Symantec Client Security 2.0.1

Multiple format string vulnerabilities in Symantec AntiVirus Corporate Edition 8.1 up to 10.0, and Client Security 1.x up to 3.0, allow local users to execute arbitrary code via format strings in (1) Tamper Protection and (2) Virus Alert Notification messages.

Format string vulnerability in the Real Time Virus Scan service in Symantec AntiVirus Corporate Edition 8.1 up to 10.0, and Client Security 1.x up to 3.0, allows local users to execute arbitrary code via an unspecified vector related to alert notification messages, a different vector than CVE-2006-3454, a "second format string vulnerability" as found by the vendor.

The SAVRT.SYS device driver, as used in Symantec AntiVirus Corporate Edition 8.1 and 9.0.x up to 9.0.3, and Symantec Client Security 1.1 and 2.0.x up to 2.0.3, allows local users to execute arbitrary code via a modified address for the output buffer argument to the DeviceIOControl function.

The SymTDI device driver (SYMTDI.SYS) in Symantec Norton Personal Firewall 2006 9.1.1.7 and earlier, Internet Security 2005 and 2006, AntiVirus Corporate Edition 3.0.x through 10.1.x, and other Norton products, allows local users to cause a denial of service (system crash) by sending crafted data to the driver's \Device file, which triggers invalid memory access, a different vulnerability than CVE-2006-4855.