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RedHat: 'cups' Buffer overflow vulnerability Print E-mail
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Posted by Team   
RedHat Linux A buffer overflow in the ippRead function of CUPS before version 1.1.14 mayallow attackers to execute arbitrary code via long attribute names orlanguage values.

                   Red Hat, Inc. Red Hat Security Advisory

Synopsis:          Updated cups packages are available
Advisory ID:       RHSA-2002:032-12
Issue date:        2002-02-21
Updated on:        2002-03-13
Product:           Red Hat Powertools
Keywords:          cups buffer overrun size check ipp
Cross references:  

1. Topic:

Updated cups packages which fix a security problem are available.

2. Relevant releases/architectures:

Red Hat Powertools 7.0 - alpha, i386

3. Problem description:

The Common UNIX Printing System, CUPS, provides a portable printing layer.
A buffer overflow in the ippRead function of CUPS before version 1.1.14 may
allow attackers to execute arbitrary code via long attribute names or
language values.

These errata packages upgrade CUPS to version 1.1.14 which is not
vulnerable to this issue.  All users of CUPS should upgrade to these
packages as soon as possible.

The Common Vulnerabilities and Exposures project ( has
assigned the name CAN-2002-0063 to 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 -Uvh [filenames]

where [filenames] is a list of the RPMs you wish to upgrade.  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:


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 for more info):

6. RPMs required:

Red Hat Powertools 7.0:




7. Verification:

MD5 sum                          Package Name
18e7f4e560c1b6b379bf406a6978a573 7.0/en/powertools/SRPMS/cups-1.1.14-5.src.rpm
ebc823b0f537cd2d48ed994420e68ea1 7.0/en/powertools/alpha/cups-1.1.14-5.alpha.rpm
b80875d26efcd414db3936e7ccec2ccf 7.0/en/powertools/alpha/cups-devel-1.1.14-5.alpha.rpm
e7e881cc76957fadaa019e7bc386ef01 7.0/en/powertools/i386/cups-1.1.14-5.i386.rpm
958400dd5e7425be92a97e3f4df03da5 7.0/en/powertools/i386/cups-devel-1.1.14-5.i386.rpm

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

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, 2002 Red Hat, Inc.

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