expect before 5.32 searches for its libraries in /var/tmp before other directories, which could allow local users to gain root privileges via a Trojan horse library that is accessed by mkpasswd.
https://exchange.xforce.ibmcloud.com/vulnerabilities/6870
https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=28224
https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=22187
http://www.securityfocus.com/bid/3074
http://www.redhat.com/support/errata/RHSA-2002-148.html
http://www.mandrakesoft.com/security/advisories?name=MDKSA-2002:060
http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000409