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Debian: tcpdump Infinite loop Print E-mail
User Rating:      How can I rate this item?
Posted by LinuxSecurity.com Team   
Debian An attacker is able to send aspecially crafted RADIUS network packet which causes tcpdump to enteran infinite loop.

--------------------------------------------------------------------------
Debian Security Advisory DSA 261-1                     security@debian.org 
http://www.debian.org/security/                             Martin Schulze
March 14th, 2003                         http://www.debian.org/security/faq
--------------------------------------------------------------------------

Package        : tcpdump
Vulnerability  : infinite loop
Problem-Type   : remote
Debian-specific: no
CVE Id         : CAN-2003-0093

A problem has been discovered in tcpdump, a powerful tool for network
monitoring and data acquisition.  An attacker is able to send a
specially crafted RADIUS network packet which causes tcpdump to enter
an infinite loop.

For the stable distribution (woody) this problem has been
fixed in version 3.6.2-2.4.

The old stable distribution (potato) does not seem to be affected
by this problem.

The unstable distribution (sid) is not affected by this problem anymore.

We recommend that you upgrade your tcpdump 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 GNU/Linux 3.0 alias woody
--------------------------------

  Source archives:

     http://security.debian.org/pool/updates/main/t/tcpdump/tcpdump_3.6.2-2.4.dsc
      Size/MD5 checksum:      587 22e458b4495fc067a2bf9d90a67287e1
     http://security.debian.org/pool/updates/main/t/tcpdump/tcpdump_3.6.2-2.4.diff.gz
      Size/MD5 checksum:    11124 88ff9765d341f1af10f92e3ea3cda244
     http://security.debian.org/pool/updates/main/t/tcpdump/tcpdump_3.6.2.orig.tar.gz
      Size/MD5 checksum:   380635 6bc8da35f9eed4e675bfdf04ce312248

  Alpha architecture:

     http://security.debian.org/pool/updates/main/t/tcpdump/tcpdump_3.6.2-2.4_alpha.deb
      Size/MD5 checksum:   213734 81ff64e9d313bca103f6608b1d545078

  ARM architecture:

     http://security.debian.org/pool/updates/main/t/tcpdump/tcpdump_3.6.2-2.4_arm.deb
      Size/MD5 checksum:   179746 6b18bb14dd88c3d1d4e8798b0a310d31

  Intel IA-32 architecture:

     http://security.debian.org/pool/updates/main/t/tcpdump/tcpdump_3.6.2-2.4_i386.deb
      Size/MD5 checksum:   169580 ff9e64004901cb5b00bf0cb213451e76

  Intel IA-64 architecture:

     http://security.debian.org/pool/updates/main/t/tcpdump/tcpdump_3.6.2-2.4_ia64.deb
      Size/MD5 checksum:   246924 d9fe0747e449c2b589b4cb3c832c1a97

  HP Precision architecture:

     http://security.debian.org/pool/updates/main/t/tcpdump/tcpdump_3.6.2-2.4_hppa.deb
      Size/MD5 checksum:   193134 5abb11bd6ea2cd15c3fb3281d9ab6424

  Motorola 680x0 architecture:

     http://security.debian.org/pool/updates/main/t/tcpdump/tcpdump_3.6.2-2.4_m68k.deb
      Size/MD5 checksum:   157590 81d3584524762e3362995ae758c730ac

  Big endian MIPS architecture:

     http://security.debian.org/pool/updates/main/t/tcpdump/tcpdump_3.6.2-2.4_mips.deb
      Size/MD5 checksum:   188894 c49f7abc550ef4a86ff24a80be376515

  Little endian MIPS architecture:

     http://security.debian.org/pool/updates/main/t/tcpdump/tcpdump_3.6.2-2.4_mipsel.deb
      Size/MD5 checksum:   193268 961b6b8d7e70ae97722759b8049445b1

  PowerPC architecture:

     http://security.debian.org/pool/updates/main/t/tcpdump/tcpdump_3.6.2-2.4_powerpc.deb
      Size/MD5 checksum:   176932 ad0506235a5ce9c5be7aa52453a037bf

  IBM S/390 architecture:

     http://security.debian.org/pool/updates/main/t/tcpdump/tcpdump_3.6.2-2.4_s390.deb
      Size/MD5 checksum:   174438 adb1b8f55cfbe0ea4c575c119f72ca41

  Sun Sparc architecture:

     http://security.debian.org/pool/updates/main/t/tcpdump/tcpdump_3.6.2-2.4_sparc.deb
      Size/MD5 checksum:   179334 a25c169a27505382818a51c55e33982d


  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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