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Qualcomm Eudora 4.2/4.3 Warning Message Circumvention Vulnerability

Medium

Synopsis

The remote host may be tricked into running an executable file

Description

The remote host is running a version of the Eudora mail client that doesn't properly warn when a user attempts to view an executable attachment. Specifically it doesn't give out warning messages if a user attempts to open a file that doesn't have one of the following extensions: .exe, .com, .bat. So, for example, an attacker can bypass the warnings by using a .lnk file to launch an executable.

Solution

Edit the Eudora.ini file and add lnk to the WarnLaunchExtensions list or upgrade to the latest version