ZDI-11-085: Oracle Java XGetSamplePtrFromSnd Remote Code Execution Vulnerability

http://www.zerodayinitiative.com/advisories/ZDI-11-085

February 15, 2011

-- CVE ID:
CVE-2010-4462

-- CVSS:
7.5, (AV:N/AC:L/Au:N/C:P/I:P/A:P)

-- Affected Vendors:
Oracle

-- Affected Products:
Oracle Java Runtime

-- TippingPoint(TM) IPS Customer Protection:
TippingPoint IPS customers have been protected against this
vulnerability by Digital Vaccine protection filter ID 10626. 
For further product information on the TippingPoint IPS, visit:

    http://www.tippingpoint.com

-- Vulnerability Details:
This vulnerability allows remote attackers to execute arbitrary code on
vulnerable installations of Oracle Java. User interaction is required to
exploit this vulnerability in that the target must visit a malicious
page or open a malicious file.

The flaw exists within jsound!XGetSamplePtrFromSnd. When extracting a
sample from a soundbank stream user supplied data is used to calculate
the bounds of a call to PV_Swap16BitSamples. By supplying a specially
crafted sound file, a remote attacker can exploit this vulnerability to
execute arbitrary code under the context of the process.

-- Vendor Response:
Oracle has issued an update to correct this vulnerability. More
details can be found at:

http://www.oracle.com/technetwork/topics/security/javacpufeb2011-304611.html

-- Disclosure Timeline:
2010-09-23 - Vulnerability reported to vendor
2011-02-15 - Coordinated public release of advisory

-- Credit:
This vulnerability was discovered by:
    * binaryproof

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