bugtraq - [SECURITY] [DSA 441-1] New Linux 2.4.17 packages fix local root exploit (mips+mipsel)

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Message-ID: <m1AtTe6-000pqXC__17208.4850063131$1077123054@finlandia.Infodrom.North.DE>
Date: Wed, 18 Feb 2004 16:29:54 +0100 (CET)
From: joey@...odrom.org (Martin Schulze)
To: bugtraq@...urityfocus.com
Subject: [SECURITY] [DSA 441-1] New Linux 2.4.17 packages fix local root exploit (mips+mipsel)


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- --------------------------------------------------------------------------
Debian Security Advisory DSA 441-1                     security@...ian.org
http://www.debian.org/security/                             Martin Schulze
February 18th, 2004                     http://www.debian.org/security/faq
- --------------------------------------------------------------------------

Package        : kernel-patch-2.4.17-mips
Vulnerability  : missing function return value check
Problem-Type   : local
Debian-specific: no
CVE ID         : CAN-2004-0077

Paul Starzetz and Wojciech Purczynski of isec.pl discovered a critical
security vulnerability in the memory management code of Linux inside
the mremap(2) system call.  Due to missing function return value check
of internal functions a local attacker can gain root privileges.

For the stable distribution (woody) this problem has been fixed in
version 2.4.17-0.020226.2.woody5 for mips and mipsel kernel images.

Other architectures will probably mentioned in a separate advisory or
are not affected (m68k).

For the unstable distribution (sid) this problem will be fixed soon
with the next upload of a 2.4.19 kernel image and in version
2.4.22-0.030928.3 for 2.4.22 for the mips and mipsel architectures.

This problem is also fixed in the upstream version of Linux 2.4.25 and
2.6.3.

We recommend that you upgrade your Linux kernel packages immediately.


Upgrade Instructions
- --------------------

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

If you are using the apt-get package manager, use the line for
sources.list as given below:

apt-get update
        will update the internal database
apt-get upgrade
        will install corrected packages

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


Debian GNU/Linux 3.0 alias woody
- --------------------------------

  Source archives:

    http://security.debian.org/pool/updates/main/k/kernel-patch-2.4.17-mips/kernel-patch-2.4.17-mips_2.4.17-0.020226.2.woody5.dsc
      Size/MD5 checksum:      786 b96d0f387a948cf64a07e6d6c5102b30
    http://security.debian.org/pool/updates/main/k/kernel-patch-2.4.17-mips/kernel-patch-2.4.17-mips_2.4.17-0.020226.2.woody5.tar.gz      Size/MD5 checksum:  1138658 dc1df0219c33c0de14ffd22ea8585ad5

  Architecture independent components:

    http://security.debian.org/pool/updates/main/k/kernel-patch-2.4.17-mips/kernel-patch-2.4.17-mips_2.4.17-0.020226.2.woody5_all.deb
      Size/MD5 checksum:  1138888 ba735096447ec98541c3d35838348e95

  Big endian MIPS architecture:

    http://security.debian.org/pool/updates/main/k/kernel-patch-2.4.17-mips/kernel-headers-2.4.17_2.4.17-0.020226.2.woody5_mips.deb
      Size/MD5 checksum:  3475886 0e2394ed3cee2a7dafa2d75a7a2042e6
    http://security.debian.org/pool/updates/main/k/kernel-patch-2.4.17-mips/kernel-image-2.4.17-r4k-ip22_2.4.17-0.020226.2.woody5_mips.deb
      Size/MD5 checksum:  2042458 1585029d1c0b32ce770a29d74b3720f8
    http://security.debian.org/pool/updates/main/k/kernel-patch-2.4.17-mips/kernel-image-2.4.17-r5k-ip22_2.4.17-0.020226.2.woody5_mips.deb
      Size/MD5 checksum:  2042414 83894b6f444b63c57a34051be23f8e04

  Little endian MIPS architecture:

    http://security.debian.org/pool/updates/main/k/kernel-patch-2.4.17-mips/kernel-headers-2.4.17_2.4.17-0.020226.2.woody5_mipsel.deb
      Size/MD5 checksum:  3474568 099f3c8bc36668123c2414aa861805c0
    http://security.debian.org/pool/updates/main/k/kernel-patch-2.4.17-mips/kernel-image-2.4.17-r3k-kn02_2.4.17-0.020226.2.woody5_mipsel.deb
      Size/MD5 checksum:  2197826 defe3a975447f16b14f5d52b61991458
    http://security.debian.org/pool/updates/main/k/kernel-patch-2.4.17-mips/kernel-image-2.4.17-r4k-kn04_2.4.17-0.020226.2.woody5_mipsel.deb
      Size/MD5 checksum:  2193704 89fc943ed1530fd0da6ca7a0303acb93
    http://security.debian.org/pool/updates/main/k/kernel-patch-2.4.17-mips/mips-tools_2.4.17-0.020226.2.woody5_mipsel.deb
      Size/MD5 checksum:    15114 65e08c5c4f432a537641b6b3a76a3c42


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

- ---------------------------------------------------------------------------------
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@...ts.debian.org
Package info: `apt-cache show <pkg>' and http://packages.debian.org/<pkg>

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