Debian alert: tcpdump BGP decoding error

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Debian Security Advisory DSA-206-1                   security@debian.org
http://www.debian.org/security/                         Wichert Akkerman
December 10, 2002
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Package        : tcpdump
Problem type   : incorrect bounds checking
Debian-specific: no

The BGP decoding routines for tcpdump used incorrect bounds checking
when copying data. This could be abused by introducing malicious traffic
on a sniffed network for a denial of service attack against tcpdump,
or possibly even remote code execution.

This has been fixed in version 3.6.2-2.2.


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Obtaining updates:

  By hand:
    wget URL
        will fetch the file for you.
    dpkg -i FILENAME.deb
        will install the fetched file.

  With apt:
    deb http://security.debian.org/ stable/updates main
        added to /etc/apt/sources.list will provide security updates

Additional information can be found on the Debian security webpages
at http://www.debian.org/security/

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Debian GNU/Linux 3.0 alias woody
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  Woody was released for alpha, arm, hppa, i386, ia64, m68k, mips, mipsel,
  powerpc, s390 and sparc.


  Source archives:

    http://security.debian.org/pool/updates/main/t/tcpdump/tcpdump_3.6.2-2.2.dsc
      Size/MD5 checksum:     1284 be78c7328fcd439fe7eedf6a54894b28
    http://security.debian.org/pool/updates/main/t/tcpdump/tcpdump_3.6.2.orig.tar.gz
      Size/MD5 checksum:   380635 6bc8da35f9eed4e675bfdf04ce312248
    http://security.debian.org/pool/updates/main/t/tcpdump/tcpdump_3.6.2-2.2.diff.gz
      Size/MD5 checksum:     8956 a07ace8578ec5555c87cbfd1faba8ecd

  alpha architecture (DEC Alpha)

    http://security.debian.org/pool/updates/main/t/tcpdump/tcpdump_3.6.2-2.2_alpha.deb
      Size/MD5 checksum:   213458 72603d37a351d08dfa7af4ab13e6301f

  arm architecture (ARM)

    http://security.debian.org/pool/updates/main/t/tcpdump/tcpdump_3.6.2-2.2_arm.deb
      Size/MD5 checksum:   179464 adb31a1747c0df1f1113454afb3a85f8

  hppa architecture (HP PA RISC)

    http://security.debian.org/pool/updates/main/t/tcpdump/tcpdump_3.6.2-2.2_hppa.deb
      Size/MD5 checksum:   192892 28680f059cab0987ee313b672aa2edca

  i386 architecture (Intel ia32)

    http://security.debian.org/pool/updates/main/t/tcpdump/tcpdump_3.6.2-2.2_i386.deb
      Size/MD5 checksum:   169360 f303ec8777785c742a29469e49a9c63a

  ia64 architecture (Intel ia64)

    http://security.debian.org/pool/updates/main/t/tcpdump/tcpdump_3.6.2-2.2_ia64.deb
      Size/MD5 checksum:   246776 889eb67d84ef3500239a1ad7a721dd9e

  m68k architecture (Motorola Mc680x0)

    http://security.debian.org/pool/updates/main/t/tcpdump/tcpdump_3.6.2-2.2_m68k.deb
      Size/MD5 checksum:   157340 69ceb0d17d5e9ffca079b0bd7a18d489

  mips architecture (MIPS (Big Endian))

    http://security.debian.org/pool/updates/main/t/tcpdump/tcpdump_3.6.2-2.2_mips.deb
      Size/MD5 checksum:   188714 dbbe0d4eec80daa0f74b83c877064b87

  powerpc architecture (PowerPC)

    http://security.debian.org/pool/updates/main/t/tcpdump/tcpdump_3.6.2-2.2_powerpc.deb
      Size/MD5 checksum:   176706 5121aa3b8891d1030d1924f1328efcdf

  s390 architecture (IBM S/390)

    http://security.debian.org/pool/updates/main/t/tcpdump/tcpdump_3.6.2-2.2_s390.deb
      Size/MD5 checksum:   172534 1b2b2834af69c169893b5dee4b21eec3

  sparc architecture (Sun SPARC/UltraSPARC)

    http://security.debian.org/pool/updates/main/t/tcpdump/tcpdump_3.6.2-2.2_sparc.deb
      Size/MD5 checksum:   179076 31a8382615ac8707b9346bfa9b1d615a

- -- 
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Debian Security team <team@security.debian.org>
http://www.debian.org/security/
Mailing-List: debian-security-announce@lists.debian.org

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