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Advisory:
Mozilla Firefox User Interface Null Pointer Dereference Dispatcher Crash and Remote Denial of Service.
Version Tested: Mozilla 3.0.3 - 1.9.0 Branch (Specifically for Latest Version)
Severity: High
BID:31476
SECUNIA:32040
CVE:2008-4324
Description:
The mozilla firefox is vulnerable to user interface event dispatcher null pointer dereference denial of service attacks. The dispatched event created dynamically leads to firefox crash when it is called directly or in a defined loop with number of generated user interface events.The resultant crash results in
Exception Type: EXC_BAD_ACCESS (SIGBUS)
Exception Codes: KERN_PROTECTION_FAILURE at 0x0000000000000007
Crashed Thread: 0
Thread 0 Crashed: 0 libxpcom_core.dylib nsTArray_base::Length() const + 11
(nsTArray.h:66)
1 libgklayout.dylib
nsContentUtils::GetAccelKeyCandidates(nsIDOMEvent*,
nsTArray&) + 261 (nsContentUtils.cpp:4083)
This security issue is a result of unhandled exception which is a result of null pointer dereference.
Proof of Concept
http://www.secniche.org/moz303/index.html
Detection:
SecNiche confirmed this vulnerability affects Mozilla Firefox on Microsoft Windows XP SP2 platform.The versions tested are:
Mozilla 3.0.3 - 1.9.0 Branch
Disclosure Timeline:
Disclosed: 28 September 2008
Release Date. 28 September ,2008
Vendor Response:
Mozilla confirm this vulnerability..
Credit:
Aditya K Sood
Disclaimer:
The information in the advisory is believed to be accurate at the time of publishing based on currently available information. Use of the information constitutes acceptance for use in an AS IS condition. There is no representation or warranties, either express or implied by or with respect to anything in this document, and shall not be liable for a ny implied warranties of merchantability or fitness for a particular purpose or for any indirect special or consequential damages.
Version Tested: Mozilla 3.0.3 - 1.9.0 Branch (Specifically for Latest Version)
Severity: High
BID:31476
SECUNIA:32040
CVE:2008-4324
Description:
The mozilla firefox is vulnerable to user interface event dispatcher null pointer dereference denial of service attacks. The dispatched event created dynamically leads to firefox crash when it is called directly or in a defined loop with number of generated user interface events.The resultant crash results in
Exception Type: EXC_BAD_ACCESS (SIGBUS)
Exception Codes: KERN_PROTECTION_FAILURE at 0x0000000000000007
Crashed Thread: 0
Thread 0 Crashed: 0 libxpcom_core.dylib nsTArray_base::Length() const + 11
(nsTArray.h:66)
1 libgklayout.dylib
nsContentUtils::GetAccelKeyCandidates(nsIDOMEvent*,
nsTArray
This security issue is a result of unhandled exception which is a result of null pointer dereference.
Proof of Concept
http://www.secniche.org/moz303/index.html
Detection:
SecNiche confirmed this vulnerability affects Mozilla Firefox on Microsoft Windows XP SP2 platform.The versions tested are:
Mozilla 3.0.3 - 1.9.0 Branch
Disclosure Timeline:
Disclosed: 28 September 2008
Release Date. 28 September ,2008
Vendor Response:
Mozilla confirm this vulnerability..
Credit:
Aditya K Sood
Disclaimer:
The information in the advisory is believed to be accurate at the time of publishing based on currently available information. Use of the information constitutes acceptance for use in an AS IS condition. There is no representation or warranties, either express or implied by or with respect to anything in this document, and shall not be liable for a ny implied warranties of merchantability or fitness for a particular purpose or for any indirect special or consequential damages.