1.119. krb5-appl

Updated krb5-appl packages that fix one security issue are now available for Red Hat Enterprise Linux 6.
The Red Hat Security Response Team has rated this update as having important security impact. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available from the CVE link(s) associated with each description below.
The krb5-appl packages provide Kerberos-aware telnet, ftp, rcp, rsh, and rlogin clients and servers. While these have been replaced by tools such as OpenSSH in most environments, they remain in use in others.

Security Fix

CVE-2011-1526
It was found that gssftp, a Kerberos-aware FTP server, did not properly drop privileges. A remote FTP user could use this flaw to gain unauthorized read or write access to files that are owned by the root group.
Red Hat would like to thank the MIT Kerberos project for reporting this issue. Upstream acknowledges Tim Zingelman as the original reporter.
All krb5-appl users should upgrade to these updated packages, which contain a backported patch to correct this issue.
Updated krb5-appl packages are now available for Red Hat Enterprise Linux 6.
The krb5-appl package contains Kerberos-aware versions of telnet, ftp, rcp, rsh, and rlogin clients and servers. While these have been replaced by tools such as OpenSSH in most environments, they remain in use in others.
Bug Fix
BZ#632442
kshd, the Kerberos-aware version of rshd, unnecessarily failed if the name of the local user account being accessed was more than 16 characters long. This occurred despite the user name being accepted by klogind, the Kerberos-aware version of rlogind. In this update, kshd was modified to accept user names with the length of up to 32 characters as accepted by klogind.
Users are advised to upgrade to these updated krb5-appl packages, which resolve this issue.