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RHSA-2005-405: php Vulnerability Scan
Vulnerability Scan Summary
Check for the version of the php packages
Detailed Explanation for this Vulnerability Test
Updated PHP packages that fix various security issues are now available.
This update has been rated as having moderate 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 bug was found in the way PHP processes IFF and JPEG images. It is
possible to cause PHP to consume CPU resources for a short period of time
by supplying a carefully crafted IFF or JPEG image. The Common
Vulnerabilities and Exposures project (cve.mitre.org) has assigned the
names CVE-2005-0524 and CVE-2005-0525 to these issues.
A buffer overflow bug was also found in the way PHP processes EXIF image
headers. It is possible for a possible hacker to construct an image file in such
a way that it could execute arbitrary instructions when processed by PHP.
The Common Vulnerabilities and Exposures project (cve.mitre.org) has
assigned the name CVE-2005-1042 to this issue.
A denial of service bug was found in the way PHP processes EXIF image
headers. It is possible for a possible hacker to cause PHP to enter an infinite
loop for a short period of time by supplying a carefully crafted image file
to PHP for processing. The Common Vulnerabilities and Exposures project
(cve.mitre.org) has assigned the name CVE-2005-1043 to this issue.
Several bug fixes are also included in this update:
- The security fixes in RHSA-2004-687 to the "unserializer" code introduced
some performance issues.
- In the gd extension, the "imagecopymerge" function did not correctly
handle transparency. The original image was being obscured in the
- In the curl extension, safe mode was not enforced for 'file:///' URL
Users of PHP should upgrade to these updated packages, which contain
backported fixes for these issues.
Solution : http://rhn.redhat.com/errata/RHSA-2005-405.html
Threat Level: High
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