[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

UNIRAS Brief - 92/04 - Debian Security Advisory DSA 449-1


- ----------------------------------------------------------------------------------
   UNIRAS (UK Govt CERT) Briefing Notice - 92/04 dated 27.02.04  Time: 15:10 
  UNIRAS is part of NISCC (National Infrastructure Security Co-ordination Centre)
- ---------------------------------------------------------------------------------- 
  UNIRAS material is also available from its website at www.uniras.gov.uk and
         Information about NISCC is available from www.niscc.gov.uk
- ----------------------------------------------------------------------------------


DSA 449-1 - New metamail packages fix arbitrary code execution.


Ulf Härnhammar discovered two format string bugs (CAN-2004-0104) and two buffer
overflow bugs (CAN-2004-0105) in metamail, an implementation of MIME.  An 
attacker could create a carefully-crafted mail message which will execute 
arbitrary code as the victim when it is opened and parsed through metamail.

            ESB-2004.0161 -- Debian Security Advisory DSA 449-1
            New metamail packages fix arbitrary code execution
                             25 February 2004

Product:                metamail
Publisher:              Debian
Operating System:       Debian GNU/Linux 3.0
Impact:                 Execute Arbitrary Code/Commands
Access Required:        Remote
CVE Names:              CAN-2004-0104 CAN-2004-0105

Ref:                    ESB-2004.0134

- - --------------------------BEGIN INCLUDED TEXT--------------------

Hash: SHA1

- - - --------------------------------------------------------------------------
Debian Security Advisory DSA 449-1                     security@xxxxxxxxxx
http://www.debian.org/security/                             Martin Schulze
February 24th, 2004                     http://www.debian.org/security/faq
- - - --------------------------------------------------------------------------

Package        : metamail
Vulnerability  : buffer overflow, format string bugs
Problem-Type   : remote
Debian-specific: no
CVE ID         : CAN-2004-0104 CAN-2004-0105

Ulf Härnhammar discovered two format string bugs (CAN-2004-0104) and two buffer overflow bugs (CAN-2004-0105) in metamail, an implementation of MIME.  An attacker could create a carefully-crafted mail message which will execute arbitrary code as the victim when it is opened and parsed through metamail.

We have been devoting some effort to trying to avoid shipping metamail in the future.  It became unmaintainable and these are probably not the last of the vulnerabilities.

For the stable distribution (woody) these problems have been fixed in version 2.7-45woody.2.

For the unstable distribution (sid) these problems will be fixed in version 2.7-45.2.

We recommend that you upgrade your metamail package.

Upgrade Instructions
- - - --------------------

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 3.0 alias woody
- - - --------------------------------

  Source archives:

      Size/MD5 checksum:      613 eb8246a16fb3e6dbbd80247b53ae8153
      Size/MD5 checksum:   333224 532b053589bc1038ea55d340ab93ee6e
      Size/MD5 checksum:   156656 c6967e9bc5d3c919764b02df24efca01

  Alpha architecture:

      Size/MD5 checksum:   165818 92127db2f58390fdbb168c9cf2ccc2ce

  ARM architecture:

      Size/MD5 checksum:   153160 72b8d81c7c4a9027b508c45fd5d8b39e

  Intel IA-32 architecture:

      Size/MD5 checksum:   150252 2f3905d2923d8ecded2df290762b3c56

  Intel IA-64 architecture:

      Size/MD5 checksum:   205530 8cfce92a64a7df4c9630f3214aafc9e7

  HP Precision architecture:

      Size/MD5 checksum:   153204 4e49ebddf0830708fb30a6cc0bfb064b

  Motorola 680x0 architecture:

      Size/MD5 checksum:   146136 45fe19d01f7f76e394a09264bc2f57fb

  Big endian MIPS architecture:

      Size/MD5 checksum:   158316 1b4ad52779b866c71c06f68f1c62e195

  Little endian MIPS architecture:

      Size/MD5 checksum:   158310 97c128e30297e62459bd9d277c407b33

  PowerPC architecture:

      Size/MD5 checksum:   148476 a7b070e618315e1a45690c701f532435

  IBM S/390 architecture:

      Size/MD5 checksum:   151256 121b87823b2a3e4ead430bd4c165526e

  Sun Sparc architecture:

      Size/MD5 checksum:   155234 24e5afafa0c3eb18540267e12651a337

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

- - - ---------------------------------------------------------------------------------
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>

Version: GnuPG v1.2.4 (GNU/Linux)

- - -----END PGP SIGNATURE-----

- ----------------------------------------------------------------------------------

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) 20 7821 1330 Ext 4511
Fax: +44 (0) 20 7821 1686

Outside of Office Hours:
On Call Duty Officer:
Tel: +44 (0) 20 7821 1330 and follow the prompts

- ----------------------------------------------------------------------------------
UNIRAS wishes to acknowledge the contributions of Debian for the information 
contained in this Briefing. 
- ----------------------------------------------------------------------------------
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. 
- ----------------------------------------------------------------------------------
<End of UNIRAS Briefing>

Version: PGP 8.0