Unspecified vulnerability in NWFS.SYS in Novell Client for Windows 4.91 SP4 has unknown impact and attack vectors, possibly related to IOCTL requests that overwrite arbitrary memory.

Novell Challenge Response Client (LCM) 2.7.5 and earlier, as used with Novell Client for Windows 4.91 SP4, allows users with physical access to a locked system to obtain contents of the clipboard by pasting the contents into the Challenge Question field.