Fuji Electric V-Server VPR File Parsing CArchive Read Heap-based Buffer Overflow Remote Code Execution Vulnerability

2018-09-12T00:00:00
ID ZDI-18-1013
Type zdi
Reporter Steven Seeley (mr_me) of Source Incite
Modified 2018-06-22T00:00:00

Description

This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Fuji Electric V-Server. 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 parsing of a VPR file. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length heap-based buffer. An attacker can leverage this vulnerability to execute code under the context of the process.