ZDI-12-037 : Oracle Java Web Start JNLP Double Quote Remote Code Execution Vulnerability

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ZDI-12-037 : Oracle Java Web Start JNLP Double Quote Remote Code
Execution Vulnerability
http://www.zerodayinitiative.com/advisories/ZDI-12-037
February 22, 2012

• – CVE ID:

• – 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 12106.
  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 Webstart. 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 javaws.exe . Java Web Start does not
safely handle double quotes that are placed anywhere except the
beginning of certain property names in JNLP files. As a result, double
quotes can be used to inject arbitrary command-line arguments into a
javaw.exe process. Leveraging this would allow a remote attacker to
execute code under the context of the user.

• – Vendor Response:

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

http://www.oracle.com/technetwork/topics/security/javacpufeb2012-366318.html

• – Disclosure Timeline:
  2011-10-28 - Vulnerability reported to vendor

2012-02-22 - Coordinated public release of advisory

• – Credit:
  This vulnerability was discovered by:

• Chris Ries

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