Advisory Details

May 10th, 2013

Oracle Java MethodHandle Sandbox Bypass Remote Code Execution Vulnerability

ZDI-13-079
ZDI-CAN-1835

CVE ID CVE-2013-2436
CVSS SCORE 9.3, (AV:N/AC:M/Au:N/C:C/I:C/A:C)
AFFECTED VENDORS Oracle
AFFECTED PRODUCTS 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 usage of MethodHandles. The issue lies in the ability to bypass restrictions enforced by restrictReceiver(). An attacker can leverage this vulnerability to execute code under the context of the current process.

ADDITIONAL DETAILS Oracle has issued an update to correct this vulnerability. More details can be found at:
http://www.oracle.com/technetwork/topics/security/javacpuapr2013-1928497.html
DISCLOSURE TIMELINE
  • 2013-03-29 - Vulnerability reported to vendor
  • 2013-05-10 - Coordinated public release of advisory
CREDIT Ben Murphy
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