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                   Red Hat Security Advisory

Synopsis:          Updated gtkhtml packages fix vulnerability
Advisory ID:       RHSA-2003:264-01
Issue date:        2003-09-09
Updated on:        2003-09-09
Product:           Red Hat Linux
Keywords:          
Cross references:  
Obsoletes:         RHSA-2003:126
CVE Names:         CAN-2003-0541
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1. Topic:

Updated gtkhtml packages that fix a null pointer dereference are now available.

2. Relevant releases/architectures:

Red Hat Linux 7.3 - i386
Red Hat Linux 8.0 - i386
Red Hat Linux 9 - i386

3. Problem description:

GtkHTML is the HTML rendering widget used by the Evolution mail reader. 

Versions of GtkHTML prior to 1.1.10 contain a bug when handling HTML
messages.  Alan Cox discovered that certain malformed messages could cause
the Evolution mail component to crash due to a null pointer dereference in
the GtkHTML library.  The Common Vulnerabilities and Exposures project
(cve.mitre.org) has assigned the name CAN-2003-0541 to this issue.

Users of Evolution are advised to upgrade to these erratum packages, which
contain GtkHTML version 1.1.10 correcting this issue.

Red Hat would like to thank the Ximian security team for investigating and
fixing this issue.

4. Solution:

Before applying this update, make sure all previously released errata
relevant to your system have been applied.

To update all RPMs for your particular architecture, run:

rpm -Fvh [filenames]

where [filenames] 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 directory *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.

If up2date fails to connect to Red Hat Network due to SSL Certificate 
Errors, you need to install a version of the up2date client with an updated 
certificate.  The latest version of up2date is available from the Red Hat 
FTP site and may also be downloaded directly from the RHN website:

https://rhn.redhat.com/help/latest-up2date.pxt

5. RPMs required:

Red Hat Linux 7.3:

SRPMS:
ftp://updates.redhat.com/7.3/en/os/SRPMS/gtkhtml-1.0.2-1.1.src.rpm

i386:
ftp://updates.redhat.com/7.3/en/os/i386/gtkhtml-1.0.2-1.1.i386.rpm
ftp://updates.redhat.com/7.3/en/os/i386/gtkhtml-devel-1.0.2-1.1.i386.rpm

Red Hat Linux 8.0:

SRPMS:
ftp://updates.redhat.com/8.0/en/os/SRPMS/gtkhtml-1.0.4-3.1.src.rpm

i386:
ftp://updates.redhat.com/8.0/en/os/i386/gtkhtml-1.0.4-3.1.i386.rpm
ftp://updates.redhat.com/8.0/en/os/i386/gtkhtml-devel-1.0.4-3.1.i386.rpm

Red Hat Linux 9:

SRPMS:
ftp://updates.redhat.com/9/en/os/SRPMS/gtkhtml-1.1.9-0.9.1.src.rpm

i386:
ftp://updates.redhat.com/9/en/os/i386/gtkhtml-1.1.9-0.9.1.i386.rpm
ftp://updates.redhat.com/9/en/os/i386/gtkhtml-devel-1.1.9-0.9.1.i386.rpm



6. Verification:

MD5 sum                          Package Name
- --------------------------------------------------------------------------
ef522c1e68fbfe0f0ca30dd492f92c15 7.3/en/os/SRPMS/gtkhtml-1.0.2-1.1.src.rpm
fd859735eb447b91951f0437d70f80ba 7.3/en/os/i386/gtkhtml-1.0.2-1.1.i386.rpm
23fb9ebaa16ce56fa654f0d4b07d4b33 7.3/en/os/i386/gtkhtml-devel-1.0.2-1.1.i386.rpm
23c388db561ce5501d71e830e54dff12 8.0/en/os/SRPMS/gtkhtml-1.0.4-3.1.src.rpm
fa96b2f741be2eef82b7e92320f8e446 8.0/en/os/i386/gtkhtml-1.0.4-3.1.i386.rpm
28cb3e1ae90ff3871c21bcf84e2f29e4 8.0/en/os/i386/gtkhtml-devel-1.0.4-3.1.i386.rpm
d4b46f1f6c36d5209e6578ece270e3b6 9/en/os/SRPMS/gtkhtml-1.1.9-0.9.1.src.rpm
a392b6bcca7ae45fe60a2e493236eae4 9/en/os/i386/gtkhtml-1.1.9-0.9.1.i386.rpm
b8a1e111dd039723fb01dc1d983e9d73 9/en/os/i386/gtkhtml-devel-1.1.9-0.9.1.i386.rpm


These packages are GPG signed by Red Hat for security.  Our key is
available from https://www.redhat.com/security/keys.html

You can verify each package with the following command:
    
    rpm --checksig -v <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:
    
    md5sum <filename>


7. References:

http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2003-0541

8. Contact:

The Red Hat security contact is <secalert@redhat.com>.  More contact
details at https://www.redhat.com/solutions/security/news/contact.html

Copyright 2003 Red Hat, Inc.
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