Date: Thu, 28 Oct 1999 12:35:00 -0400
From: Bill Nottingham <<a
href=”mailto:notting@redhat.com”>notting@redhat.com>
Red Hat, Inc. Security Advisory
Synopsis: security problems with ypserv
Advisory ID: RHSA-1999:046-01
Issue date: 1999-10-27
Updated on: 1999-10-27
Keywords:
Cross references: ypserv yppasswdd rpc.yppasswdd
1. Topic:
The ypserv package, which contains the ypserv NIS server and the
yppasswdd password-change server, has been discovered to have
security holes.
2. Problem description:
With ypserv, local administrators in the NIS domain could
possibly inject password tables. In rpc.yppasswdd, users could
change GECOS and login shells of other users, and there is a buffer
overflow in the md5 hash generation.
It is recommended that all users of the ypserv package upgrade
to the new packages.
3. Bug IDs fixed (http://developer.redhat.com/bugzilla
for more info):
4. Relevant releases/architectures:
Red Hat Linux 4.x, all architectures
Red Hat Linux 5.x, all architectures
Red Hat Linux 6.x, all architectures
5. Obsoleted by:
6. Conflicts with:
7. RPMs required:
Red Hat Linux 4.x:
Intel:
ftp://updates.redhat.com/4.2/i386/ypserv-1.3.9-0.4.2.i386.rpm
Alpha:
ftp://updates.redhat.com/4.2/alpha/ypserv-1.3.9-0.4.2.alpha.rpm
Sparc:
ftp://updates.redhat.com/4.2/sparc/ypserv-1.3.9-0.4.2.sparc.rpm
Source packages:
ftp://updates.redhat.com/4.2/SRPMS/ypserv-1.3.9-0.4.2.src.rpm
Red Hat Linux 5.x:
Intel:
ftp://updates.redhat.com/5.2/i386/ypserv-1.3.9-0.5.2.i386.rpm
Alpha:
ftp://updates.redhat.com/5.2/alpha/ypserv-1.3.9-0.5.2.alpha.rpm
Sparc:
ftp://updates.redhat.com/5.2/sparc/ypserv-1.3.9-0.5.2.sparc.rpm
Source packages:
ftp://updates.redhat.com/5.2/SRPMS/ypserv-1.3.9-0.5.2.src.rpm
Red Hat Linux 6.x:
Intel:
ftp://updates.redhat.com/6.1/i386/ypserv-1.3.9-1.i386.rpm
Alpha:
ftp://updates.redhat.com/6.0/alpha/ypserv-1.3.9-1.alpha.rpm
Sparc:
ftp://updates.redhat.com/6.0/sparc/ypserv-1.3.9-1.sparc.rpm
Source packages:
ftp://updates.redhat.com/6.1/SRPMS/ypserv-1.3.9-1.src.rpm
8. Solution:
For each RPM for your particular architecture, run:
rpm -Uvh ‘filename’
where filename is the name of the RPM.
9. Verification:
MD5 sum Package Name
d384966683e0c59b7c63d2d0fcba79ce ypserv-1.3.9-0.4.2.i386.rpm
e8e860c754e894b955c2ec3e73bcad8d ypserv-1.3.9-0.4.2.alpha.rpm
19cfbc0bf8ef5ed272243d74020b69df ypserv-1.3.9-0.4.2.sparc.rpm
df131f369bfb64d1b093447168484e38 ypserv-1.3.9-0.4.2.src.rpm
51a38316e72f25b6751ade459728f049 ypserv-1.3.9-0.5.2.i386.rpm
65da86b0b61ae70b82a5b3fe17b77803 ypserv-1.3.9-0.5.2.alpha.rpm
2956fc958456d5a91d697043932266bd ypserv-1.3.9-0.5.2.sparc.rpm
dda2d28bb89cddb9ecb4409778a548f9 ypserv-1.3.9-0.5.2.src.rpm
c1a566b7535bb51e25d9c1743f822682 ypserv-1.3.9-1.i386.rpm
a8f5a82d450ddb2b42068537859c18ae ypserv-1.3.9-1.alpha.rpm
6759503c9cc688bcd1902f6511ecc60a ypserv-1.3.9-1.sparc.rpm
f7e8b5a241c4e873822c83be2f0cf566 ypserv-1.3.9-1.src.rpm
These packages are GPG signed by Red Hat, Inc. for security. Our
key is available at: http://www.redhat.com/corp/contact.html
You can verify each package with the following command:
rpm –checksig
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
10. References:
<19991024163423.6665A67B0@Galois.suse.de>:
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