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[SECURITY] Fedora Core 2 Update: cvs-1.11.17-2



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Fedora Update Notification
FEDORA-2004-170
2004-06-11
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Product     : Fedora Core 2
Name        : cvs
Version     : 1.11.17                      
Release     : 2                  
Summary     : A version control system.
Description :
CVS (Concurrent Version System) is a version control system that can
record the history of your files (usually, but not always, source
code). CVS only stores the differences between versions, instead of
every version of every file you have ever created. CVS also keeps a log
of who, when, and why changes occurred.

CVS is very helpful for managing releases and controlling the
concurrent editing of source files among multiple authors. Instead of
providing version control for a collection of files in a single
directory, CVS provides version control for a hierarchical collection
of directories consisting of revision controlled files. These
directories and files can then be combined together to form a software
release.

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Update Information:

While investigating a previously fixed vulnerability, Derek Price
discovered a flaw relating to malformed "Entry" lines which lead to a
missing NULL terminator. The Common Vulnerabilities and Exposures
project (cve.mitre.org) has assigned the name CAN-2004-0414 to this
issue.

Stefan Esser and Sebastian Krahmer conducted an audit of CVS and
fixed a number of issues that may have had security consequences.

Among the issues deemed likely to be exploitable were:

-- a double-free relating to the error_prog_name string
(CAN-2004-0416) -- an argument integer overflow (CAN-2004-0417) --
out-of-bounds writes in serv_notify (CAN-2004-0418).

An attacker who has access to a CVS server may be able to execute
arbitrary code under the UID on which the CVS server is executing.

Users of CVS are advised to upgrade to this updated package, which
updates the cvs package to version 1.11.17, which corrects these
issues.

Red Hat would like to thank Stefan Esser, Sebastian Krahmer, and
Derek Price for auditing, disclosing, and providing patches for these
issues.

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* Thu Jun 10 2004 Nalin Dahyabhai <nalin redhat com> 1.11.17-2

- rebuild

* Thu Jun 10 2004 Nalin Dahyabhai <nalin redhat com> 1.11.17-1

- update to 1.11.17, which includes those last few fixes

* Fri May 28 2004 Nalin Dahyabhai <nalin redhat com>

- add security fix for CAN-2004-0416,CAN-2004-0417,CAN-2004-0418 (Stefan Esser)

* Fri May 28 2004 Robert Scheck 1.11.16-0

- update to 1.11.16 (#124239)

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This update can be downloaded from:
  http://download.fedora.redhat.com/pub/fedora/linux/core/updates/2/

8394af3d65f813a6d2ba0d85afda162d  SRPMS/cvs-1.11.17-2.src.rpm
f0ab2b25a26825b2cad32c721ec03524  i386/cvs-1.11.17-2.i386.rpm
d2c6ae3a92fdf11095155ef9351d2037  i386/debug/cvs-debuginfo-1.11.17-2.i386.rpm
891f66a787aac7fe55b003b1e40c8590  x86_64/cvs-1.11.17-2.x86_64.rpm
f5a363ba2f97142e03169a5e1d3cb588  x86_64/debug/cvs-debuginfo-1.11.17-2.x86_64.rpm

This update can also be installed with the Update Agent; you can
launch the Update Agent with the 'up2date' command.  
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