Entries by Kyriakos Economou

CVE-2015-7596 through CVE-2015-7598 & CVE-2015-7961 through CVE-2015-7967: SafeNet Authentication Service Agent vulnerabilities

Several SafeNet Authentication Service Agents could allow a local attacker to obtain privilege escalation due to weak ACLs assigned to subdirectories and executable modules of those products. A user with low privileges could modify and/or substitute executable modules which a high privileged user could later execute in their own security context. Further detail A PDF […]

Exploiting a Kernel Paged Pool Buffer Overflow in Avast Virtualization Driver

CVE-2015-8620 We discovered this vulnerability in the Avast Virtualization driver (aswSnx.sys) that handles some of the ‘Sandbox’ and ‘DeepScreen’ functionality of all the Avast Windows products. We initially found this issue in versions 10.x (10.4.2233.1305) of those products and later confirmed that the latest 11.x versions were still affected by this issue up to, and […]

McAfee File Lock Driver – Kernel Memory Leak

CVE: CVE-2015-8772  Vendor: McAfee – Intel Security  Reported by: Kyriakos Economou  Date of Release: 26/01/2016  Date of Fix: N/A  Affected Products: Multiple  Affected Version: McPvDrv.sys v4.6.111.0  Fixed Version: N/A Description: McAfee File Lock Driver does not handle correctly IOCTL_DISK_VERIFY IOCTL requests, which leads to kernel memory leak through specifically crafted IOCTLs. Normally the IOCTL_DISK_VERIFY IOCTL […]