CVE-2017-16237 : Vulnerability Insights and Analysis
Learn about CVE-2017-16237, an Arbitrary Write vulnerability in Vir.IT eXplorer Anti-Virus driver file (VIAGLT64.SYS) before 8.5.42. Discover impact, affected systems, exploitation, and mitigation steps.
An Arbitrary Write vulnerability has been discovered in the driver file (VIAGLT64.SYS) of Vir.IT eXplorer Anti-Virus prior to version 8.5.42. This vulnerability arises due to the lack of validation of input values received from IOCtl 0x8273007C.
Understanding CVE-2017-16237
In Vir.IT eXplorer Anti-Virus before 8.5.42, the driver file (VIAGLT64.SYS) contains an Arbitrary Write vulnerability because of not validating input values from IOCtl 0x8273007C.
What is CVE-2017-16237?
This CVE refers to an Arbitrary Write vulnerability in the Vir.IT eXplorer Anti-Virus driver file (VIAGLT64.SYS) before version 8.5.42, caused by inadequate validation of input values from IOCtl 0x8273007C.
The Impact of CVE-2017-16237
- Attackers can exploit this vulnerability to write arbitrary data to memory locations, potentially leading to unauthorized system modifications or crashes.
Technical Details of CVE-2017-16237
The following technical details outline the vulnerability and its implications.
Vulnerability Description
The Arbitrary Write vulnerability in VIAGLT64.SYS allows attackers to manipulate memory contents by sending crafted input values through IOCtl 0x8273007C.
Affected Systems and Versions
- Product: Vir.IT eXplorer Anti-Virus
- Versions affected: Prior to 8.5.42
Exploitation Mechanism
- Exploitation involves sending malicious input values through IOCtl 0x8273007C to the driver file, enabling unauthorized data writing to memory.
Mitigation and Prevention
Protect your systems from CVE-2017-16237 with the following mitigation strategies.
Immediate Steps to Take
- Update Vir.IT eXplorer Anti-Virus to version 8.5.42 or later to patch the Arbitrary Write vulnerability.
- Monitor system logs for any suspicious activities that could indicate exploitation attempts.
Long-Term Security Practices
- Implement secure coding practices to validate all input values and prevent similar vulnerabilities in the future.
- Conduct regular security audits and penetration testing to identify and address potential security weaknesses.
Patching and Updates
- Regularly apply security patches and updates provided by the software vendor to ensure protection against known vulnerabilities.