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Home >> Browse Vulnerability Assessment Database >> Red Hat Local Security Checks >> RHSA-2007-0081: php

Vulnerability Assessment Details

RHSA-2007-0081: php

Vulnerability Assessment Summary
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 2.1.

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 were passed to the str_replace() function, an integer
overflow could occur in memory allocation. If a script used 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 with access to a PHP application affected by any these issues
could trigger the flaws and possibly execute arbitrary code as the
'apache' user. (CVE-2007-0906)

When unserializing untrusted data on 64-bit platforms, the
zend_hash_init() function could be forced into an infinite loop, consuming
CPU resources for a limited time, until the script timeout alarm aborted
execution of the script. (CVE-2007-0988)

If the wddx extension was used to import WDDX data from an untrusted
source, certain WDDX input packets could expose a random portion of heap
memory. (CVE-2007-0908)

If the odbc_result_all() function was used to display data from a database,
and the database table contents were under a possible hacker's control, a format
string vulnerability was possible which could permit arbitrary code
execution. (CVE-2007-0909)

A one byte memory read always occurs before the beginning of a buffer. This
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 permit 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-2007-0081.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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