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4.364. ypserv
An updated ypserv package that fixes two bugs and adds one enhancement is now available for Red Hat Enterprise Linux 6.
The ypserv utility provides network information (login names, passwords, home directories, group information) to all of the machines on a network. It can enable users to log in on any machine on the network as long as the machine has the Network Information Service (NIS) client programs running and the user's password is recorded in the NIS passwd database. NIS was formerly known as Sun Yellow Pages (YP).
Bug Fixes
- BZ#699675
- Uninitialized memory could be accessed when running the "yppasswdd" command with the "-x" option to pass data to an external program. As a consequence, redundant characters were prefixed to the request string, which led to incorrect parsing of the request. This update fixes the memory initialization and the request can be now parsed successfully.
- BZ#734494
- Prior to this update, the root user could see old passwords of other users. This was caused by a change request being logged using syslog when running the "yppaswdd" command with the "-x" option to pass data to an external program. With this update, the old password hash and the new password hash are cleared in syslog and the root user can no longer view the old passwords of other users.
Enhancement
- BZ#699667
- Prior to this update, users were not able to change their passwords by running the "yppasswd" command if using the passwd.adjunct file, which prevents disclosing the encrypted passwords. With this update, users are now able to change their passwords.
All users of ypserv are advised to upgrade to this updated package, which fixes these bugs and adds this enhancement.
