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Debian Security Advisory DSA 050-1                       security@debian.org

http://www.debian.org/security/                               Martin Schulze

April 20, 2001

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Package        : sendfile

Vulnerability  : broken privileges dropping, broken tempfile

Type           : local root exploit

Debian-specific: no



Colin Phipps and Daniel Kobras discovered and fixed several serious

bugs in the saft daemon `sendfiled' which caused it to drop privileges

incorrectly.  Exploiting this a local user can easily make it execute

arbitrary code under root privileges.



We recommend you upgrade your sendfile packages 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

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



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

  architectures.





  Source archives:



    sendfile_2.1-20.2.diff.gz
      MD5 checksum: b5ba5230deef00b0cf815cb79edd5033

    sendfile_2.1-20.2.dsc
      MD5 checksum: 48e5cc3435e2432e41299c31bb08f1a4

    sendfile_2.1.orig.tar.gz
      MD5 checksum: cff003126595d8e77143c42ef898dc10



  Alpha architecture:



    sendfile_2.1-20.2_alpha.deb
      MD5 checksum: df6c0c2d24eeb20d8d4ca7ccce295f4f



  ARM architecture:



    sendfile_2.1-20.2_arm.deb
      MD5 checksum: cecd8e7489dfc4b663e3d99e63d8b086



  Intel ia32 architecture:



    sendfile_2.1-20.2_i386.deb
      MD5 checksum: e519872a28daeb614e235650b7cd88bd



  Motorola 680x0 architecture:



    sendfile_2.1-20.2_m68k.deb
      MD5 checksum: 313aa66e64c0509c041ff58a29be6c86



  PowerPC architecture:



    sendfile_2.1-20.2_powerpc.deb
      MD5 checksum: a2d2a9829642c9d20efeb5443d17990c



  Sun Sparc architecture:



    sendfile_2.1-20.2_sparc.deb
      MD5 checksum: 0e9722314cc01e8d0ad47781c1d0964c





  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-securitydists/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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