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Debian: DoS attack in the Apache web-server Print E-mail
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Posted by LinuxSecurity.com Team   
Debian Mark Litchfield found a denial of service attack in the Apache web-server. While investigating the problem the Apache Software Foundation discovered that the code for handling invalid requests which use chunked encoding also might allow arbitrary code execution on 64 bit architectures.

------------------------------------------------------------------------
Debian Security Advisory DSA-131-1                   security@debian.org 
http://www.debian.org/security/                         Wichert Akkerman
June 19, 2002
------------------------------------------------------------------------


Package        : apache
Problem type   : remote DoS / exploit
Debian-specific: no
CVE name       : CAN-2002-0392
CERT advisory  : VU#944335

Mark Litchfield found a denial of service attack in the Apache
web-server. While investigating the problem the Apache Software
Foundation discovered that the code for handling invalid requests which
use chunked encoding also might allow arbitrary code execution on 64
bit architectures.

This has been fixed in version 1.3.9-14.1 of the Debian apache package,
as well as upstream versions 1.3.16 and 2.0.37. We strongly recommend
that you upgrade your apache package immediately.

wget url
        will fetch the file for you
dpkg -i file.deb
        will install the referenced file.


Debian GNU/Linux 2.2 alias potato
---------------------------------

  Potato was released for alpha, arm, i386, m68k, powerpc and sparc.


  Source archives:
     http://security.debian.org/dists/stable/updates/main/source/apache_1.3.9-14.1.diff.gz
      MD5 checksum: 0faccc7432b4ef650cfeebb2edf9bdc3
     http://security.debian.org/dists/stable/updates/main/source/apache_1.3.9-14.1.dsc
      MD5 checksum: 47140e36fc2947511d162dc7fef680bb
     http://security.debian.org/dists/stable/updates/main/source/apache_1.3.9.orig.tar.gz
      MD5 checksum: 6758fe8b931be0b634b6737d9debf703

  Architecture independent archives:
     http://security.debian.org/dists/stable/updates/main/binary-all/apache-doc_1.3.9-14.1_all.deb
      MD5 checksum: 0b9c3b2bd1efefb2592cc8cbff59a67b

  Alpha architecture:
     http://security.debian.org/dists/stable/updates/main/binary-alpha/apache-common_1.3.9-14.1_alpha.deb
      MD5 checksum: a4c9b63065ec47ad0c90bd9d1ab8d240
     http://security.debian.org/dists/stable/updates/main/binary-alpha/apache-dev_1.3.9-14.1_alpha.deb
      MD5 checksum: 50a5514d4882395b9843a4dd9ced7967
     http://security.debian.org/dists/stable/updates/main/binary-alpha/apache_1.3.9-14.1_alpha.deb
      MD5 checksum: 6ca230385c54a792923051e154dab020

  ARM architecture:
     http://security.debian.org/dists/stable/updates/main/binary-arm/apache-common_1.3.9-14.1_arm.deb
      MD5 checksum: 43bb5b39c0644a02379d456c0f6552e2
     http://security.debian.org/dists/stable/updates/main/binary-arm/apache-dev_1.3.9-14.1_arm.deb
      MD5 checksum: 08121fd95be917ac771a06243ccb2b9b
     http://security.debian.org/dists/stable/updates/main/binary-arm/apache_1.3.9-14.1_arm.deb
      MD5 checksum: 9852ce45dcebc5c3381f5a7f2bc95ed6

  Intel IA-32 architecture:
     http://security.debian.org/dists/stable/updates/main/binary-i386/apache-common_1.3.9-14.1_i386.deb
      MD5 checksum: 1d4b57055b1f292d6a970a66294f887d
     http://security.debian.org/dists/stable/updates/main/binary-i386/apache-dev_1.3.9-14.1_i386.deb
      MD5 checksum: 857a57d16e39b52c4f29884e3b6d8140
     http://security.debian.org/dists/stable/updates/main/binary-i386/apache_1.3.9-14.1_i386.deb
      MD5 checksum: 97e213fda0d0ff92036f368721239562

  Motorola 680x0 architecture:
     http://security.debian.org/dists/stable/updates/main/binary-m68k/apache-common_1.3.9-14.1_m68k.deb
      MD5 checksum: d3aa0224fcef26d6698b7a6832f797e3
     http://security.debian.org/dists/stable/updates/main/binary-m68k/apache-dev_1.3.9-14.1_m68k.deb
      MD5 checksum: 089f975084015cecafbb3961e9f1aa6b
     http://security.debian.org/dists/stable/updates/main/binary-m68k/apache_1.3.9-14.1_m68k.deb
      MD5 checksum: ed03ccfea9a18cb828f6804f3f5169af

  PowerPC architecture:
     http://security.debian.org/dists/stable/updates/main/binary-powerpc/apache-common_1.3.9-14.1_powerpc.deb
      MD5 checksum: a67c40c388a887f51e14b71386847fe8
     http://security.debian.org/dists/stable/updates/main/binary-powerpc/apache-dev_1.3.9-14.1_powerpc.deb
      MD5 checksum: 1d0e323a6298611fb18b9e856de9c2b3
     http://security.debian.org/dists/stable/updates/main/binary-powerpc/apache_1.3.9-14.1_powerpc.deb
      MD5 checksum: 6afbf9a5c97fcf25567bd9b10764df6c

  Sun Sparc architecture:
     http://security.debian.org/dists/stable/updates/main/binary-sparc/apache-common_1.3.9-14.1_sparc.deb
      MD5 checksum: 3a41a937db7b1f748077d079d72dacba
     http://security.debian.org/dists/stable/updates/main/binary-sparc/apache-dev_1.3.9-14.1_sparc.deb
      MD5 checksum: 1aca3619e9b5a045e3b2551a3be5a61c
     http://security.debian.org/dists/stable/updates/main/binary-sparc/apache_1.3.9-14.1_sparc.deb
      MD5 checksum: 1c7954b8b80a776267668a01e93660df


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

--
----------------------------------------------------------------------------
apt-get: deb  http://security.debian.org/ stable/updates main
dpkg-ftp:  ftp://security.debian.org/debian-security dists/stable/updates/main
Mailing list: debian-security-announce@lists.debian.org


 
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