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=========================================================== Ubuntu Security Notice USN-462-1 May 22, 2007 php5 vulnerabilities CVE-2007-2509, CVE-2007-2510, CVE-2007-2511, CVE-2007-2519 =========================================================== A security issue affects the following Ubuntu releases: Ubuntu 6.06 LTS Ubuntu 6.10 Ubuntu 7.04 This advisory also applies to the corresponding versions of Kubuntu, Edubuntu, and Xubuntu. The problem can be corrected by upgrading your system to the following package versions: Ubuntu 6.06 LTS: libapache2-mod-php5 5.1.2-1ubuntu3.8 php-pear 5.1.2-1ubuntu3.8 php5-cgi 5.1.2-1ubuntu3.8 php5-cli 5.1.2-1ubuntu3.8 php5-xmlrpc 5.1.2-1ubuntu3.8 Ubuntu 6.10: libapache2-mod-php5 5.1.6-1ubuntu2.5 php-pear 5.1.6-1ubuntu2.5 php5-cgi 5.1.6-1ubuntu2.5 php5-cli 5.1.6-1ubuntu2.5 php5-xmlrpc 5.1.6-1ubuntu2.5 Ubuntu 7.04: libapache2-mod-php5 5.2.1-0ubuntu1.2 php-pear 5.2.1-0ubuntu1.2 php5-cgi 5.2.1-0ubuntu1.2 php5-cli 5.2.1-0ubuntu1.2 php5-xmlrpc 5.2.1-0ubuntu1.2 In general, a standard system upgrade is sufficient to effect the necessary changes. Details follow: A flaw was discovered in the FTP command handler in PHP. Commands were not correctly filtered for control characters. An attacker could issue arbitrary FTP commands using specially crafted arguments. (CVE-2007-2509) Ilia Alshanetsky discovered a buffer overflow in the SOAP request handler in PHP. Remote attackers could send a specially crafted SOAP request and execute arbitrary code with web server privileges. (CVE-2007-2510) Ilia Alshanetsky discovered a buffer overflow in the user filter factory in PHP. A local attacker could create a specially crafted script and execute arbitrary code with web server privileges. (CVE-2007-2511) Gregory Beaver discovered that the PEAR installer did not validate installation paths. If a user were tricked into installing a malicious PEAR package, an attacker could overwrite arbitrary files. (CVE-2007-2519)