raphael Geisert and Dan Rosenberg discovered that the PEAR installer
    allows local users to overwrite arbitrary files via a symlink attack on
    the package.xml file, related to the (1) download_dir, (2) cache_dir,
    (3) tmp_dir, and (4) pear-build-download directories. (CVE-2011-1072,
    CVE-2011-1144)
    
    Ben Schmidt discovered that a use-after-free vulnerability in the PHP
    Zend engine could allow an attacker to cause a denial of service (heap
    memory corruption) or possibly execute arbitrary code. (CVE-2010-4697)
    
    Martin Barbella discovered a buffer overflow in the PHP GD extension
    that allows an attacker to cause a denial of service (application crash)
    via a large number of anti- aliasing steps in an argument to the
    imagepstext function. (CVE-2010-4698)
    
    It was discovered that PHP accepts the \0 character in a pathname,
    which might allow an attacker to bypass intended access restrictions
    by placing a safe file extension after this character. This issue
    is addressed in Ubuntu 10.04 LTS, Ubuntu 10.10, and Ubuntu 11.04.
    (CVE-2006-7243)
    
    Maksymilian Arciemowicz discovered that the grapheme_extract function
    in the PHP Internationalization extension (Intl) for ICU allow
    an attacker to cause a denial of service (crash) via an invalid
    size argument, which triggers a NULL pointer dereference. This
    issue affected Ubuntu 10.04 LTS, Ubuntu 10.10, and Ubuntu
    11.04. (CVE-2011-0420)
    
    Maksymilian Arciemowicz discovered that the _zip_name_locate
    function in the PHP Zip extension does not properly handle a
    ZIPARCHIVE::FL_UNCHANGED argument, which might allow an attacker to
    cause a denial of service (NULL pointer dereference) via an empty
    ZIP archive. This issue affected Ubuntu 8.04 LTS, Ubuntu 9.10, Ubuntu
    10.04 LTS, Ubuntu 10.10, and Ubuntu 11.04. (CVE-2011-0421)
    
    Luca Carettoni discovered that the PHP Exif extension performs an
    incorrect cast on 64bit platforms, which allows a remote attacker
    to cause a denial of service (application crash) via an image with
    a crafted Image File Directory (IFD). (CVE-2011-0708)
    
    Jose Carlos Norte discovered that an integer overflow in the PHP
    shmop extension could allow an attacker to cause a denial of service
    (crash) and possibly read sensitive memory function. (CVE-2011-1092)
    
    Felipe Pena discovered that a use-after-free vulnerability in the
    substr_replace function allows an attacker to cause a denial of
    service (memory corruption) or possibly execute arbitrary code.
    (CVE-2011-1148)
    
    Felipe Pena discovered multiple format string vulnerabilities in the
    PHP phar extension. These could allow an attacker to obtain sensitive
    information from process memory, cause a denial of service (memory
    corruption), or possibly execute arbitrary code. This issue affected
    Ubuntu 10.04 LTS, Ubuntu 10.10, and Ubuntu 11.04.(CVE-2011-1153)
    
    It was discovered that a buffer overflow occurs in the strval function
    when the precision configuration option has a large value. The default
    compiler options for Ubuntu 8.04 LTS, Ubuntu 9.10, Ubuntu 10.04 LTS,
    Ubuntu 10.10, and Ubuntu 11.04 should reduce the vulnerability to a
    denial of service. (CVE-2011-1464)
    
    It was discovered that an integer overflow in the SdnToJulian function
    in the PHP Calendar extension could allow an attacker to cause a
    denial of service (application crash). (CVE-2011-1466)
    
    Tomas Hoger discovered that an integer overflow in the
    NumberFormatter::setSymbol function in the PHP Intl extension
    could allow an attacker to cause a denial of service (application
    crash). This issue affected Ubuntu 10.04 LTS, Ubuntu 10.10, and Ubuntu
    11.04. (CVE-2011-1467)
    
    It was discovered that multiple memory leaks in the PHP OpenSSL
    extension might allow a remote attacker to cause a denial of service
    (memory consumption). This issue affected Ubuntu 10.04 LTS, Ubuntu
    10.10, and Ubuntu 11.04. (CVE-2011-1468)
    
    Daniel Buschke discovered that the PHP Streams component in PHP
    handled types improperly, possibly allowing an attacker to cause a
    denial of service (application crash). (CVE-2011-1469)
    
    It was discovered that the PHP Zip extension could allow an attacker to
    cause a denial of service (application crash) via a ziparchive stream
    that is not properly handled by the stream_get_contents function. This
    issue affected Ubuntu 8.04 LTS, Ubuntu 9.10, Ubuntu 10.04 LTS, Ubuntu
    10.10, and Ubuntu 11.04. (CVE-2011-1470)
    
    It was discovered that an integer signedness error in the PHP Zip
    extension could allow an attacker to cause a denial of service (CPU
    consumption) via a malformed archive file.  This issue affected
    Ubuntu 8.04 LTS, Ubuntu 9.10, Ubuntu 10.04 LTS, Ubuntu 10.10, and
    Ubuntu 11.04. (CVE-2011-1470) (CVE-2011-1471)
    
    Update instructions:
    
    The problem can be corrected by updating your system to the following
    package versions:
    
    Ubuntu 11.04:
      libapache2-mod-php5             5.3.5-1ubuntu7.1
      php-pear                        5.3.5-1ubuntu7.1
      php5                            5.3.5-1ubuntu7.1
      php5-cgi                        5.3.5-1ubuntu7.1
      php5-cli                        5.3.5-1ubuntu7.1
      php5-common                     5.3.5-1ubuntu7.1
      php5-curl                       5.3.5-1ubuntu7.1
      php5-dev                        5.3.5-1ubuntu7.1
      php5-gd                         5.3.5-1ubuntu7.1
      php5-intl                       5.3.5-1ubuntu7.1
    
    Ubuntu 10.10:
      libapache2-mod-php5             5.3.3-1ubuntu9.4
      php-pear                        5.3.3-1ubuntu9.4
      php5                            5.3.3-1ubuntu9.4
      php5-cgi                        5.3.3-1ubuntu9.4
      php5-cli                        5.3.3-1ubuntu9.4
      php5-common                     5.3.3-1ubuntu9.4
      php5-curl                       5.3.3-1ubuntu9.4
      php5-dev                        5.3.3-1ubuntu9.4
      php5-gd                         5.3.3-1ubuntu9.4
      php5-intl                       5.3.3-1ubuntu9.4
    
    Ubuntu 10.04 LTS:
      libapache2-mod-php5             5.3.2-1ubuntu4.8
      php-pear                        5.3.2-1ubuntu4.8
      php5                            5.3.2-1ubuntu4.8
      php5-cgi                        5.3.2-1ubuntu4.8
      php5-cli                        5.3.2-1ubuntu4.8
      php5-common                     5.3.2-1ubuntu4.8
      php5-curl                       5.3.2-1ubuntu4.8
      php5-dev                        5.3.2-1ubuntu4.8
      php5-gd                         5.3.2-1ubuntu4.8
      php5-intl                       5.3.2-1ubuntu4.8
    
    Ubuntu 9.10:
      libapache2-mod-php5             5.2.10.dfsg.1-2ubuntu6.9
      php-pear                        5.2.10.dfsg.1-2ubuntu6.9
      php5                            5.2.10.dfsg.1-2ubuntu6.9
      php5-cgi                        5.2.10.dfsg.1-2ubuntu6.9
      php5-cli                        5.2.10.dfsg.1-2ubuntu6.9
      php5-common                     5.2.10.dfsg.1-2ubuntu6.9
      php5-curl                       5.2.10.dfsg.1-2ubuntu6.9
      php5-dev                        5.2.10.dfsg.1-2ubuntu6.9
      php5-gd                         5.2.10.dfsg.1-2ubuntu6.9
    
    Ubuntu 8.04 LTS:
      libapache2-mod-php5             5.2.4-2ubuntu5.15
      php-pear                        5.2.4-2ubuntu5.15
      php5                            5.2.4-2ubuntu5.15
      php5-cgi                        5.2.4-2ubuntu5.15
      php5-cli                        5.2.4-2ubuntu5.15
      php5-common                     5.2.4-2ubuntu5.15
      php5-curl                       5.2.4-2ubuntu5.15
      php5-dev                        5.2.4-2ubuntu5.15
      php5-gd                         5.2.4-2ubuntu5.15
    
    Ubuntu 6.06 LTS:
      libapache2-mod-php5             5.1.2-1ubuntu3.22
      php-pear                        5.1.2-1ubuntu3.22
      php5                            5.1.2-1ubuntu3.22
      php5-cgi                        5.1.2-1ubuntu3.22
      php5-cli                        5.1.2-1ubuntu3.22
      php5-common                     5.1.2-1ubuntu3.22
      php5-curl                       5.1.2-1ubuntu3.22
      php5-dev                        5.1.2-1ubuntu3.22
      php5-gd                         5.1.2-1ubuntu3.22
    
    In general, a standard system update will make all the necessary changes.
    
    References:
      CVE-2006-7243, CVE-2010-4697, CVE-2010-4698, CVE-2011-0420,
      CVE-2011-0421, CVE-2011-0441, CVE-2011-0708, CVE-2011-1072,
      CVE-2011-1092, CVE-2011-1144, CVE-2011-1148, CVE-2011-1153,
      CVE-2011-1464, CVE-2011-1466, CVE-2011-1467, CVE-2011-1468,
      CVE-2011-1469, CVE-2011-1470, CVE-2011-1471
    
    Package Information:
      https://launchpad.net/ubuntu/+source/php5/5.3.5-1ubuntu7.1
      https://launchpad.net/ubuntu/+source/php5/5.3.3-1ubuntu9.4
      https://launchpad.net/ubuntu/+source/php5/5.3.2-1ubuntu4.8
      https://launchpad.net/ubuntu/+source/php5/5.2.10.dfsg.1-2ubuntu6.9
      https://launchpad.net/ubuntu/+source/php5/5.2.4-2ubuntu5.15
      https://launchpad.net/ubuntu/+source/php5/5.1.2-1ubuntu3.22
    
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