CVE-2015-5736
HighSummary
The Fortishield.sys driver in Fortinet FortiClient before version 5.2.4 allows local users to execute arbitrary code with kernel privileges by setting the callback function in ioctl calls 0x220024 or 0x220028.
Risk Assessment
Exploitation of this vulnerability could lead to local users gaining control over the system, posing a serious security threat to the organization.
Recommendation
It is recommended to update FortiClient to version 5.2.4 or later to mitigate this vulnerability.
Other vulnerabilities in Fortinet FortiClient
See all- CVE-2015-5737High
The mdare64_48.sys, mdare32_48.sys, mdare32_52.sys, mdare64_52.sys, and Fortishield.sys drivers in Fortinet FortiClient before version 5.2.4 do not properly restrict access to the API for management of processes and the Windows registry. This allows local users to obtain a privileged handle to a PID and possibly have unspecified other impact.
- CVE-2015-5735High
The mdare64_48.sys, mdare32_48.sys, mdare32_52.sys, and mdare64_52.sys drivers in Fortinet FortiClient before version 5.2.4 allow local users to write to arbitrary memory locations via a 0x226108 ioctl call.
Original NVD description (English source)
The Fortishield.sys driver in Fortinet FortiClient before 5.2.4 allows local users to execute arbitrary code with kernel privileges by setting the callback function in a (1) 0x220024 or (2) 0x220028 ioctl call.