55164 : Mozilla Firefox xul.dll nsJSNPRuntime.cpp NPObjWrapper_NewResolve Function Race Condition Arbitrary Code Execution
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Views This Week	Views All Time	Added to OSVDB	Last Modified	Modified (since 2008)	Percent Complete
8	1301	almost 4 years ago	18 days ago	7 times	100%

Timeline

Disclosure Date
2009-06-13

Time to Patch	Time to Vendor Response
78 days	6 days

Description

Mozilla Firefox contains a race condition error. The NPObjWrapper_NewResolve function (nsJSNPRuntime.cpp) in xul.dll may dereference already freed memory when navigating away from a web page while loading a Java applet. This may allow a context-dependent attacker to potentially execute arbitrary code on a user's system.

Classification

Location: Context Dependent
Attack Type: Input Manipulation
Impact: Loss of Integrity
Solution: Upgrade
Exploit: Exploit Private
Disclosure: RBS Confirmed, Vendor Verified, Coordinated Disclosure
OSVDB: Web Related

Solution

Upgrade to Firefox 3.0.11 or higher, as it has been reported to fix this vulnerability. An upgrade is required as there are no known workarounds.

Products

Mozilla Organization	Firefox	3.0.10
		3.0.9
		3.0.8
		3.0.7

References

CVE ID: 2009-1837 (see also: NVD)
Secunia Advisory ID: 34241 35331 35415 35431 35446 35447 35468 35490 51766
Bugtraq ID: 35326
Related OSVDB ID: 55138 55148 55152 55157 55158 55159 55160 55161 55162 55163
Mail List Post: http://archives.neohapsis.com/archives/bugtraq/2009-06/0142.html
Vendor Specific News/Changelog Entry: http://lists.debian.org/debian-security-announce/2009/msg00132.html
http://www.gentoo.org/security/en/glsa/glsa-201301-01.xml
https://bugzilla.mozilla.org/show_bug.cgi?id=486269
https://bugzilla.redhat.com/show_bug.cgi?id=503579
https://lists.ubuntu.com/archives/ubuntu-security-announce/2009-June/000916.html
https://www.redhat.com/archives/fedora-package-announce/2009-June/msg00569.html
https://www.redhat.com/archives/fedora-package-announce/2009-June/msg00570.html
https://www.redhat.com/archives/fedora-package-announce/2009-June/msg00640.html
https://www.redhat.com/archives/fedora-package-announce/2009-June/msg00642.html
Other Advisory URL: http://secunia.com/secunia_research/2009-19/
http://www.vupen.com/english/advisories/2009/1572 [ Link is 404 ]
Vendor Specific Advisory URL: http://slackware.com/security/viewer.php?l=slackware-security&y=2009&m=slackware-security.372468
http://sunsolve.sun.com/search/document.do?assetkey=1-66-264308-1
http://www.mozilla.org/security/announce/2009/mfsa2009-28.html
http://www.novell.com/linux/security/advisories/2009_34_firefox.html
RedHat RHSA: https://rhn.redhat.com/errata/RHSA-2009-1095.html

Tools & Filters

	39372
	5072

Credit

CVSSv2 Score

CVSSv2 Base Score = 9.3
Source: nvd.nist.gov | Generated: 2009-06-15 | Disagree?

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