Fuji Electric V-Server VPR File Parsing Heap-based Buffer Overflow Remote Code Execution Vulnerability
Vulnerability Details
This vulnerability allows remote attackers to execute arbitrary code on affected 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 processing of VPR files. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a heap-based buffer. An attacker can leverage this vulnerability to execute code in the context of the current process.
Additional Details
Fuji Electric has issued an update to correct this vulnerability. More details can be found at:
https://www.us-cert.gov/ics/advisories/icsa-19-311-02
Disclosure Timeline
- 2019-07-11 - Vulnerability reported to vendor
- 2019-11-11 - Coordinated public release of advisory
Credit
kimiya of 9SG
