70607 : PHP Zend Engine Multiple Method Object Reference Access Use-after-free DoS
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Views This Week	Views All Time	Added to OSVDB	Last Modified	Modified (since 2008)	Percent Complete
7	1118	over 2 years ago	7 months ago	5 times	100%

Timeline

Disclosure Date
2010-09-18

Description

PHP contains a flaw that may allow a context-dependent denial of service. The issue is triggered when a use-after-free error in the Zend engine occurs, allowing a context-dependent attacker to use vectors related to the '__set', '__get', '__isset' and '__unset' methods to cause a denial of service, or possibly have other unspecified impact.

Classification

Location: Local / Remote, Context Dependent
Attack Type: Denial of Service, Input Manipulation
Impact: Loss of Availability
Solution: Upgrade
Exploit: Exploit Unknown
Disclosure: Vendor Verified

Solution

Upgrade to version 5.2.15, 5.3.4 or higher, as it has been reported to fix this vulnerability. An upgrade is required as there are no known workarounds.

Products

The PHP Group	PHP	5.2.14
		5.3.3

References

CVE ID: 2010-4697 (see also: NVD)
Secunia Advisory ID: 43929 43939 44405 46358 48737 48802
Vendor Specific News/Changelog Entry: http://bugs.php.net/52879
http://security.gentoo.org/glsa/glsa-201110-06.xml
http://www.php.net/ChangeLog-5.php
Vendor Specific Advisory URL: http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c03281867
http://support.f5.com/kb/en-us/solutions/public/13000/500/sol13519.html
http://www.ubuntu.com/usn/usn-1126-1/
http://www.ubuntu.com/usn/usn-1126-2/
https://hermes.opensuse.org/messages/7796412
https://hermes.opensuse.org/messages/7801177
Packet Storm: http://packetstormsecurity.org/files/111919/HP-Security-Bulletin-HPSBOV02763-SSRT100826.html
Mail List Post: http://seclists.org/bugtraq/2012/Apr/113
http://seclists.org/fulldisclosure/2011/Oct/483
Vendor URL: http://www.php.net

Tools & Filters

	51139

Credit

Ben Schmidt

CVSSv2 Score

CVSSv2 Base Score = 6.8
Source: nvd.nist.gov | Generated: 2011-01-19 | Disagree?

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