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             AUSCERT External Security Bulletin Redistribution

                    ESB-2006.0786 -- [UNIX/Linux][Win]
             New webmin packages fix input validation problems
                              24 October 2006

===========================================================================

        AusCERT Security Bulletin Summary
        ---------------------------------

Product:              Webmin prior to 1.296
                      Usermin prior to 1.226
Publisher:            Debian
Operating System:     UNIX variants (UNIX, Linux, OSX)
                      Windows
Impact:               Execute Arbitrary Code/Commands
                      Access Privileged Data
                      Cross-site Scripting
Access:               Remote/Unauthenticated
CVE Names:            CVE-2006-4542 CVE-2006-3392 CVE-2005-3912

Ref:                  AA-2006.0042

Original Bulletin:    http://www.debian.org/security/2006/dsa-1199

Comment: This advisory references vulnerabilities in products which run on
         platforms other than Debian. It is recommended that administrators
         running Webmin check for an updated version of the software for
         their operating system.
         
         These vulnerabilities are fixed in Webmin 1.300, available at
         http://www.webmin.com/download.html

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Debian Security Advisory DSA-1199-1                security@debian.org
http://www.debian.org/security/                         Noah Meyerhans
October 23, 2006
- - ------------------------------------------------------------------------

Package        : webmin
Vulnerability  : multiple
Problem type   : remote
Debian-specific: no
CVE Id(s)      : CVE-2005-3912 CVE-2006-3392 CVE-2006-4542
BugTraq ID     : 15629 18744 19820
Debian Bug     : 341394 381537 391284

Several vulnerabilities have been identified in webmin, a web-based
administration toolkit.

CVE-2005-3912
	A format string vulnerability in miniserv.pl could allow an
	attacker to cause a denial of service by crashing the
	application or exhausting system resources, and could
	potentially allow arbitrary code execution.

CVE-2006-3392
	Improper input sanitization in miniserv.pl could allow an
	attacker to read arbitrary files on the webmin host by providing
	a specially crafted URL path to the miniserv http server.

CVE-2006-4542
	Improper handling of null characters in URLs in miniserv.pl
	could allow an attacker to conduct cross-site scripting attacks,
	read CGI program source code, list local directories, and
	potentially execute arbirary code.

For the stable distribution (sarge), these problems have been fixed in
version 1.180-3sarge1

Webmin is not included in unstable (sid) or testing (etch), so these
problems are not present.

We recommend that you upgrade your webmin (1.180-3sarge1) 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 3.1 (stable)
- - -------------------

Stable updates are available for alpha, amd64, arm, hppa, i386, ia64, m68k, mips, mipsel, powerpc, s390 and sparc.

Source archives:

  http://security.debian.org/pool/updates/main/w/webmin/webmin_1.180-3sarge1.dsc
    Size/MD5 checksum:      703 5e723deaccb3db60794e0cb385666992
  http://security.debian.org/pool/updates/main/w/webmin/webmin_1.180.orig.tar.gz
    Size/MD5 checksum:  2261496 ff19d5500955302455e517cb2942c9d0
  http://security.debian.org/pool/updates/main/w/webmin/webmin_1.180-3sarge1.diff.gz
    Size/MD5 checksum:    31458 f8fe363e7ccd8fe4072d84cd86a3510e

Architecture independent packages:

  http://security.debian.org/pool/updates/main/w/webmin/webmin-core_1.180-3sarge1_all.deb
    Size/MD5 checksum:  1121200 8fa7064325ded44e7f8dbd226b81d9dd
  http://security.debian.org/pool/updates/main/w/webmin/webmin_1.180-3sarge1_all.deb
    Size/MD5 checksum:  1097552 34d96210d581dde8ffea7be82e0897f4


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

- - ---------------------------------------------------------------------------------
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@lists.debian.org
Package info: `apt-cache show <pkg>' and http://packages.debian.org/<pkg>
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===========================================================================
Australian Computer Emergency Response Team
The University of Queensland
Brisbane
Qld 4072

Internet Email: auscert@auscert.org.au
Facsimile:      (07) 3365 7031
Telephone:      (07) 3365 4417 (International: +61 7 3365 4417)
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===========================================================================

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