1. Topic:
This is an updated of RHSA-2000:043 that contains further
upgrade instructions.
The rpc.statd daemon in the nfs-utils package shipped in Red Hat
Linux 6.0, 6.1, and 6.2 contains a flaw that could lead to a
remote root break-in.
2. Problem description:
The rpc.statd daemon shipped in Red Hat Linux 6.0, 6.1, and 6.2
contains a flaw that could lead to a remote root break-in.
Version 0.1.9.1 of the nfs-utils package corrects the problem.
Red Hat urges all users running rpc.statd to upgrade to
the new nfs-utils package.
Users should note that in Red Hat Linux 6.0 and 6.1 the rpc.statd
daemon was in the knfsd-clients package. The nfs-utils package
replaces both the knfsd and knfsd-clients packages shipped in
Red Hat Linux 6.0 and 6.1.
On systems running a kernel older than 2.2.16-3, users should
also take this opportunity to upgrade to the latest kernel
release.
3. Bug IDs fixed: (see bugzilla for more information)
N/A -
4. Relevant releases/architectures:
Red Hat Linux 6.0 - i386, alpha, sparc
Red Hat Linux 6.1 - i386, alpha, sparc
Red Hat Linux 6.2 - i386, alpha, sparc
5. RPMs required:
Red Hat Linux 6.2:
sparc:
ftp://updates.redhat.com/6.2/en/os/sparc/nfs-utils-0.1.9.1-1.sparc.rpm
alpha:
ftp://updates.redhat.com/6.2/en/os/alpha/nfs-utils-0.1.9.1-1.alpha.rpm
i386:
ftp://updates.redhat.com/6.2/en/os/i386/nfs-utils-0.1.9.1-1.i386.rpm
sources:
ftp://updates.redhat.com/6.2/en/os/SRPMS/nfs-utils-0.1.9.1-1.src.rpm
6. Solution:
For each RPM for your particular architecture, run:
rpm -Fvh [filename]
where filename is the name of the RPM.
After installing the new nfs-utils package, the rpc.statd service
must be restarted. To do this, run:
/etc/rc.d/init.d/nfslock restart
7. Verification:
MD5 sum Package Name
-------------------------------------------------------------------------
fb038f83f091c8ba3c81d272b19aab0b 6.2/en/os/SRPMS/nfs-utils-0.1.9.1-1.src.rpm
9ffff59f1ac1dbe09694d70abaf356d2 6.2/en/os/alpha/nfs-utils-0.1.9.1-1.alpha.rpm
c8fb4d05baca53e48e94c7759304726f 6.2/en/os/i386/nfs-utils-0.1.9.1-1.i386.rpm
0c32df4230662b6e48251fcb220364d1 6.2/en/os/sparc/nfs-utils-0.1.9.1-1.sparc.rpm
These packages are GPG signed by Red Hat, Inc. for security. Our key
is available at:
http://www.redhat.com/about/contact.html
You can verify each package with the following command:
rpm --checksig filename
If you only wish to verify that each package has not been corrupted or
tampered with, examine only the md5sum with the following command:
rpm --checksig --nogpg filename
Note that you need RPM >= 3.0 to check GnuPG keys.
8. References:
N/A
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