Protect yourself against future threats.
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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
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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
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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.
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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@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
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