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Opera Multiple Vulnerabilities
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Secunia Advisory:
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SA28169
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Release Date:
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2007-12-19
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Last Update:
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2008-05-29
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Popularity:
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11,296 views
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Critical:
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Highly critical
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Impact:
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Security Bypass
Exposure of sensitive information
System access
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Where:
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From remote
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Solution Status:
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Vendor Patch
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| Software: | Opera 5.x
Opera 6.x
Opera 7.x
Opera 8.x
Opera 9.x
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| CVE reference: | CVE-2007-6520
CVE-2007-6521
CVE-2007-6522
CVE-2007-6524
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Description:
Some vulnerabilities have been reported in Opera, which can be exploited by malicious people to bypass certain security restrictions, disclose sensitive information, and compromise a user's system.
1) An unspecified error can be exploited via certain plugins to conduct cross-domain scripting attacks.
2) A boundary error exists in the processing of "Subject Alternative Name" TLS extensions. This can be exploited to cause a heap-based buffer overflow via an overly long "Subject Alternative Name" included in a malicious TLS certificate.
3) An unspecified error within Rich text editing when using designMode can be exploited to conduct cross-domain scripting attacks.
4) An error within the processing of color palettes within bitmaps can be exploited to disclose the contents of random memory areas.
The vulnerabilities are reported in versions prior to 9.25.
Solution:
Update to version 9.25.
http://www.opera.com/download/
Provided and/or discovered by:
1, 3) The vendor credits David Bloom.
2) The vendor credits Alexander Klink, Cynops GmbH.
4) Gynvael Coldwind.
Changelog:
2007-12-27: Added CVE reference.
2008-02-18: Updated vulnerability #4. Added link to "Original Advisory" section.
2008-05-29: Updated vulnerability #2. Added link to "Original Advisory" section.
Original Advisory:
Opera:
http://www.opera.com/docs/changelogs/windows/925/#security
http://www.opera.com/support/search/view/875/
Gynvael Coldwind:
http://vexillium.org/?sec-ff
Cynops GmbH:
https://www.cynops.de/advisories/CVE-2007-6521.txt
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About this Secunia Advisory
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Please note: The information that this Secunia Advisory is based on comes from a third party unless stated otherwise.
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