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[USN-1126-1] PHP vulnerabilities

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========================================================================== 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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