Debian alert: New Linux 2.4.19 packages fix local root exploit (mips)

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Debian Security Advisory DSA 491-1                     [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-2.4.19 kernel-patch-2.4.19-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 MIPS architecture.  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         2.4.19-4.woody2           2.4.25-3           2.4.19-11
mips           2.4.19-0.020911.1.woody4  2.4.25-0.040415.1  2.4.19-0.020911.8
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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-2.4.19/kernel-source-2.4.19_2.4.19-4.woody2.dsc
      Size/MD5 checksum:      672 9860f430fe435100c103a42c7b5dbc66
    http://security.debian.org/pool/updates/main/k/kernel-source-2.4.19/kernel-source-2.4.19_2.4.19-4.woody2.diff.gz
      Size/MD5 checksum:    47625 cc802c42472c637de501dde07df7cec8
    http://security.debian.org/pool/updates/main/k/kernel-source-2.4.19/kernel-source-2.4.19_2.4.19.orig.tar.gz
      Size/MD5 checksum: 32000211 237896fbb45ae652cc9c5cecc9b746da

    http://security.debian.org/pool/updates/main/k/kernel-patch-2.4.19-mips/kernel-patch-2.4.19-mips_2.4.19-0.020911.1.woody4.dsc
      Size/MD5 checksum:      792 a21174ff774b45160cf3f714ea1ec226
    http://security.debian.org/pool/updates/main/k/kernel-patch-2.4.19-mips/kernel-patch-2.4.19-mips_2.4.19-0.020911.1.woody4.tar.gz
      Size/MD5 checksum:  1032076 96e1ae069ef39afbdae505edc6f11375

  Architecture independent components:

    http://security.debian.org/pool/updates/main/k/kernel-source-2.4.19/kernel-doc-2.4.19_2.4.19-4.woody2_all.deb
      Size/MD5 checksum:  1783144 deaa1a0705f5f334ebbc60734b6bc2c7
    http://security.debian.org/pool/updates/main/k/kernel-source-2.4.19/kernel-source-2.4.19_2.4.19-4.woody2_all.deb
      Size/MD5 checksum: 25895130 f42c8c0b27e644d024e33738a5c87863

    http://security.debian.org/pool/updates/main/k/kernel-patch-2.4.19-mips/kernel-patch-2.4.19-mips_2.4.19-0.020911.1.woody4_all.deb
      Size/MD5 checksum:  1032600 c7ec4194385c7ee8601c7f4c87490d2f

  Big endian MIPS architecture:

    http://security.debian.org/pool/updates/main/k/kernel-patch-2.4.19-mips/kernel-headers-2.4.19_2.4.19-0.020911.1.woody4_mips.deb
      Size/MD5 checksum:  3894818 a2277f0f0f386754f129bac5f9f79af9
    http://security.debian.org/pool/updates/main/k/kernel-patch-2.4.19-mips/kernel-image-2.4.19-r4k-ip22_2.4.19-0.020911.1.woody4_mips.deb
      Size/MD5 checksum:  2075552 c47eb88aa359b8b5613e24256d23ce96
    http://security.debian.org/pool/updates/main/k/kernel-patch-2.4.19-mips/kernel-image-2.4.19-r5k-ip22_2.4.19-0.020911.1.woody4_mips.deb
      Size/MD5 checksum:  2075960 a9a95f93c8dacac25dd45878b520ff37
    http://security.debian.org/pool/updates/main/k/kernel-patch-2.4.19-mips/mips-tools_2.4.19-0.020911.1.woody4_mips.deb
      Size/MD5 checksum:    13114 4b8f0c9fbf91dcc093ac59087b016208


  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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