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Debian Security Advisory                             security@debian.org

http://www.debian.org/security/                         Wichert Akkerman

September 10, 2000

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Package        : horde and imp

Problem type   : remote exploit

Debian-specific: no



imp as distributed in Debian GNU/Linux 2.2 suffered from insufficient

checking of user supplied data: the IMP webmail interface did not check

the $from variable which contains the sender address for shell

metacharacters. This could be used to run arbitrary commands on the

server running imp.



To fix this horde (the library imp uses) has been modified to sanitize

$from, and imp has been patched to improve checking of user input.



The updated versions are horde 1.2.1-0 and imp 2.2.1-0, and we strongly

recommend you upgrade both packages 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

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



  The slink release did not contain horde and imp.





Debian GNU/Linux 2.2 alias potato

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



  Potato was released for the alpha, arm, i386, m68k, powerpc and sparc

  architectures.



  Source archives:

    http://security.debian.org/dists/stable/updates/main/source/horde_1.2.1-0.dsc

      MD5 checksum: b8043b7e3ffaa77ac7e1d2ceea251d94

    http://security.debian.org/dists/stable/updates/main/source/horde_1.2.1-0.tar.gz

      MD5 checksum: ac8b3ef0fcb82ea13b17ff3139d64383

    http://security.debian.org/dists/stable/updates/main/source/imp_2.2.1-0.dsc

      MD5 checksum: 6799d4fa13a565fee72c7b24933162f3

    http://security.debian.org/dists/stable/updates/main/source/imp_2.2.1-0.tar.gz

      MD5 checksum: fb21210aa6e60c47b8387911f353c307



  Architecture indendent archives:

    http://security.debian.org/dists/stable/updates/main/binary-all/horde_1.2.1-0_all.deb

      MD5 checksum: 092bf9089947620cf5b6385a132088bd

    http://security.debian.org/dists/stable/updates/main/binary-all/imp_2.2.1-0_all.deb

      MD5 checksum: 3e74e9fea07e52726f1c0e50b07c4348



  These files will be moved into

  http://ftp.debian.org/debian/dists/stable/*/binary-$arch/ soon.



For not yet released architectures please refer to the appropriate

directory http://ftp.debian.org/debian/dists/sid/binary-$arch/ .



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

For apt-get: deb http://security.debian.org/ stable updates

For dpkg-ftp: http://security.debian.org/debian-security dists/stable/updates

Mailing list: debian-security-announce@lists.debian.org



- --

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

For apt-get: deb http://security.debian.org/ stable updates

For dpkg-ftp: http://security.debian.org/debian-security dists/stable/updates

Mailing list: debian-security-announce@lists.debian.org



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