LinuxSecurity.com
Share your story
The central voice for Linux and Open Source security news
Home News Topics Advisories HOWTOs Features Newsletters About Register

Welcome!
Sign up!
EnGarde Community
Login
Polls
What is the most important Linux security technology?
 
Advisories
Community
Linux Events
Linux User Groups
Link to Us
Security Center
Book Reviews
Security Dictionary
Security Tips
SELinux
White Papers
Featured Blogs
All About Linux
DanWalsh LiveJournal
Securitydistro
Latest Newsletters
Linux Security Week: April 21st, 2014
Linux Security Week: April 7th, 2014
Subscribe
LinuxSecurity Newsletters
E-mail:
Choose Lists:
About our Newsletters
RSS Feeds
Get the LinuxSecurity news you want faster with RSS
Powered By

  
Red Hat: 'slrn' overflow Print E-mail
User Rating:      How can I rate this item?
Posted by LinuxSecurity.com Team   
RedHat Linux An overflow exists in the article wrapping code for slrn.

---------------------------------------------------------------------
                   Red Hat, Inc. Red Hat Security Advisory

Synopsis:          buffer overflow in slrn
Advisory ID:       RHSA-2001:028-02
Issue date:        2001-03-09
Updated on:        2001-03-13
Product:           Red Hat Linux
Keywords:          slrn wrap overflow
Cross references:  
Obsoletes:         
---------------------------------------------------------------------

1. Topic:

An overflow exists in the slrn pacakge as shipped in Red Hat Linux
7 and Red Hat Linux 6.x, which could possibly lead to remote users
executing arbitrary code as the user running slrn.

It is recommended that all users of slrn update to the fixed packages.
Users of Red Hat Linux 6.0 or 6.1 should use the packages
for Red Hat Linux 6.2.

2. Relevant releases/architectures:

Red Hat Linux 6.2 - alpha, i386, sparc

Red Hat Linux 7.0 - alpha, i386

3. Problem description:

An overflow exists in the article wrapping code for slrn. By
posting a carefully constructed article, it would be theoretically
possible for a remote user to execute arbitrary code as the user
running slrn.

No know *exploits* of this overflow have been reported, but articles
that will cause slrn to crash do exist.

4. Solution:

To update all RPMs for your particular architecture, run:

rpm -Fvh 

where  is a list of the RPMs you wish to upgrade.  Only those
RPMs which are currently installed will be updated.  Those RPMs which are
not installed but included in the list will not be updated.  Note that you
can also use wildcards (*.rpm) if your current directly *only* contains the
desired RPMs.

Please note that this update is also available via Red Hat Network.  Many
people find this an easier way to apply updates.  To use Red Hat Network,
launch the Red Hat Update Agent with the following command:

up2date

This will start an interactive process that will result in the appropriate
RPMs being upgraded on your system.

5. Bug IDs fixed  (http://bugzilla.Red Hat.com/bugzilla for more info):



6. RPMs required:

Red Hat Linux 6.2:

SRPMS: 
ftp://updates.Red Hat.com/6.2/SRPMS/slrn-0.9.6.4-0.6.src.rpm

alpha: 
ftp://updates.Red Hat.com/6.2/alpha/slrn-0.9.6.4-0.6.alpha.rpm 
ftp://updates.Red Hat.com/6.2/alpha/slrn-pull-0.9.6.4-0.6.alpha.rpm

i386: 
ftp://updates.Red Hat.com/6.2/i386/slrn-0.9.6.4-0.6.i386.rpm 
ftp://updates.Red Hat.com/6.2/i386/slrn-pull-0.9.6.4-0.6.i386.rpm

sparc: 
ftp://updates.Red Hat.com/6.2/sparc/slrn-0.9.6.4-0.6.sparc.rpm 
ftp://updates.Red Hat.com/6.2/sparc/slrn-pull-0.9.6.4-0.6.sparc.rpm

Red Hat Linux 7.0:

SRPMS: 
ftp://updates.Red Hat.com/7.0/SRPMS/slrn-0.9.6.4-0.7.src.rpm

alpha: 
ftp://updates.Red Hat.com/7.0/alpha/slrn-0.9.6.4-0.7.alpha.rpm 
ftp://updates.Red Hat.com/7.0/alpha/slrn-pull-0.9.6.4-0.7.alpha.rpm

i386: 
ftp://updates.Red Hat.com/7.0/i386/slrn-0.9.6.4-0.7.i386.rpm 
ftp://updates.Red Hat.com/7.0/i386/slrn-pull-0.9.6.4-0.7.i386.rpm



7. Verification:

MD5 sum                           Package Name
--------------------------------------------------------------------------
df1d6c939fae603944e709fd27eed71b  6.2/SRPMS/slrn-0.9.6.4-0.6.src.rpm
3854e2cee9e299a551d3f6a45f463f05  6.2/alpha/slrn-0.9.6.4-0.6.alpha.rpm
37dce6b561e524f16f3c54f33564cc27  6.2/alpha/slrn-pull-0.9.6.4-0.6.alpha.rpm
81479f270bf2539b665115dabbb2c3d1  6.2/i386/slrn-0.9.6.4-0.6.i386.rpm
e160f67aae0c45e533de818569a64c8d  6.2/i386/slrn-pull-0.9.6.4-0.6.i386.rpm
2d76f003a45504f55afda015f63ad0e2  6.2/sparc/slrn-0.9.6.4-0.6.sparc.rpm
40c5ed228ae52c26a1ca687b7d929177  6.2/sparc/slrn-pull-0.9.6.4-0.6.sparc.rpm
1793d468092db5b40f66b388f5e36a3b  7.0/SRPMS/slrn-0.9.6.4-0.7.src.rpm
01d6a50b5c2817066385d1621c259510  7.0/alpha/slrn-0.9.6.4-0.7.alpha.rpm
ba4c76bad2540e37f8fa5f292a2641ae  7.0/alpha/slrn-pull-0.9.6.4-0.7.alpha.rpm
dd601a7324b5589326a5d92d3d2ee27f  7.0/i386/slrn-0.9.6.4-0.7.i386.rpm
d49c0b47e967bd9abdb7fec655b8e3ff  7.0/i386/slrn-pull-0.9.6.4-0.7.i386.rpm

These packages are GPG signed by Red Hat, Inc. for security.  Our key
is available at:
     http://www.Red Hat.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 

8. References:




Copyright(c) 2000, 2001 Red Hat, Inc.


 
< Prev   Next >
    
Partner

 

Latest Features
Peter Smith Releases Linux Network Security Online
Securing a Linux Web Server
Password guessing with Medusa 2.0
Password guessing as an attack vector
Squid and Digest Authentication
Squid and Basic Authentication
Demystifying the Chinese Hacking Industry: Earning 6 Million a Night
Free Online security course (LearnSIA) - A Call for Help
What You Need to Know About Linux Rootkits
Review: A Practical Guide to Fedora and Red Hat Enterprise Linux - Fifth Edition
Yesterday's Edition
Partner Sponsor

Community | HOWTOs | Blogs | Features | Book Reviews | Networking
 Security Projects |  Latest News |  Newsletters |  SELinux |  Privacy |  Home
 Hardening |   About Us |   Advertise |   Legal Notice |   RSS |   Guardian Digital
(c)Copyright 2014 Guardian Digital, Inc. All rights reserved.