[NEWS] Gecko Table Rebuilding Code Execution

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Gecko Table Rebuilding Code Execution
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SUMMARY

RebuildConsideringRows() is a Gecko function that handles table rows.
Improper input validation allow attackers to execute arbitrary code in
Gecko based products.

DETAILS

Vulnerable Systems:
* Firefox version 1.5 and above
* Firefox version 1.5.0.1 and prior
* Firefox version 1.0 and above
* Firefox version 1.0.7 and prior
* Thunderbird version 1.5 and above
* Thunderbird version 1.5.0.1 and prior
* Thunderbird version 1.0 and above
* Thunderbird version 1.0.7 and prior
* SeaMonkey version 1.0
* Mozilla Suite version 1.7 and above
* Mozilla Suite version 1.7.12 and prior

The specific flaw exists within the routine RebuildConsideringRows()
during the rebuilding of nonsensical table tags. When the Mozilla engine
attempts to fix the malformed table, an attacker is capable of triggering
a memory corruption that can lead to code execution from user-supplied
data.

The vulnerability allow attackers to execute arbitrary code on vulnerable
installations of the Mozilla/Firefox web browser and Thunderbird e-mail
client. User interaction is required to exploit this vulnerability in that
the target must visit a malicious page or open a malicious e-mail.

CVE Information:
<http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-0748>
CVE-2006-0748

Disclosure Timeline:
2006.02.28 - Vulnerability reported to vendor
2006.04.25 - Public release of advisory


ADDITIONAL INFORMATION

The information has been provided by <mailto:zdi-disclosures@xxxxxxxx>
zdi-disclosures.
The original article can be found at:
<http://www.zerodayinitiative.com/advisories/ZDI-06-011.html>
http://www.zerodayinitiative.com/advisories/ZDI-06-011.html



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