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Debian: 'sudo' Local buffer overflow vulnerability Print E-mail
User Rating:      How can I rate this item?
Posted by LinuxSecurity.com Team   
Debian A buffer overflow in the variable expansion codeused by sudo for its prompt has been fixed. Since sudo is necessarily installed suidroot a local user can use this to gain root access.

------------------------------------------------------------------------
Debian Security Advisory DSA-128-1                   security@debian.org 
http://www.debian.org/security/ Wichert Akkerman
April 26, 2002
------------------------------------------------------------------------


Package        : sudo
Problem type   : buffer overflow
Debian-specific: no

fc found a buffer overflow in the variable expansion code
used by sudo for its prompt. Since sudo is necessarily installed suid
root a local user can use this to gain root access.

This has been fixed in version 1.6.2-2.2 and we recommend that you upgrade
your sudo package immediately.

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/sudo_1.6.2p2-2.2.diff.gz
MD5 checksum: 958560c409b43bd13463b3d380fc534a
     http://security.debian.org/dists/stable/updates/main/source/sudo_1.6.2p2-2.2.dsc
MD5 checksum: 7323f0f3614513156120ccc4772524f8
     http://security.debian.org/dists/stable/updates/main/source/sudo_1.6.2p2.orig.tar.gz
MD5 checksum: dd5944c880fd5cc56bc0f0199e92d2b4

  Alpha architecture:
     http://security.debian.org/dists/stable/updates/main/binary-alpha/sudo_1.6.2p2-2.2_alpha.deb
MD5 checksum: 66cb0d4f730560fddba65e44dd78c34d

  ARM architecture:
     http://security.debian.org/dists/stable/updates/main/binary-arm/sudo_1.6.2p2-2.2_arm.deb
MD5 checksum: f74bae46ebd07bd8f430261153d13f90

  Intel IA-32 architecture:
     http://security.debian.org/dists/stable/updates/main/binary-i386/sudo_1.6.2p2-2.2_i386.deb
MD5 checksum: 9ac9b91818dd7b2f2888aa39aac0da98

  Motorola 680x0 architecture:
     http://security.debian.org/dists/stable/updates/main/binary-m68k/sudo_1.6.2p2-2.2_m68k.deb
MD5 checksum: 46f6d595363d23c96701cd303511e1a5

  PowerPC architecture:
     http://security.debian.org/dists/stable/updates/main/binary-powerpc/sudo_1.6.2p2-2.2_powerpc.deb
MD5 checksum: 66c23d2544e9a8f19c57c919a4a751c9

  Sun Sparc architecture:
     http://security.debian.org/dists/stable/updates/main/binary-sparc/sudo_1.6.2p2-2.2_sparc.deb
MD5 checksum: 9654ecac0230abe0f28524469fb5887e

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

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