Oracle Outside In WordPerfect File Processing Remote Code Execution VulnerabilityZDI-12-202: December 21st, 2012
This vulnerability allows remote attackers to execute arbitrary code on vulnerable products utilizing the Oracle Outside In technology. 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 WordPerfect files. When parsing font records the code within vswp5.dll does not validate the datasize value prior to performing arithmetic on it. The result is used to make a heap allocation
that can be undersized which can be leveraged to corrupt memory leading to arbitrary code execution under the context of the user running the application.
Vendor ResponseOracle has issued an update to correct this vulnerability. More details can be found at:
2011-12-19 - Vulnerability reported to vendor
2012-12-21 - Coordinated public release of advisory
CreditThis vulnerability was discovered by: