bugtraq - [SECURITY] [DSA-377-1] New wu-ftpd packages fix insecure program execution

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Message-ID: <20030905010317.GC16552__43031.5628568225$1062781589@alcor.net>
Date: Thu, 4 Sep 2003 21:03:18 -0400
From: Matt Zimmerman <mdz@...ian.org>
To: bugtraq@...urityfocus.com
Subject: [SECURITY] [DSA-377-1] New wu-ftpd packages fix insecure program execution



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Debian Security Advisory DSA 377-1                     security@...ian.org
http://www.debian.org/security/                             Matt Zimmerman
September 4th, 2003                     http://www.debian.org/security/faq
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Package        : wu-ftpd
Vulnerability  : insecure program execution
Problem-Type   : remote
Debian-specific: no
CVE Ids        : CVE-1999-0997

wu-ftpd, an FTP server, implements a feature whereby multiple files
can be fetched in the form of a dynamically constructed archive file,
such as a tar archive.  The names of the files to be included are
passed as command line arguments to tar, without protection against
them being interpreted as command-line options.  GNU tar supports
several command line options which can be abused, by means of this
vulnerability, to execute arbitrary programs with the privileges of
the wu-ftpd process.

Georgi Guninski pointed out that this vulnerability exists in Debian
woody.

For the stable distribution (woody) this problem has been fixed in
version 2.6.2-3woody2.

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

We recommend that you update your wu-ftpd 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/w/wu-ftpd/wu-ftpd_2.6.2-3woody2.dsc
      Size/MD5 checksum:      607 b557af23920403ce4be64670a873a1dd
    http://security.debian.org/pool/updates/main/w/wu-ftpd/wu-ftpd_2.6.2-3woody2.diff.gz
      Size/MD5 checksum:   100389 c2e481768ed3a0d97a110bc3cd4aefa2
    http://security.debian.org/pool/updates/main/w/wu-ftpd/wu-ftpd_2.6.2.orig.tar.gz
      Size/MD5 checksum:   354784 b3c271f02aadf663b8811d1bff9da3f6

  Architecture independent components:

    http://security.debian.org/pool/updates/main/w/wu-ftpd/wu-ftpd-academ_2.6.2-3woody2_all.deb
      Size/MD5 checksum:     3474 ae0a727f52cf8f1488222ce2b414a29a

  Alpha architecture:

    http://security.debian.org/pool/updates/main/w/wu-ftpd/wu-ftpd_2.6.2-3woody2_alpha.deb
      Size/MD5 checksum:   291710 d9725bc2a271f151fc42605edd6394c6

  ARM architecture:

    http://security.debian.org/pool/updates/main/w/wu-ftpd/wu-ftpd_2.6.2-3woody2_arm.deb
      Size/MD5 checksum:   265366 d435ee1977a93705462528b23b8c9550

  Intel IA-32 architecture:

    http://security.debian.org/pool/updates/main/w/wu-ftpd/wu-ftpd_2.6.2-3woody2_i386.deb
      Size/MD5 checksum:   257060 ed807ebe3275f76a13eed4fbb2d8a7fa

  Intel IA-64 architecture:

    http://security.debian.org/pool/updates/main/w/wu-ftpd/wu-ftpd_2.6.2-3woody2_ia64.deb
      Size/MD5 checksum:   321256 beaa9b061436052fddf3f47e2932360a

  HP Precision architecture:

    http://security.debian.org/pool/updates/main/w/wu-ftpd/wu-ftpd_2.6.2-3woody2_hppa.deb
      Size/MD5 checksum:   275896 c1bea3e7f0cdbab6c7240d5b08b4b9d1

  Motorola 680x0 architecture:

    http://security.debian.org/pool/updates/main/w/wu-ftpd/wu-ftpd_2.6.2-3woody2_m68k.deb
      Size/MD5 checksum:   249368 32f06b3bbe19265f749670950691c7ff

  Big endian MIPS architecture:

    http://security.debian.org/pool/updates/main/w/wu-ftpd/wu-ftpd_2.6.2-3woody2_mips.deb
      Size/MD5 checksum:   272978 1ec11e5a9b53925b02fb7cfbbc3df56b

  Little endian MIPS architecture:

    http://security.debian.org/pool/updates/main/w/wu-ftpd/wu-ftpd_2.6.2-3woody2_mipsel.deb
      Size/MD5 checksum:   273058 37140e512eaa62cfa0b99b9983e89b6f

  PowerPC architecture:

    http://security.debian.org/pool/updates/main/w/wu-ftpd/wu-ftpd_2.6.2-3woody2_powerpc.deb
      Size/MD5 checksum:   268354 4da902291bc8bb6c5c652dfd9f7ba729

  IBM S/390 architecture:

    http://security.debian.org/pool/updates/main/w/wu-ftpd/wu-ftpd_2.6.2-3woody2_s390.deb
      Size/MD5 checksum:   263100 a89f0be201d65cff953bc496a6391af4

  Sun Sparc architecture:

    http://security.debian.org/pool/updates/main/w/wu-ftpd/wu-ftpd_2.6.2-3woody2_sparc.deb
      Size/MD5 checksum:   270448 088bb0a66ee5b74ec59baff506a2be2a

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