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Test ID:1.3.6.1.4.1.25623.1.0.52076
Category:Ubuntu Local Security Checks
Title:Ubuntu 4.10 USN-112-1 (php4)
Summary:Ubuntu 4.10 USN-112-1 (php4)
Description:
The remote host is missing an update to php4
announced via advisory USN-112-1.

An integer overflow was discovered in the exif_process_IFD_TAG()
function in PHP4's EXIF module. EXIF tags with a specially crafted
Image File Directory (IFD) tag caused a buffer overflow which could
have been exploited to execute arbitrary code with the privileges of
the PHP4 server. (CVE-2005-1042)

The same module also contained a Denial of Service vulnerability. EXIF
headers with a large IFD nesting level caused an unbound recursion
which would eventually overflow the stack and cause the executed
program to crash. (CVE-2005-1043)

In web applications that automatically process EXIF tags of uploaded
images, both vulnerabilities could be exploited remotely.

The following packages are affected:

libapache2-mod-php4
php4-cgi

Solution:
The problem can be corrected by upgrading the affected package to
version 4:4.3.8-3ubuntu7.8. After performing a standard system upgrade
you need to reload the PHP module in the webserver by executing

sudo /etc/init.d/apache2 reload

to effect the necessary changes.

http://www.securityspace.com/smysecure/catid.html?in=USN-112-1

Risk factor : High
Cross-Ref: Common Vulnerability Exposure (CVE) ID: CVE-2005-1042
http://lists.apple.com/archives/security-announce/2005/Jun/msg00000.html
http://www.gentoo.org/security/en/glsa/glsa-200504-15.xml
http://www.mandriva.com/security/advisories?name=MDKSA-2005:072
http://www.redhat.com/support/errata/RHSA-2005-405.html
http://www.redhat.com/support/errata/RHSA-2005-406.html
http://www.ubuntulinux.org/support/documentation/usn/usn-112-1
http://oval.mitre.org/repository/data/getDef?id=oval:org.mitre.oval:def:10822
Common Vulnerability Exposure (CVE) ID: CVE-2005-1043
http://oval.mitre.org/repository/data/getDef?id=oval:org.mitre.oval:def:10307
CopyrightCopyright (c) 2005 E-Soft Inc. http://www.securityspace.com

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