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Debian: 'wwwoffle' Improper input handling vulnerability Print E-mail
User Rating:      How can I rate this item?
Posted by LinuxSecurity.com Team   
Debian The web proxy didn'thandle input data with negative Content-Length settings properly whichcauses the processing child to crash.

--------------------------------------------------------------------------
Debian Security Advisory DSA 144-1                     security@debian.org 
http://www.debian.org/security/ Martin Schulze
August 6th, 2002
--------------------------------------------------------------------------

Package        : wwwoffle
Vulnerability  : improper input handling
Problem-Type   : local
Debian-specific: no
CVE Id         : CAN-2002-0818

A problem with wwwoffle has been discovered.  The web proxy didn't
handle input data with negative Content-Length settings properly which
causes the processing child to crash.  It is at this time not obvious
how this can lead to an exploitable vulnerability; however, it's better
to be safe than sorry, so here's an update.

Additionally, in the woody version empty passwords will be treated as
wrong when trying to authenticate.  In the woody version we also
replaced CanonicaliseHost() with the latest routine from 2.7d, offered
by upstream.  This stops bad IPv6 format IP addresses in URLs from
causing problems (memory overwriting, potential exploits).

This problem has been fixed in version 2.5c-10.4 for the old stable
distribution (potato), in version 2.7a-1.2 for the current stable
distribution (woody) and in version 2.7d-1 for the unstable
distribution (sid).

We recommend that you upgrade your wwwoffle packages.

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 2.2 alias potato
---------------------------------

  Source archives:

     http://security.debian.org/pool/updates/main/w/wwwoffle/wwwoffle_2.5c-10.4.dsc
Size/MD5 checksum:      576 be6e528ce89bf62fa43f0df357cc079b
     http://security.debian.org/pool/updates/main/w/wwwoffle/wwwoffle_2.5c-10.4.diff.gz
Size/MD5 checksum:    42169 65906133e7bb10d41cd70f2c828b520a
     http://security.debian.org/pool/updates/main/w/wwwoffle/wwwoffle_2.5c.orig.tar.gz
Size/MD5 checksum:   414642 4f0b9e36537dd39c02bd8a2477740cc5

  Alpha architecture:

     http://security.debian.org/pool/updates/main/w/wwwoffle/wwwoffle_2.5c-10.4_alpha.deb
Size/MD5 checksum:   641192 c4502218021ee68a971ffb66851724f4

  ARM architecture:

     http://security.debian.org/pool/updates/main/w/wwwoffle/wwwoffle_2.5c-10.4_arm.deb
Size/MD5 checksum:   532172 954b2744514ececf82b131c967a3f800

  Intel IA-32 architecture:

     http://security.debian.org/pool/updates/main/w/wwwoffle/wwwoffle_2.5c-10.4_i386.deb
Size/MD5 checksum:   514316 9130724c8fe2d8af0f55acc1876c06a0

  Motorola 680x0 architecture:

     http://security.debian.org/pool/updates/main/w/wwwoffle/wwwoffle_2.5c-10.4_m68k.deb
Size/MD5 checksum:   500890 b4d8f2336053d8926f024422e14f2b3e

  PowerPC architecture:

     http://security.debian.org/pool/updates/main/w/wwwoffle/wwwoffle_2.5c-10.4_powerpc.deb
Size/MD5 checksum:   559134 eaef2555bace43df204ed68ec2264ca6

  Sun Sparc architecture:

     http://security.debian.org/pool/updates/main/w/wwwoffle/wwwoffle_2.5c-10.4_sparc.deb
Size/MD5 checksum:   550050 d1206eec8d49e8407bbe1e8d740e4732


Debian GNU/Linux 3.0 alias woody
--------------------------------

  Source archives:

     http://security.debian.org/pool/updates/main/w/wwwoffle/wwwoffle_2.7a-1.2.dsc
Size/MD5 checksum:      570 20b6fb0e853730d5017cd379973edf13
     http://security.debian.org/pool/updates/main/w/wwwoffle/wwwoffle_2.7a-1.2.diff.gz
Size/MD5 checksum:    71141 521096aefb0c0f5d99d2551ecf9c33ca
     http://security.debian.org/pool/updates/main/w/wwwoffle/wwwoffle_2.7a.orig.tar.gz
Size/MD5 checksum:   846376 53831483996555f8ecd976a02ec5204b

  Alpha architecture:

     http://security.debian.org/pool/updates/main/w/wwwoffle/wwwoffle_2.7a-1.2_alpha.deb
Size/MD5 checksum:  1263622 91fc8cceb39b2ed80c0d4545365e8fb6

  ARM architecture:

     http://security.debian.org/pool/updates/main/w/wwwoffle/wwwoffle_2.7a-1.2_arm.deb
Size/MD5 checksum:  1118162 7e718e3593029df74138d910d1a69e34

  Intel IA-32 architecture:

     http://security.debian.org/pool/updates/main/w/wwwoffle/wwwoffle_2.7a-1.2_i386.deb
Size/MD5 checksum:  1076766 05dbb5274e02807291ca9f5a1b6b0667

  Intel IA-64 architecture:

     http://security.debian.org/pool/updates/main/w/wwwoffle/wwwoffle_2.7a-1.2_ia64.deb
Size/MD5 checksum:  1376094 2f38fe26d02653eb7fa5de8b6aef59b7

  HP Precision architecture:

     http://security.debian.org/pool/updates/main/w/wwwoffle/wwwoffle_2.7a-1.2_hppa.deb
Size/MD5 checksum:  1157098 dc731105d40969a1a17dd50417be13ee

  Motorola 680x0 architecture:

     http://security.debian.org/pool/updates/main/w/wwwoffle/wwwoffle_2.7a-1.2_m68k.deb
Size/MD5 checksum:  1066962 e505d6e42b63dade20a9418136be578b

  Big endian MIPS architecture:

     http://security.debian.org/pool/updates/main/w/wwwoffle/wwwoffle_2.7a-1.2_mips.deb
Size/MD5 checksum:  1170084 5b70d729600f7e21c41daf1adf550cfd

  Little endian MIPS architecture:

     http://security.debian.org/pool/updates/main/w/wwwoffle/wwwoffle_2.7a-1.2_mipsel.deb
Size/MD5 checksum:  1170934 b53381bebd138ba21d630c06021b58a0

  PowerPC architecture:

     http://security.debian.org/pool/updates/main/w/wwwoffle/wwwoffle_2.7a-1.2_powerpc.deb
Size/MD5 checksum:  1150250 fe7fe230aa611ea6c3331bc692286c15

  IBM S/390 architecture:

     http://security.debian.org/pool/updates/main/w/wwwoffle/wwwoffle_2.7a-1.2_s390.deb
Size/MD5 checksum:  1088814 21667f4861c34ab8c720d2a50a84ec27

  Sun Sparc architecture:

     http://security.debian.org/pool/updates/main/w/wwwoffle/wwwoffle_2.7a-1.2_sparc.deb
Size/MD5 checksum:  1146472 65eec1fc427a86a63d3c4ad7f38345d1


  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@lists.debian.org
Package info: `apt-cache show ' and  http://packages.debian.org/




 
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