Debian alert: New Linux 2.4.17 packages fix local root exploit (mips+mipsel)

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Debian Security Advisory DSA 489-1                     [e-mail:security@debian.org]
http://www.debian.org/security/                             Martin Schulze
April 17th, 2004                        http://www.debian.org/security/faq
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Package        : kernel-source-2.4.17 kernel-patch-2.4.17-mips
Vulnerability  : several vulnerabilities
Problem-Type   : local
Debian-specific: no
CVE ID         : CAN-2004-0003 CAN-2004-0010 CAN-2004-0109 CAN-2004-0177 CAN-2004-0178

Several serious problems have been discovered in the Linux kernel.
This update takes care of Linux 2.4.17 for the PowerPC/apus and S/390
architectures.  The Common Vulnerabilities and Exposures project
identifies the following problems that will be fixed with this update:

CAN-2004-0003

    A vulnerability has been discovered in the R128 drive in the Linux
    kernel which could potentially lead an attacker to gain
    unauthorised privileges.  Alan Cox and Thomas Biege developed a
    correction for this

CAN-2004-0010

    Arjan van de Ven discovered a stack-based buffer overflow in the
    ncp_lookup function for ncpfs in the Linux kernel, which could
    lead an attacker to gain unauthorised privileges.  Petr Vandrovec
    developed a correction for this.

CAN-2004-0109

    zen-parse discovered a buffer overflow vulnerability in the
    ISO9660 filesystem component of Linux kernel which could be abused
    by an attacker to gain unauthorised root access.  Sebastian
    Krahmer and Ernie Petrides developed a correction for this.

CAN-2004-0177

    Solar Designer discovered an information leak in the ext3 code of
    Linux.  In a worst case an attacker could read sensitive data such
    as cryptographic keys which would otherwise never hit disk media.
    Theodore Ts'o developed a correction for this.

CAN-2004-0178

    Andreas Kies discovered a denial of service condition in the Sound
    Blaster driver in Linux.  He also developed a correction for this.

These problems are also fixed by upstream in Linux 2.4.26 and future
versions of 2.6.

The following security matrix explains which kernel versions for which
architectures are already fixed and which will be removed instead.

Architecture   stable (woody)            unstable (sid)     remove in sid
source         2.4.17-1woody3            2.4.25-3           2.4.19-11
mips           2.4.17-0.020226.2.woody6  fixed soon         2.4.19-0.020911.8
mipsel         2.4.17-0.020226.2.woody6  2.4.25-0.040415.1  2.4.19-0.020911.9

We recommend that you upgrade your kernel packages immediately, either
with a Debian provided kernel or with a self compiled one.


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
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  Source archives:

    http://security.debian.org/pool/updates/main/k/kernel-source-2.4.17/kernel-source-2.4.17_2.4.17-1woody3.dsc
      Size/MD5 checksum:      690 222d67d058984eef34ef3af56ad82720
    http://security.debian.org/pool/updates/main/k/kernel-source-2.4.17/kernel-source-2.4.17_2.4.17-1woody3.diff.gz
      Size/MD5 checksum:    41918 dce13eeca598d548e390a72fed76728f
    http://security.debian.org/pool/updates/main/k/kernel-source-2.4.17/kernel-source-2.4.17_2.4.17.orig.tar.gz
      Size/MD5 checksum: 29445154 d5de2a4dc49e32c37e557ef856d5d132

    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.woody6.dsc
      Size/MD5 checksum:      805 2076a7b98736825eb39bf5bc8eba23d2
    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.woody6.tar.gz

  Architecture independent components:

    http://security.debian.org/pool/updates/main/k/kernel-source-2.4.17/kernel-doc-2.4.17_2.4.17-1woody3_all.deb
      Size/MD5 checksum:  1720294 3b6e8a510996bebd066d1cda8bac41eb
    http://security.debian.org/pool/updates/main/k/kernel-source-2.4.17/kernel-source-2.4.17_2.4.17-1woody3_all.deb
      Size/MD5 checksum: 23880582 542792a28d1fc90844f9b51abe84f90e

    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.woody6_all.deb
      Size/MD5 checksum:  1149360 9e6755113b2f9aa136cb7a661ff17953

  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.woody6_mips.deb
      Size/MD5 checksum:  3475460 5fd4b0778c297c49009ece259b417f22
    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.woody6_mips.deb
      Size/MD5 checksum:  2042058 a15d8dad4f6d3a0ca8f32bca87a153b3
    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.woody6_mips.deb
      Size/MD5 checksum:  2042102 f9cc1ae2e4d53f0a017a842580823a34

  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.woody6_mipsel.deb
      Size/MD5 checksum:  3474878 26731e041b80cfeb5bc609cf6f2b20a1
    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.woody6_mipsel.deb
      Size/MD5 checksum:  2197528 b2cefc4f87ee78a1c146a4e428b2d44c
    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.woody6_mipsel.deb
      Size/MD5 checksum:  2193620 0cf8429a531c6eb29cdc34b4e343d9ac
    http://security.debian.org/pool/updates/main/k/kernel-patch-2.4.17-mips/mips-tools_2.4.17-0.020226.2.woody6_mipsel.deb
      Size/MD5 checksum:    15394 7f2ad07ae6daa9de0db7d45cdc83ee59


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

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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: [e-mail:debian-security-announce@lists.debian.org]
Package info: 'apt-cache show ' and http://packages.debian.org/

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