Mandriva Linux Security Advisory – Buffer overflow in Library of Assorted Spiffy Things (LibAST) 0.6.1 and earlier, as used in Eterm and possibly other software, allows local users to execute arbitrary code as the utmp user via a long -X argument.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/43550/MDKSA-2006-029.txt
Source: https://packetstormsecurity.com/files/43550/Mandriva-Linux-Security-Advisory-2006.029.html