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UNIRAS Brief - 489/04 - Mandrakelinux Security Update Advisory


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   UNIRAS (UK Govt CERT) Briefing Notice - 489/04 dated 09.09.04  Time: 14:30  
  UNIRAS is part of NISCC (National Infrastructure Security Co-ordination Centre)
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  UNIRAS material is also available from its website at www.uniras.gov.uk and
         Information about NISCC is available from www.niscc.gov.uk
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Mandrakelinux Security Update Advisory:MDKSA-2004:090


Due to a Debian bug report, a Denial of Service vulnerability was  discovered in 
the zlib compression library versions 1.2.x, in the inflate() and inflateBack() functions.
Older versions of zlib are  not affected.


                 Mandrakelinux Security Update Advisory  

 Package name:           zlib
 Advisory ID:            
 Date:                   September 7th, 2004

 Affected versions:	 10.0

 Problem Description:

 Due to a Debian bug report, a Denial of Service vulnerability was  discovered in the zlib 
 compression library versions 1.2.x, in the inflate() and inflateBack() functions.
 Older versions of zlib are  not affected.
 Once the updated packages have been installed, all programs linked  against zlib must 
 be restarted for the new packages to take effect. 



 Updated Packages:
 Mandrakelinux 10.0:
 a9299193c467df186f5ec74438b7f39e  10.0/RPMS/zlib1-1.2.1-2.1.100mdk.i586.rpm
 77e1313ce85f26c83f6b994606dceb5a  10.0/RPMS/zlib1-devel-1.2.1-2.1.100mdk.i586.rpm
 bfc9a9419f3c7daf4a226383d6be6ea6  10.0/SRPMS/zlib-1.2.1-2.1.100mdk.src.rpm

 Mandrakelinux 10.0/AMD64:
 954d58fcaa1576278f8c71de40361d72  amd64/10.0/RPMS/zlib1-1.2.1-2.1.100mdk.amd64.rpm
 976edb0aa85913b28ef38b7d5efd2fbd  amd64/10.0/RPMS/zlib1-devel-1.2.1-2.1.100mdk.amd64.rpm
 bfc9a9419f3c7daf4a226383d6be6ea6  amd64/10.0/SRPMS/zlib-1.2.1-2.1.100mdk.src.rpm

 To upgrade automatically use MandrakeUpdate or urpmi.  The verification  of md5 checksums and GPG signatures is performed automatically for you.

 All packages are signed by Mandrakesoft for security.  You can obtain  the GPG public key of the Mandrakelinux Security Team by executing:

  gpg --recv-keys --keyserver pgp.mit.edu 0x22458A98

 You can view other update advisories for Mandrakelinux at:


 If you want to report vulnerabilities, please contact


 Type Bits/KeyID     Date       User ID
 pub  1024D/22458A98 2000-07-10 Linux Mandrake Security Team
  <security linux-mandrake.com>
Version: GnuPG v1.0.7 (GNU/Linux)


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On Call Duty Officer:
Tel: +44 (0) 870 487 0748 and follow the prompts

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UNIRAS wishes to acknowledge the contributions of Mandrake for the information 
contained in this Briefing. 
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This Briefing contains the information released by the original author. Some 
of the information may have changed since it was released. If the vulnerability 
affects you, it may be prudent to retrieve the advisory from the canonical site 
to ensure that you receive the most current information concerning that problem.

Reference to any specific commercial product, process, or service by trade 
name, trademark manufacturer, or otherwise, does not constitute or imply 
its endorsement, recommendation, or favouring by UNIRAS or NISCC.  The views 
and opinions of authors expressed within this notice shall not be used for 
advertising or product endorsement purposes.

Neither UNIRAS or NISCC shall also accept responsibility for any errors 
or omissions contained within this briefing notice. In particular, they shall 
not be liable for any loss or damage whatsoever, arising from or in connection 
with the usage of information contained within this notice.

UNIRAS is a member of the Forum of Incident Response and Security Teams (FIRST) 
and has contacts with other international Incident Response Teams (IRTs) in 
order to foster cooperation and coordination in incident prevention, to prompt 
rapid reaction to incidents, and to promote information sharing amongst its 
members and the community at large. 
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<End of UNIRAS Briefing>

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