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UNIRAS Brief - 603/05 - Debian - apt-cacher (DSA 772-1)



 
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   UNIRAS (UK Govt CERT) Briefing Notice - 603/05 dated 04.08.05  Time: 10:31
  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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Title
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Debian Security Advisory - apt-cacher (DSA 772-1)


Detail 
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Debian Security Advisory DSA 772-1                     security@xxxxxxxxxx
http://www.debian.org/security/                             Martin Schulze
August 3rd, 2005                        http://www.debian.org/security/faq
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Package        : apt-cacher
Vulnerability  : missing input sanitising
Problem-Type   : remote
Debian-specific: yes
CVE ID         : CAN-2005-1854

Eduard Bloch discovered a bug in apt-cacher, a caching system for
Debian package and source files, that could allow remote attackers to
execute arbitrary commands on the caching host as user www-data.

The old stable distribution (woody) does not contain this package.

For the stable distribution (sarge) this problem has been fixed in
version 0.9.4sarge1.

For the unstable distribution (sid) this problem has been fixed in
version 0.9.10.

We recommend that you upgrade your apt-cacher package.


Upgrade Instructions
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wget url
        will fetch the file for you
dpkg -i file.deb
        will install the referenced file.

If you are using the apt-get package manager, use the line for
sources.list as given below:

apt-get update
        will update the internal database
apt-get upgrade
        will install corrected packages

You may use an automated update by adding the resources from the
footer to the proper configuration.


Debian GNU/Linux 3.1 alias sarge
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  Source archives:

    http://security.debian.org/pool/updates/main/a/apt-cacher/apt-cacher_0.9.4sarge1.dsc
      Size/MD5 checksum:      609 36c17e1638ff520f7abdff90748286b6
    http://security.debian.org/pool/updates/main/a/apt-cacher/apt-cacher_0.9.4sarge1.tar.gz
      Size/MD5 checksum:    50441 cc318d7cf0ced3f497db7b64a80e9544

  Architecture independent components:

    http://security.debian.org/pool/updates/main/a/apt-cacher/apt-cacher_0.9.4sarge1_all.deb
      Size/MD5 checksum:    39092 33c67a2990c5e9c8c52bd20b8ce72816


  These files will probably be moved into the stable distribution on
  its next update.

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For apt-get: deb http://security.debian.org/ stable/updates main
For dpkg-ftp: ftp://security.debian.org/debian-security dists/stable/updates/main
Mailing list: debian-security-announce@xxxxxxxxxxxxxxxx
Package info: `apt-cache show <pkg>' and http://packages.debian.org/<pkg>

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For additional information or assistance, please contact the HELP Desk by 
telephone or Not Protectively Marked information may be sent via 
EMail to: uniras@xxxxxxxxxxxx

Office Hours:
Mon - Fri: 08:30 - 17:00 Hrs
Tel: +44 (0) 870 487 0748 Ext 4511
Fax: +44 (0) 870 487 0749

Outside of Office Hours:
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 Debian 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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