> If the "trust" option is enabled in the pam_wheel configuration file > and the "use_uid" option is disabled, any local user may spoof the > username returned by getlogin() and gain access to a super-user account > without supplying a password. This security issues is only a risk to Red Hat Enterprise Linux users that are using pam_wheel (which is not a default in Red Hat Linux) and if they are using in a non-default way (not the way shown commented out in the configuration file). Therefore we consider this of minimal risk and have given it a low priority. [this is the same as bug 98020 but for Red Hat Enterprise Linux]
Note that the work around to this issue is to always ensure you use the use_uid option if you are using pam_wheel.
An errata has been issued which should help the problem described in this bug report. This report is therefore being closed with a resolution of ERRATA. For more information on the solution and/or where to find the updated files, please follow the link below. You may reopen this bug report if the solution does not work for you. http://rhn.redhat.com/errata/RHSA-2004-304.html