Adobe Reader DC XSLT value-of Out-Of-Bounds Write Remote Code Execution VulnerabilityZDI-16-422: July 12th, 2016
TippingPoint™ IPS Customer ProtectionTippingPoint IPS customers are protected against this vulnerability by Digital Vaccine protection filter ID 24597. For further product information on the TippingPoint IPS:
This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Adobe Reader DC. 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 handling of XPath expressions. A PDF document with a specific value-of element and an XPath expression can force Adobe Reader DC to write values past the end of an allocated object. An attacker can leverage this vulnerability to execute arbitrary code under the context of the current process.
Vendor ResponseAdobe has issued an update to correct this vulnerability. More details can be found at:
2016-04-28 - Vulnerability reported to vendor
2016-07-12 - Coordinated public release of advisory
CreditThis vulnerability was discovered by:
Sun Zhihao and Liu Yang of Nanyang Technological University