SRC-2016-0026 : Foxit Reader JPXDecode Out-of-Bounds Read Remote Code Execution Vulnerability
This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Foxit Reader. 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 JPXDecode PDF streams. A specially crafted PDF with a JPXDecode stream can force a Out-of-Bounds Read condition which can be used to later write Out-of-Bounds. An attacker can leverage this vulnerability to execute arbitrary code under the context of the current process.
Foxit has issued an update to correct this vulnerability. More details can be found at:
- 2016-07-25 – Vulnerability reported to vendor
- 2016-07-25 – Vulnerability confirmed by the vendor
- 2016-08-08 – Coordinated public release of advisory
Proof of Concept:
This vulnerability was discovered by Steven Seeley of Source Incite