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The final version of the CSI 6.0 has been released. 
Find out why this is not just another Patch Management solution: http://secunia.com/blog/325/

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TITLE:
Opera Buffer Overflow and Local File Detection

SECUNIA ADVISORY ID:
SA51331

VERIFY ADVISORY:
Secunia.com
http://secunia.com/advisories/51331/
Customer Area (Credentials Required)
https://ca.secunia.com/?page=viewadvisory&vuln_id=51331

RELEASE DATE:
2012-11-20

DISCUSS ADVISORY:
http://secunia.com/advisories/51331/#comments

AVAILABLE ON SITE AND IN CUSTOMER AREA:
 * Last Update
 * Popularity
 * Comments
 * Criticality Level
 * Impact
 * Where
 * Solution Status
 * Operating System / Software
 * CVE Reference(s)

http://secunia.com/advisories/51331/

ONLY AVAILABLE IN CUSTOMER AREA:
 * Authentication Level
 * Report Reliability
 * Secunia PoC
 * Secunia Analysis
 * Systems Affected
 * Approve Distribution
 * Remediation Status
 * Secunia CVSS Score
 * CVSS

https://ca.secunia.com/?page=viewadvisory&vuln_id=51331

ONLY AVAILABLE WITH SECUNIA CSI AND SECUNIA PSI:
 * AUTOMATED SCANNING

http://secunia.com/vulnerability_scanning/personal/
http://secunia.com/vulnerability_scanning/corporate/wsus_sccm_3rd_third_party_patching/

DESCRIPTION:
A weakness and a vulnerability have been reported in Opera, which can
be exploited by malicious people to disclose certain sensitive
information and compromise a user's system.

1) The vulnerability is caused due to an error when handling HTTP
responses and can be exploited to cause a heap-based buffer
overflow.

Successful exploitation of this vulnerability may allow execution of
arbitrary code.

2) The weakness is caused due to an error when handling error pages
and can be exploited to determine the presence of local files.

The weakness and the vulnerability are reported in versions prior to
12.11.

SOLUTION:
Update to version 12.11.

PROVIDED AND/OR DISCOVERED BY:
Reported by the vendor.

ORIGINAL ADVISORY:
http://www.opera.com/docs/changelogs/unified/1211/
http://www.opera.com/support/kb/view/1036/
http://www.opera.com/support/kb/view/1037/

OTHER REFERENCES:
Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/

DEEP LINKS:
Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/

EXTENDED DESCRIPTION:
Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/

EXTENDED SOLUTION:
Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/

EXPLOIT:
Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/

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About:
This Advisory was delivered by Secunia as a free service to help
private users keeping their systems up to date against the latest
vulnerabilities.

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Please Note:
Secunia recommends that you verify all advisories you receive by
clicking the link.
Secunia NEVER sends attached files with advisories.
Secunia does not advise people to install third party patches, only
use those supplied by the vendor.

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