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Zero Day Initiative Advisory 12-197

Zero Day Initiative Advisory 12-197
Posted Dec 22, 2012
Authored by Tipping Point | Site zerodayinitiative.com

Zero Day Initiative Advisory 12-197 - 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 specific flaw exists within the java.beans.Expression class. Due to unsafe handling of reflection of privileged classes inside the Expression class it is possible for untrusted code to gain access to privileged methods and properties. This can result in remote code execution under the context of the current process.

tags | advisory, java, remote, arbitrary, code execution
advisories | CVE-2012-1682
MD5 | 132ba214535b200f9973186aaa773eb2

Zero Day Initiative Advisory 12-197

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ZDI-12-197 : Oracle Java java.beans.Statement Remote Code Execution
Vulnerability
http://www.zerodayinitiative.com/advisories/ZDI-12-197
December 21, 2012

- -- CVE ID:
CVE-2012-1682

- -- CVSS:
9, AV:N/AC:L/Au:N/C:P/I:P/A:C

- -- Affected Vendors:
Oracle

- -- Affected Products:
Oracle Java Runtime

- -- 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 specific flaw exists within the java.beans.Expression class. Due to
unsafe handling of reflection of privileged classes inside the Expression
class it is possible for untrusted code to gain access to privileged
methods and properties. This can result in remote code execution under the
context of the current 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/alert-cve-2012-4681-18357
15.html


- -- Disclosure Timeline:
2012-07-24 - Vulnerability reported to vendor
2012-12-21 - Coordinated public release of advisory

- -- Credit:
This vulnerability was discovered by:
* James Forshaw (tyranid)


- -- About the Zero Day Initiative (ZDI):
Established by TippingPoint, The Zero Day Initiative (ZDI) represents
a best-of-breed model for rewarding security researchers for responsibly
disclosing discovered vulnerabilities.

Researchers interested in getting paid for their security research
through the ZDI can find more information and sign-up at:

http://www.zerodayinitiative.com

The ZDI is unique in how the acquired vulnerability information is
used. TippingPoint does not re-sell the vulnerability details or any
exploit code. Instead, upon notifying the affected product vendor,
TippingPoint provides its customers with zero day protection through
its intrusion prevention technology. Explicit details regarding the
specifics of the vulnerability are not exposed to any parties until
an official vendor patch is publicly available. Furthermore, with the
altruistic aim of helping to secure a broader user base, TippingPoint
provides this vulnerability information confidentially to security
vendors (including competitors) who have a vulnerability protection or
mitigation product.

Our vulnerability disclosure policy is available online at:

http://www.zerodayinitiative.com/advisories/disclosure_policy/

Follow the ZDI on Twitter:

http://twitter.com/thezdi

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