Red Hat Security Advisory - A buffer overflow has been discovered in all releases of mopd-linux included in the 6.0, 6.1, and 6.2 releases of Powertools. This vulnerability allows long file names to be sent from the client to the server, allowing arbitrary code to be executed.
420df459240f85b3543ea29e1fe11451697d08319af2026f24b5e6462ae314ce
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Red Hat, Inc. Security Advisory
Synopsis: mopd-linux buffer overflow
Advisory ID: RHSA-2000:050-01
Issue date: 2000-08-08
Updated on: 2000-08-08
Product: Red Hat Powertools
Keywords: N/A
Cross references: N/A
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1. Topic:
A buffer overflow has been discovered in all releases of mopd-linux
included in the 6.0, 6.1, and 6.2 releases of Powertools.
2. Relevant releases/architectures:
Red Hat Powertools 6.0 - i386, alpha, sparc
Red Hat Powertools 6.1 - i386, alpha, sparc
Red Hat Powertools 6.2 - i386, alpha, sparc
3. Problem description:
This vulnerability allows long file names to be sent from the client to the
server, causing the buffer overflow.
The server also used filenames supplied from the client directly as a part
of a format string in a syslog function call.
4. Solution:
For each RPM for your particular architecture, run:
rpm -Fvh [filename]
where filename is the name of the RPM.
5. Bug IDs fixed (http://bugzilla.redhat.com/bugzilla for more info):
N/A
6. RPMs required:
Red Hat Powertools 6.2:
sparc:
ftp://updates.redhat.com/powertools/6.2/sparc/mopd-linux-2.5.3-15.sparc.rpm
alpha:
ftp://updates.redhat.com/powertools/6.2/alpha/mopd-linux-2.5.3-15.alpha.rpm
i386:
ftp://updates.redhat.com/powertools/6.2/i386/mopd-linux-2.5.3-15.i386.rpm
sources:
ftp://updates.redhat.com/powertools/6.2/SRPMS/mopd-linux-2.5.3-15.src.rpm
7. Verification:
MD5 sum Package Name
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10f887fdc317e26bf94259a9c05d6212 6.2/SRPMS/mopd-linux-2.5.3-15.src.rpm
2f6bc5399f035de67197ad2d3eb96c03 6.2/alpha/mopd-linux-2.5.3-15.alpha.rpm
e26174dae148d37dbfc78c306cd6daa5 6.2/i386/mopd-linux-2.5.3-15.i386.rpm
8f54499ea64372f17a5707d4615edddc 6.2/sparc/mopd-linux-2.5.3-15.sparc.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 <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>
8. References:
http://www.openbsd.org/security.html#27
Thanks to Matt Power <mhpower@MIT.EDU> for making us aware of this
vulnerability.
Copyright(c) 2000 Red Hat, Inc.