Fedora Core 6 : php-5.1.6-3.4.fc6 (2007-261)
High Nessus Plugin ID 24692
SynopsisThe remote Fedora Core host is missing a security update.
DescriptionThis update fixes a number of security issues in PHP.
A number of buffer overflow flaws were found in the PHP session extension, the str_replace() function, and the imap_mail_compose() function. If very long strings under the control of an attacker are passed to the str_replace() function then an integer overflow could occur in memory allocation. If a script uses the imap_mail_compose() function to create a new MIME message based on an input body from an untrusted source, it could result in a heap overflow. An attacker who is able to access a PHP application affected by any these issues could trigger these flaws and possibly execute arbitrary code as the 'apache' user. (CVE-2007-0906)
If unserializing untrusted data on 64-bit platforms, the zend_hash_init() function can be forced to enter an infinite loop, consuming CPU resources for a limited length of time, until the script timeout alarm aborts execution of the script. (CVE-2007-0988)
If the wddx extension is used to import WDDX data from an untrusted source, certain WDDX input packets may allow a random portion of heap memory to be exposed. (CVE-2007-0908)
If the odbc_result_all() function is used to display data from a database, and the contents of the database table are under the control of an attacker, a format string vulnerability is possible which could lead to the execution of arbitrary code. (CVE-2007-0909)
A one byte memory read will always occur before the beginning of a buffer, which could be triggered for example by any use of the header() function in a script. However it is unlikely that this would have any effect. (CVE-2007-0907)
Several flaws in PHP could allows attackers to 'clobber' certain super-global variables via unspecified vectors. (CVE-2007-0910)
The Fedora Project would like to thank Stefan Esser for his help diagnosing these issues.
Note that Tenable Network Security has extracted the preceding description block directly from the Fedora security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.
SolutionUpdate the affected packages.