bugtraq - [SECURITY] [DSA 876-1] New lynx-ssl packages fix arbitrary code execution

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Message-ID: <m1EV76C-000p6FC__38257.270170334$1130429461$gmane$org@finlandia.Infodrom.North.DE>
Date: Thu, 27 Oct 2005 14:43:16 +0200 (CEST)
From: joey@...odrom.org (Martin Schulze)
To: bugtraq@...urityfocus.com
Subject: [SECURITY] [DSA 876-1] New lynx-ssl packages fix arbitrary code execution


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- --------------------------------------------------------------------------
Debian Security Advisory DSA 876-1                     security@...ian.org
http://www.debian.org/security/                             Martin Schulze
October 27th, 2005                      http://www.debian.org/security/faq
- --------------------------------------------------------------------------

Package        : lynx-ssl
Vulnerability  : buffer overflow
Problem type   : remote
Debian-specific: no
CVE ID         : CVE-2005-3120

Ulf Härnhammar discovered a buffer overflow in lynx, a text-mode
browser for the WWW that can be remotely exploited.  During the
handling of Asian characters when connecting to an NNTP server lynx
can be tricked to write past the boundary of a buffer which can lead
to the execution of arbitrary code.

For the old stable distribution (woody) this problem has been fixed in
version 2.8.4.1b-3.2.

For the stable distribution (sarge) this problem has been fixed in
version 2.8.5-2sarge1 of lynx.

For the unstable distribution (sid) this problem will be fixed soon.

We recommend that you upgrade your lynx-ssl 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/l/lynx-ssl/lynx-ssl_2.8.4.1b-3.2.dsc
      Size/MD5 checksum:      609 6256bc48e63d9120301c6bdae3316675
    http://security.debian.org/pool/updates/main/l/lynx-ssl/lynx-ssl_2.8.4.1b-3.2.diff.gz
      Size/MD5 checksum:    87627 69a835be9e783a6788fd3122ec4c51d4
    http://security.debian.org/pool/updates/main/l/lynx-ssl/lynx-ssl_2.8.4.1b.orig.tar.gz
      Size/MD5 checksum:  2557510 053a10f76b871e3944c11c7776da7f7a

  Alpha architecture:

    http://security.debian.org/pool/updates/main/l/lynx-ssl/lynx-ssl_2.8.4.1b-3.2_alpha.deb
      Size/MD5 checksum:  1617392 d07cb6f46da183ab5c66860d90dd48c5

  ARM architecture:

    http://security.debian.org/pool/updates/main/l/lynx-ssl/lynx-ssl_2.8.4.1b-3.2_arm.deb
      Size/MD5 checksum:  1491792 b20c7575d54e86838ddeff94622ce5ff

  Intel IA-32 architecture:

    http://security.debian.org/pool/updates/main/l/lynx-ssl/lynx-ssl_2.8.4.1b-3.2_i386.deb
      Size/MD5 checksum:  1447102 0707d60cdc076a9078ecd198d9e185c5

  Intel IA-64 architecture:

    http://security.debian.org/pool/updates/main/l/lynx-ssl/lynx-ssl_2.8.4.1b-3.2_ia64.deb
      Size/MD5 checksum:  1769060 9f621d66228be950732846918afb9b22

  HP Precision architecture:

    http://security.debian.org/pool/updates/main/l/lynx-ssl/lynx-ssl_2.8.4.1b-3.2_hppa.deb
      Size/MD5 checksum:  1559592 c2c35718ba34d173fadefd3ba428695b

  Motorola 680x0 architecture:

    http://security.debian.org/pool/updates/main/l/lynx-ssl/lynx-ssl_2.8.4.1b-3.2_m68k.deb
      Size/MD5 checksum:  1410534 86eff29224e043788f98a02f4af20402

  Big endian MIPS architecture:

    http://security.debian.org/pool/updates/main/l/lynx-ssl/lynx-ssl_2.8.4.1b-3.2_mips.deb
      Size/MD5 checksum:  1511892 7fa8c96a81238e524e870dee74d07fa4

  Little endian MIPS architecture:

    http://security.debian.org/pool/updates/main/l/lynx-ssl/lynx-ssl_2.8.4.1b-3.2_mipsel.deb
      Size/MD5 checksum:  1507808 5c7db52ed5910884679ec9ecc8606593

  PowerPC architecture:

    http://security.debian.org/pool/updates/main/l/lynx-ssl/lynx-ssl_2.8.4.1b-3.2_powerpc.deb
      Size/MD5 checksum:  1497302 f82ae7bc6ee25639bd8c18ab6c644fb5

  IBM S/390 architecture:

    http://security.debian.org/pool/updates/main/l/lynx-ssl/lynx-ssl_2.8.4.1b-3.2_s390.deb
      Size/MD5 checksum:  1468622 72b310726d3baecfe26ba27ce9f9f46a

  Sun Sparc architecture:

    http://security.debian.org/pool/updates/main/l/lynx-ssl/lynx-ssl_2.8.4.1b-3.2_sparc.deb
      Size/MD5 checksum:  1497394 83d65399cb15b48bcd9024f01e3f9400


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

- ---------------------------------------------------------------------------------
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@...ts.debian.org
Package info: `apt-cache show <pkg>' and http://packages.debian.org/<pkg>

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