TippingPoint Zero Day Initiative

Oracle Java AtomicReferenceFieldUpdater Type Confusion Remote Code Execution Vulnerability

ZDI-17-056: January 24th, 2017


CVSS Score

Affected Vendors

Affected Products

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 AtomicReferenceFieldUpdater class. Due to insufficient type checking involving this class, it is possible for untrusted code to gain access to privileged methods and properties. An attacker can leverage this vulnerability to execute code under the context of the process.

Vendor Response

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

Disclosure Timeline

    2016-08-30 - Vulnerability reported to vendor
    2017-01-24 - Coordinated public release of advisory


This vulnerability was discovered by: