Fuji Electric V-Server VPR File Parsing CArchive Read Untrusted Pointer Dereference Remote Code Execution Vulnerability
Vulnerability Details
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 a user-supplied value prior to dereferencing it as a pointer. An attacker can leverage this vulnerability to execute code under the context of the process.
Additional Details
Fuji Electric has issued an update to correct this vulnerability. More details can be found at:
https://ics-cert.us-cert.gov/advisories/ICSA-18-254-01
Disclosure Timeline
- 2018-03-08 - Vulnerability reported to vendor
- 2018-09-12 - Coordinated public release of advisory
- 2018-09-12 - Advisory Updated
Credit
Steven Seeley (mr_me) of Source Incite
