Articles / Debian: wu-ftpd buffer over…

Debian: wu-ftpd buffer overflow in glob code

CORE ST reports that an exploit has been found for a bug in the wu-ftpd glob code (this is the code that handles filename wildcard expansion). Any logged in user (including anonymous ftp users) can exploit the bug to gain root privilege on the server. Fixed packages can be obtained from security.debian.org.
-----BEGIN PGP SIGNED MESSAGE-----

- ------------------------------------------------------------------------
Debian Security Advisory DSA-087-1                   security@debian.org
http://www.debian.org/security/                         Wichert Akkerman
December  3, 2001
- ------------------------------------------------------------------------


Package        : wu-ftpd
Problem type   : remote root exploit
Debian-specific: no

CORE ST reports that an exploit has been found for a bug in the wu-ftpd
glob code (this is the code that handles filename wildcard expansion).
Any logged in user (including anonymous ftp users) can exploit the bug
to gain root privilege on the server. 

This has been corrected in version 2.6.0-6 of the wu-ftpd package.

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/wu-ftpd_2.6.0-6.diff.gz
      MD5 checksum: 3b1b4c45157bd09811d22e5a0319800f
    http://security.debian.org/dists/stable/updates/main/source/wu-ftpd_2.6.0-6.dsc
      MD5 checksum: bb6cde87269f88b9fd8a8b2202a62ca4
    http://security.debian.org/dists/stable/updates/main/source/wu-ftpd_2.6.0.orig.tar.gz
      MD5 checksum: 652cfe4b59e0468eded736e7c281d16f

  Architecture independent archives:
    http://security.debian.org/dists/stable/updates/main/binary-all/wu-ftpd-academ_2.6.0-6_all.deb
      MD5 checksum: 6e611c3988121914b79de3e2042a7313

  Alpha architecture:
    http://security.debian.org/dists/stable/updates/main/binary-alpha/wu-ftpd_2.6.0-6_alpha.deb
      MD5 checksum: bf2a2603573577e86a14d57814a8133a

  ARM architecture:
    http://security.debian.org/dists/stable/updates/main/binary-arm/wu-ftpd_2.6.1-6_arm.deb
      MD5 checksum: 073d205b811b077d0e2ea874b4e795e8

  Intel IA-32 architecture:
    http://security.debian.org/dists/stable/updates/main/binary-i386/wu-ftpd_2.6.0-6_i386.deb
      MD5 checksum: c3fc484e08210d7a1363c93c9d29d6eb

  PowerPC architecture:
    http://security.debian.org/dists/stable/updates/main/binary-powerpc/wu-ftpd_2.6.0-6_powerpc.deb
      MD5 checksum: 59272e14f5db909fa43b2eb0cfaf2277

  Sun Sparc architecture:
    http://security.debian.org/dists/stable/updates/main/binary-sparc/wu-ftpd_2.6.0-6_sparc.deb
      MD5 checksum: f855d628c92c7d9eccc115b167555f98

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

For not yet released architectures please refer to the appropriate
directory ftp://ftp.debian.org/debian/dists/sid/binary-$arch/ .

- -- 
- ----------------------------------------------------------------------------
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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