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Debian Security Advisory DSA-043-1                       security@debian.org
http://www.debian.org/security/                               Martin Schulze
March 9, 2001
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Packages       : zope
Vulnerability  : several
Type           : remote
Debian-specific: no
Fixed version  : zope 2.1.6-7

This advisory covers several vulnerabilities in Zope that have been
addressed.

 1. Hotfix 08_09_2000 "Zope security alert and hotfix product"

    The issue involves the fact that the getRoles method of user objects
    contained in the default UserFolder implementation returns a mutable
    Python type.  Because the mutable object is still associated with
    the persistent User object, users with the ability to edit DTML
    could arrange to give themselves extra roles for the duration of a
    single request by mutating the roles list as a part of the request
    processing.

 2. Hotfix 2000-10-02 "ZPublisher security update"

    It is sometimes possible to access, through an URL only, objects
    protected by a role which the user has in some context, but not in
    the context of the accessed object.

 3. Hotfix 2000-10-11 "ObjectManager subscripting"

    The issue involves the fact that the 'subscript notation' that can
    be used to access items of ObjectManagers (Folders) did not
    correctly restrict return values to only actual sub items.  This
    made it possible to access names that should be private from DTML
    (objects with names beginning with the underscore '_' character).
    This could allow DTML authors to see private implementation data
    structures and in certain cases possibly call methods that they
    shouldn't have access to from DTML.

 4. Hotfix 2001-02-23 "Class attribute access"

    The issue is related to ZClasses in that a user with through-the-web
    scripting capabilities on a Zope site can view and assign class
    attributes to ZClasses, possibly allowing them to make inappropriate
    changes to ZClass instances.

    A second part fixes problems in the ObjectManager, PropertyManager,
    and PropertySheet classes related to mutability of method return
    values which could be perceived as a security problem.

We recommend you upgrade your zope package immediately.

wget url
  will fetch the file for you
dpkg -i file.deb
        will install the referenced file.

You may use an automated update by adding the resources from the
footer to the proper configuration.


Debian GNU/Linux 2.2 alias potato
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  Potato was released for the alpha, arm, i386, m68k, powerpc and sparc
  architectures.


  Source archives:

    http://security.debian.org/dists/stable/updates/main/source/zope_2.1.6-7.dsc
      MD5 checksum: c67a733688d9734030ba98b1910d5aa2
    http://security.debian.org/dists/stable/updates/main/source/zope_2.1.6-7.diff.gz
      MD5 checksum: 794015f6c537e579660f2748c83b1c7a
    http://security.debian.org/dists/stable/updates/main/source/zope_2.1.6.orig.tar.gz
      MD5 checksum: 6ec4320afd6925c24f9f1b5cd7c4d7c5

  Alpha architecture:

    http://security.debian.org/dists/stable/updates/main/binary-alpha/zope_2.1.6-7_alpha.deb
      MD5 checksum: 92bb0b4f05a9817ba6befcd9e05a3183

  ARM architecture:

    http://security.debian.org/dists/stable/updates/main/binary-arm/zope_2.1.6-7_arm.deb
      MD5 checksum: 222e70c1ce79471233de7fd25b47137c

  Intel ia32 architecture:

    http://security.debian.org/dists/stable/updates/main/binary-i386/zope_2.1.6-7_i386.deb
      MD5 checksum: 40d548dc5e6b8927baf59a6b0da7591c

  Motorola 680x0 architecture:

    http://security.debian.org/dists/stable/updates/main/binary-m68k/zope_2.1.6-7_m68k.deb
      MD5 checksum: a115a19b1b2ab88da3b6c71d8f355f0c

  PowerPC architecture:

    http://security.debian.org/dists/stable/updates/main/binary-powerpc/zope_2.1.6-7_powerpc.deb
      MD5 checksum: 35690d55965968d4e6dcf1eae473beeb

  Sun Sparc architecture:

    http://security.debian.org/dists/stable/updates/main/binary-sparc/zope_2.1.6-7_sparc.deb
      MD5 checksum: f7569909daedc1bf8667405d57155e69


  These files will be moved into
  ftp://ftp.debian.org/debian/dists/stable/*/binary-$arch/ soon.

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

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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 <pkg>' and http://packages.debian.org/<pkg>

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