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TUCoPS :: Linux :: General :: hack3156.htm

rsync heap overflow vulnerability ESA-20031204-032



[ESA-20031204-032] 'rsync' heap overflow vulnerability

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+------------------------------------------------------------------------+
| Guardian Digital Security Advisory                   December 04, 2003 |
| http://www.guardiandigital.com                        ESA-20031204-032 | 
|                                                                        |
| Package: rsync                                                         |
| Summary: heap overflow vulnerability                                   |
+------------------------------------------------------------------------+

  EnGarde Secure Linux is an enterprise class Linux platform engineered
  to enable corporations to quickly and cost-effectively build a complete
  and secure Internet presence while preventing Internet threats.

OVERVIEW
- --------
  A heap overflow vulnerability has been discovered in all versions of
  rsync prior to 2.5.7.  This vulnerability, exploitable when rsync is
  being run in "server mode", may allow the attacker to run arbitrary
  code on the compromised server.

  Guardian Digital has backported these fixes to version 2.4.6.

  The Common Vulnerabilities and Exposures project (cve.mitre.org) has
  assigned the name CAN-2003-0962 to this issue.

  Guardian Digital products affected by this issue include:

    EnGarde Secure Community v1.0.1
    EnGarde Secure Community v2
    EnGarde Secure Professional v1.1
    EnGarde Secure Professional v1.2
    EnGarde Secure Professional v1.5

  It is recommended that all users apply this update as soon as possible.

SOLUTION
- --------
  Guardian Digital Secure Network subscribers may automatically update
  affected systems by accessing their account from within the Guardian
  Digital WebTool.

  To modify your GDSN account and contact preferences, please go to:

    https://www.guardiandigital.com/account/ 

  Below are MD5 sums for the updated EnGarde Secure Linux 1.0.1 packages:

    SRPMS/rsync-2.4.6-1.0.7.src.rpm
      MD5 Sum: 0059b139dce38f237019ae64a5dfbd84

    i386/rsync-2.4.6-1.0.7.i386.rpm
      MD5 Sum: 3d6cba56a9ccf244f7078cdfc1704b5d

    i686/rsync-2.4.6-1.0.7.i686.rpm
      MD5 Sum: 68392cd5df92513f75107c037e7c6a29

REFERENCES
- ----------
  Guardian Digital's public key:
    http://ftp.engardelinux.org/pub/engarde/ENGARDE-GPG-KEY 

  rsync's Official Web Site:
    http://rsync.samba.org 

  Guardian Digital Advisories:
    http://infocenter.guardiandigital.com/advisories/ 

  Security Contact: security@guardiandigital.com 

- --------------------------------------------------------------------------
Author: Ryan W. Maple  
Copyright 2003, Guardian Digital, Inc.

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