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TITLE:
Sun Java JDK / JRE / SDK "doubleValue()" Denial of Service
Vulnerability

SECUNIA ADVISORY ID:
SA43262

VERIFY ADVISORY:
Secunia.com
http://secunia.com/advisories/43262/
Customer Area (Credentials Required)
https://ca.secunia.com/?page=viewadvisory&vuln_id=43262

RELEASE DATE:
2011-02-09

DISCUSS ADVISORY:
http://secunia.com/advisories/43262/#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/43262/

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=43262

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:
Konstantin Preiber has reported a vulnerability in Sun Java, which
can be exploited by malicious people to cause a DoS (Denial of
Service).

The vulnerability is caused due to an error in the "doubleValue()"
method in FloatingDecimal.java when converting
"2.2250738585072012e-308" from a string type to a double precision
binary floating point and can be exploited to cause an infinite
loop.

The vulnerability is reported in the following products:
* Sun JDK and JRE 6 Update 23 and prior.
* Sun JDK 5.0 Update 27 and prior.
* Sun SDK 1.4.2_29 and prior.

SOLUTION:
Apply patch via the FPUpdater tool.

PROVIDED AND/OR DISCOVERED BY:
Konstantin Preiber

ORIGINAL ADVISORY:
Oracle:
http://www.oracle.com/technetwork/topics/security/alert-cve-2010-4476-305811.html

Konstantin Preiber:
http://www.exploringbinary.com/why-volatile-fixes-the-2-2250738585072011e-308-bug/comment-page-1/#comment-4645

OTHER REFERENCES:
Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/

DEEP LINKS:
Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/

EXTENDED DESCRIPTION:
Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/

EXTENDED SOLUTION:
Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/

EXPLOIT:
Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/

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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.
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use those supplied by the vendor.

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