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AUSCERT Security Bulletin
ASB-2009.1015.2
Firefox 3.5 vulnerability
17 July 2009
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AusCERT Security Bulletin Summary
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Product: Firefox 3.5
Operating System: UNIX variants (UNIX, Linux, OSX)
Windows
Impact/Access: Execute Arbitrary Code/Commands -- Remote with User Interaction
Resolution: Mitigation
CVE Names: CVE-2009-2477
Revision History: July 17 2009: Updated patch information
July 16 2009: Initial Release
OVERVIEW
Firefox 3.5 is vulnerable to a code execution vulnerability. [1,2]
IMPACT
Firefox's Just-in-time (JIT) JavaScript compiler has a flaw which
can be exploited by convincing the victim to view a malicious web
page. [1, 2]
MITIGATION
The vendor recommends updating to Firefox 3.5.1, available for
download from their website. [3]
REFERENCES
[1] Mozilla Security Blog
http://blog.mozilla.com/security/2009/07/14/critical-javascript-vulnerability-in-firefox-35/
[2] Firefox 3.5 new exploit - confirmed
http://isc.sans.org/diary.html?storyid=6796&rss
[3] Firefox Browser
http://www.mozilla.org/firefox/
AusCERT has made every effort to ensure that the information contained
in this document is accurate. However, the decision to use the information
described is the responsibility of each user or organisation. The decision to
follow or act on information or advice contained in this security bulletin is
the responsibility of each user or organisation, and should be considered in
accordance with your organisation's site policies and procedures. AusCERT
takes no responsibility for consequences which may arise from following or
acting on information or advice contained in this security bulletin.
If you believe that your computer system has been compromised or attacked in
any way, we encourage you to let us know by completing the secure National IT
Incident Reporting Form at:
http://www.auscert.org.au/render.html?it=3192
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Australian Computer Emergency Response Team
The University of Queensland
Brisbane
Qld 4072
Internet Email: auscert@auscert.org.au
Facsimile: (07) 3365 7031
Telephone: (07) 3365 4417 (International: +61 7 3365 4417)
AusCERT personnel answer during Queensland business hours
which are GMT+10:00 (AEST).
On call after hours for member emergencies only.
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