Debian Security Advisory DSA 493-1                     security@debian.org 
Debian -- Security Information                              Martin Schulze
April 21st, 2004                         Debian -- Debian security FAQ 
- --------------------------------------------------------------------------

Package        : xchat
Vulnerability  : buffer overflow
Problem-Type   : remote
Debian-specific: no
CVE ID         : CAN-2004-0409
Debian Bug     : 244184

A buffer overflow has been discovered in the Socks-5 proxy code of
XChat, an IRC client for X similar to AmIRC.  This allows an attacker
to execute arbitrary code on the users' machine.

For the stable distribution (woody) this problem has been fixed in
version 1.8.9-0woody3.

For the unstable distribution (sid) this problem has been fixed in
version 2.0.8-1.

We recommend that you upgrade your xchat and related packages.


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:      877 80161873b2e115faa33cd38000645dce
      
      Size/MD5 checksum:    18200 215990506f737d853b23911843a68b41
      
      Size/MD5 checksum:  1310151 05701f0c567ce1ece6577c69f146e6b3

  Architecture independent components:

      
      Size/MD5 checksum:   598110 9a586950e3db6f9ebee14c9637d8d61a

  Alpha architecture:

      
      Size/MD5 checksum:   223084 90b4e3be1d3ef7ec25231e72ebc1130b
      
      Size/MD5 checksum:   229794 d26d9de27c8567e3dffb483c5174df02
      
      Size/MD5 checksum:   122376 3d69e44fff6af517f8f166bb750b6c4a

  ARM architecture:

      
      Size/MD5 checksum:   179850 656145636a317c8ab847183ee68c3337
      
      Size/MD5 checksum:   186350 d25c11fe60901dfdd128e46d5e3e88e1
      
      Size/MD5 checksum:    92846 d207049438e8eaf61a342c69112addec

  Intel IA-32 architecture:

      
      Size/MD5 checksum:   168598 3a9cb05afb7a7e4c7c77d4979aa24470
      
      Size/MD5 checksum:   174968 1bdf20e898c3ee9fd268c1207ed1901c
      
      Size/MD5 checksum:    87394 8d11e3d2a13e73a5c3bc8d1f751244e9

  Intel IA-64 architecture:

      
      Size/MD5 checksum:   289266 7322e0d408f74a9c68eb582db9828585
      
      Size/MD5 checksum:   297118 b70f1cc13747a01d96a266a7d08c00bc
      
      Size/MD5 checksum:   149788 96e423bd9ec333b9a2b106a4c870f8d5

  HP Precision architecture:

      
      Size/MD5 checksum:   207100 71997ea804e37ab7fb6293db978b4ef2
      
      Size/MD5 checksum:   213642 d7987c5011d5bc3611e6464e918c401d
      
      Size/MD5 checksum:   107238 37c42b96721e8f3875a9cd0407c157cc

  Motorola 680x0 architecture:

      
      Size/MD5 checksum:   157760 427f7bb644140e438f5df3768099753d
      
      Size/MD5 checksum:   165064 5447693913028bf26cf7a9c7182a78e2
      
      Size/MD5 checksum:    82208 6229d6b8e40e7ecdf4f98be89211cd55

  Big endian MIPS architecture:

      
      Size/MD5 checksum:   194996 2df78a22d4eb4c730bfe929f885f31eb
      
      Size/MD5 checksum:   200876 eca41c98214dc3f8d99be1efe7edd73c
      
      Size/MD5 checksum:   104438 20f57a03806e1b78d4cb2d2ba9551a13

  Little endian MIPS architecture:

      
      Size/MD5 checksum:   192936 9c93014ec994684379e884e27bcbf602
      
      Size/MD5 checksum:   198400 f60a58cba1bb2f38c9c34a1bfd53a702
      
      Size/MD5 checksum:   103356 2dffd5defbe8bc940eaf9bdace649182

  PowerPC architecture:

      
      Size/MD5 checksum:   184834 8ce64505fe3157d915a7240c0ab5e22a
      
      Size/MD5 checksum:   191582 73971bd2a49f071c3ebeaee72832550d
      
      Size/MD5 checksum:    98256 a3548189c57565b3c5c243870550a26f

  IBM S/390 architecture:

      
      Size/MD5 checksum:   182596 7ad31d7bef7cf4863f7e87f336ffe08a
      
      Size/MD5 checksum:   189590 41cdf6dbb7906474fa757c5a490f05de
      
      Size/MD5 checksum:    94964 ac501925c362d92b1d87fc712bdae944

  Sun Sparc architecture:

      
      Size/MD5 checksum:   180672 1749044dd1a8e02232e086fc660d5654
      
      Size/MD5 checksum:   186952 00a868cd3c240165059d7aeed792ab20
      
      Size/MD5 checksum:    95146 d094ced15db96ad34b417f3213f31808


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

- ---------------------------------------------------------------------------------
For apt-get: deb  Debian -- Security Information  stable/updates main
For dpkg-ftp:    dists/stable/updates/main
Mailing list: debian-security-announce@lists.debian.org
Package info: `apt-cache show ' and  http://packages.debian.org/

Debian: xchat Buffer overflow vulnerability

April 21, 2004
This bug allows an attacker to execute arbitrary code on the users' machine.

Summary

A buffer overflow has been discovered in the Socks-5 proxy code of
XChat, an IRC client for X similar to AmIRC. This allows an attacker
to execute arbitrary code on the users' machine.

For the stable distribution (woody) this problem has been fixed in
version 1.8.9-0woody3.

For the unstable distribution (sid) this problem has been fixed in
version 2.0.8-1.

We recommend that you upgrade your xchat and related packages.


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: 877 80161873b2e115faa33cd38000645dce

Size/MD5 checksum: 18200 215990506f737d853b23911843a68b41

Size/MD5 checksum: 1310151 05701f0c567ce1ece6577c69f146e6b3

Architecture independent components:


Size/MD5 checksum: 598110 9a586950e3db6f9ebee14c9637d8d61a

Alpha architecture:


Size/MD5 checksum: 223084 90b4e3be1d3ef7ec25231e72ebc1130b

Size/MD5 checksum: 229794 d26d9de27c8567e3dffb483c5174df02

Size/MD5 checksum: 122376 3d69e44fff6af517f8f166bb750b6c4a

ARM architecture:


Size/MD5 checksum: 179850 656145636a317c8ab847183ee68c3337

Size/MD5 checksum: 186350 d25c11fe60901dfdd128e46d5e3e88e1

Size/MD5 checksum: 92846 d207049438e8eaf61a342c69112addec

Intel IA-32 architecture:


Size/MD5 checksum: 168598 3a9cb05afb7a7e4c7c77d4979aa24470

Size/MD5 checksum: 174968 1bdf20e898c3ee9fd268c1207ed1901c

Size/MD5 checksum: 87394 8d11e3d2a13e73a5c3bc8d1f751244e9

Intel IA-64 architecture:


Size/MD5 checksum: 289266 7322e0d408f74a9c68eb582db9828585

Size/MD5 checksum: 297118 b70f1cc13747a01d96a266a7d08c00bc

Size/MD5 checksum: 149788 96e423bd9ec333b9a2b106a4c870f8d5

HP Precision architecture:


Size/MD5 checksum: 207100 71997ea804e37ab7fb6293db978b4ef2

Size/MD5 checksum: 213642 d7987c5011d5bc3611e6464e918c401d

Size/MD5 checksum: 107238 37c42b96721e8f3875a9cd0407c157cc

Motorola 680x0 architecture:


Size/MD5 checksum: 157760 427f7bb644140e438f5df3768099753d

Size/MD5 checksum: 165064 5447693913028bf26cf7a9c7182a78e2

Size/MD5 checksum: 82208 6229d6b8e40e7ecdf4f98be89211cd55

Big endian MIPS architecture:


Size/MD5 checksum: 194996 2df78a22d4eb4c730bfe929f885f31eb

Size/MD5 checksum: 200876 eca41c98214dc3f8d99be1efe7edd73c

Size/MD5 checksum: 104438 20f57a03806e1b78d4cb2d2ba9551a13

Little endian MIPS architecture:


Size/MD5 checksum: 192936 9c93014ec994684379e884e27bcbf602

Size/MD5 checksum: 198400 f60a58cba1bb2f38c9c34a1bfd53a702

Size/MD5 checksum: 103356 2dffd5defbe8bc940eaf9bdace649182

PowerPC architecture:


Size/MD5 checksum: 184834 8ce64505fe3157d915a7240c0ab5e22a

Size/MD5 checksum: 191582 73971bd2a49f071c3ebeaee72832550d

Size/MD5 checksum: 98256 a3548189c57565b3c5c243870550a26f

IBM S/390 architecture:


Size/MD5 checksum: 182596 7ad31d7bef7cf4863f7e87f336ffe08a

Size/MD5 checksum: 189590 41cdf6dbb7906474fa757c5a490f05de

Size/MD5 checksum: 94964 ac501925c362d92b1d87fc712bdae944

Sun Sparc architecture:


Size/MD5 checksum: 180672 1749044dd1a8e02232e086fc660d5654

Size/MD5 checksum: 186952 00a868cd3c240165059d7aeed792ab20

Size/MD5 checksum: 95146 d094ced15db96ad34b417f3213f31808


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

For apt-get: deb Debian -- Security Information stable/updates main
For dpkg-ftp: dists/stable/updates/main
Mailing list: debian-security-announce@lists.debian.org
Package info: `apt-cache show ' and http://packages.debian.org/



Severity
Package : xchat
Vulnerability : buffer overflow
Problem-Type : remote
Debian-specific: no
CVE ID : CAN-2004-0409
Debian Bug : 244184

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