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Vulnerability Assessment & Network Security Forums |
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If through a vulnerability assessment, a network security issue is detected for the vulnerability below, applying the appropriate security patches in a timely matter is very important. If you have detected that your system has already been compromised, following CERT's Network Security recovery document will assist with recommended steps for system recovery. Home >> Browse Vulnerability Assessment Database >> Red Hat Local Security Checks >> RHSA-2007-0076: php Vulnerability Assessment Details
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RHSA-2007-0076: php |
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Check for the version of the php packages Detailed Explanation for this Vulnerability Assessment Updated PHP packages that fix several security issues are now available for Red Hat Enterprise Linux 3 and 4. This update has been rated as having important security impact by the Red Hat Security Response Team. PHP is an HTML-embedded scripting language commonly used with the Apache HTTP Web server. 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 a possible hacker 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. A possible hacker 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 permit 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 permits attackers to "clobber" certain super-global variables via unspecified vectors. (CVE-2007-0910) Users of PHP should upgrade to these updated packages which contain backported patches to correct these issues. Red Hat would like to thank Stefan Esser for his help diagnosing these issues. Solution : http://rhn.redhat.com/errata/RHSA-2007-0076.html Network Security Threat Level: High Networks Security ID: Vulnerability Assessment Copyright: This script is Copyright (C) 2007 Tenable Network Security |
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