Cisco AnyConnect Secure Mobility Client 4.3.00748

A vulnerability in Cisco AnyConnect Secure Mobility Client for Windows could allow an authenticated, local attacker to install and execute an arbitrary executable file with privileges equivalent to the Microsoft Windows operating system SYSTEM account. More Information: CSCvb68043. Known Affected Releases: 4.3(2039) 4.3(748). Known Fixed Releases: 4.3(4019) 4.4(225).

A vulnerability in the Start Before Logon (SBL) module of Cisco AnyConnect Secure Mobility Client Software for Windows could allow an unauthenticated, local attacker to open Internet Explorer with the privileges of the SYSTEM user. The vulnerability is due to insufficient implementation of the access controls. An attacker could exploit this vulnerability by opening the Internet Explorer browser. An exploit could allow the attacker to use Internet Explorer with the privileges of the SYSTEM user. This may allow the attacker to execute privileged commands on the targeted system. This vulnerability affects versions prior to released versions 4.4.00243 and later and 4.3.05017 and later. Cisco Bug IDs: CSCvc43976.

Cisco AnyConnect Secure Mobility Client before 4.2.05015 and 4.3.x before 4.3.02039 mishandles pathnames, which allows local users to gain privileges via a crafted INF file, aka Bug ID CSCuz92464.