Linux Security
    Linux Security
    Linux Security

    Debian: userv vulnerability

    Date 27 Jul 2000
    Posted By LinuxSecurity Advisories
    It might be possible for local usersto abuse this to carry out unauthorised actions or be able to takecontrol for service user accounts.
    - ------------------------------------------------------------------------
    Debian Security Advisory                             This email address is being protected from spambots. You need JavaScript enabled to view it.                         Wichert Akkerman
    July 27, 2000
    - ------------------------------------------------------------------------
    Package        : userv
    Problem type   : local exploit
    Debian-specific: no
    The version of userv that was distributed with Debian GNU/Linux 2.1 / slink
    had a problem in the fd swapping algorithm: it could sometimes make an
    out-of-bounds array reference. It might be possible for local users
    to abuse this to carry out unauthorised actions or be able to take
    control for service user accounts.
    This has been fixed in version for Debian 2.1, and
    version for Debian 2.2 .
    We recommend you upgrade your uesrv package immediately.
    wget url
            will fetch the file for you
    dpkg -i file.deb
            will install the referenced file.
    Debian GNU/Linux 2.1 alias slink
    - --------------------------------
      This version of Debian was released only for Intel, the Motorola
      680x0, the alpha and the Sun sparc architecture.
      Source archives:
          MD5 checksum: 473a8fe477d20614aad97f538896969a
          MD5 checksum: 40b052547e2ea9fa69a12ee24dfe2af7
      Alpha architecture:
          MD5 checksum: 4934d1163e2e5fbb2d74d5a949089aa7
      Intel ia32 architecture:
          MD5 checksum: ebf8d6cd431e94b6e731636d1d61440e
      Motorola 680x0 architecture:
           MD5 checksum: b59d78066362bce1f91005891958c362
      Sun Sparc architecture:
          MD5 checksum: ab880dac8965d99ca64044c0ef438975
    Debian GNU/Linux 2.2 alias potato
    - ---------------------------------
      Please note that woody has not been released yet. However since potato
      is very close to being release security updates are already being made
      available on 
      Potato will be release for alpha, arm, i386, m68k, powerpc and sparc.
      However at this moment fixes are not available for all architectures.
      Packages for architectures not mentioned here will be available
      shortly on .
      Source archives:
          MD5 checksum: 1a92258cecdb878ddd2f58cd03bd59b1
          MD5 checksum: ddf8df51026a1b880dc95f9ca04a6deb
      Alpha architecture:
          MD5 checksum: 81d800fb0b29ef48f8b8bbc20e2b2ec1
      Intel ia32 architecture:
          MD5 checksum: 82752bd8dcc7ec1e187b6d9cfe7403d0
      Sun Sparc architecture:
          MD5 checksum: 019430e9ffdff374a87e0003da16b97b
      These files will be moved into*/binary-$arch/ soon.
    For not yet released architectures please refer to the appropriate
    directory$arch/ .
    - -- 
    - ----------------------------------------------------------------------------
    For apt-get: deb stable updates
    For dpkg-ftp: dists/stable/updates
    Mailing list: debian-security-This email address is being protected from spambots. You need JavaScript enabled to view it.
    Version: 2.6.3ia
    Charset: noconv
    -----END PGP SIGNATURE-----


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