bugtraq - [SECURITY] [DSA 423-1] New Linux 2.4.17 packages fix several problems (ia64)

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Message-ID: <m1Ah2G6-000pETC__8333.13039406693$1074182455@finlandia.Infodrom.North.DE>
Date: Thu, 15 Jan 2004 08:49:42 +0100 (CET)
From: joey@...odrom.org (Martin Schulze)
To: bugtraq@...urityfocus.com
Subject: [SECURITY] [DSA 423-1] New Linux 2.4.17 packages fix several problems (ia64)


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- --------------------------------------------------------------------------
Debian Security Advisory DSA 423-1                     security@...ian.org
http://www.debian.org/security/                             Martin Schulze
January 15th, 2004                      http://www.debian.org/security/faq
- --------------------------------------------------------------------------

Package        : kernel-image-2.4.17-ia64
Vulnerability  : several
Problem-Type   : local, remote
Debian-specific: no
CVE IDs        : CAN-2003-0001 CAN-2003-0018 CAN-2003-0127 CAN-2003-0461 CAN-2003-0462 CAN-2003-0476 CAN-2003-0501 CAN-2003-0550 CAN-2003-0551 CAN-2003-0552 CAN-2003-0961 CAN-2003-0985

The IA-64 maintainers fixed several security related bugs in the Linux
kernel 2.4.17 used for the IA-64 architecture, mostly by backporting
fixes from 2.4.18.  The corrections are listed below with the
identification from the Common Vulnerabilities and Exposures (CVE)
project:

CAN-2003-0001:

    Multiple ethernet network interface card (NIC) device drivers do
    not pad frames with null bytes, which allows remote attackers to
    obtain information from previous packets or kernel memory by using
    malformed packets, as demonstrated by Etherleak.

CAN-2003-0018:

    Linux kernel 2.4.10 through 2.4.21-pre4 does not properly handle
    the O_DIRECT feature, which allows local attackers with write
    privileges to read portions of previously deleted files, or cause
    file system corruption.

CAN-2003-0127:

    The kernel module loader in Linux kernel 2.2.x before 2.2.25, and
    2.4.x before 2.4.21, allows local users to gain root privileges
    by using ptrace to attach to a child process which is spawned by
    the kernel.

CAN-2003-0461:

    The virtual file /proc/tty/driver/serial in Linux 2.4.x reveals
    the exact number of characters used in serial links, which could
    allow local users to obtain potentially sensitive information such
    as the length of passwords.

CAN-2003-0462:

    A race condition in the way env_start and env_end pointers are
    initialized in the execve system call and used in fs/proc/base.c
    on Linux 2.4 allows local users to cause a denial of service
    (crash).

CAN-2003-0476:

    The execve system call in Linux 2.4.x records the file descriptor
    of the executable process in the file table of the calling
    process, which allows local users to gain read access to
    restricted file descriptors.

CAN-2003-0501:

    The /proc filesystem in Linux allows local users to obtain
    sensitive information by opening various entries in /proc/self
    before executing a setuid program, which causes the program to
    fail to change the ownership and permissions of those entries.

CAN-2003-0550:

    The STP protocol, as enabled in Linux 2.4.x, does not provide
    sufficient security by design, which allows attackers to modify
    the bridge topology.

CAN-2003-0551:

    The STP protocol implementation in Linux 2.4.x does not properly
    verify certain lengths, which could allow attackers to cause a
    denial of service.

CAN-2003-0552:

    Linux 2.4.x allows remote attackers to spoof the bridge Forwarding
    table via forged packets whose source addresses are the same as
    the target.

CAN-2003-0961:

    An integer overflow in brk system call (do_brk function) for Linux
    kernel 2.4.22 and earlier allows local users to gain root
    privileges.

CAN-2003-0985:

    The mremap system call (do_mremap) in Linux kernel 2.4 and 2.6
    does not properly perform boundary checks, which allows local
    users to cause a denial of service and possibly gain privileges by
    causing a remapping of a virtual memory area (VMA) to create a
    zero length VMA.

For the stable distribution (woody) this problem has been fixed in
version kernel-image-2.4.17-ia64 for the ia64 architecture.  Other
architectures are already or will be fixed separately.

For the unstable distribution (sid) this problem will be fixed soon
with newly uploaded packages.


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-image-2.4.17-ia64/kernel-image-2.4.17-ia64_011226.15.dsc
      Size/MD5 checksum:      736 cfd30b9d49a8e701ce13760cf619c3e8
    http://security.debian.org/pool/updates/main/k/kernel-image-2.4.17-ia64/kernel-image-2.4.17-ia64_011226.15.tar.gz
      Size/MD5 checksum: 25403798 8c2cfd213fd07b06cc11e69201d15679

  Architecture independent components:

    http://security.debian.org/pool/updates/main/k/kernel-image-2.4.17-ia64/kernel-source-2.4.17-ia64_011226.15_all.deb
      Size/MD5 checksum: 24731332 d2a7dea12be6f7ca4a1a71a4ca7630f5

  Intel IA-64 architecture:

    http://security.debian.org/pool/updates/main/k/kernel-image-2.4.17-ia64/kernel-headers-2.4.17-ia64_011226.15_ia64.deb
      Size/MD5 checksum:  3636070 eab1dfc65ae7fc48566921d5bffdb78e
    http://security.debian.org/pool/updates/main/k/kernel-image-2.4.17-ia64/kernel-image-2.4.17-itanium_011226.15_ia64.deb
      Size/MD5 checksum:  7022040 67192d2704da8a0b76598c7cfcff34d1
    http://security.debian.org/pool/updates/main/k/kernel-image-2.4.17-ia64/kernel-image-2.4.17-itanium-smp_011226.15_ia64.deb
      Size/MD5 checksum:  7169484 d586b39c26904208de614ca51714b4c9
    http://security.debian.org/pool/updates/main/k/kernel-image-2.4.17-ia64/kernel-image-2.4.17-mckinley_011226.15_ia64.deb
      Size/MD5 checksum:  7012458 11849128d636125bdf83fd3959c6a6cf
    http://security.debian.org/pool/updates/main/k/kernel-image-2.4.17-ia64/kernel-image-2.4.17-mckinley-smp_011226.15_ia64.deb
      Size/MD5 checksum:  7163498 87b87cfbaccbe8e95c8df4e3fe00acee


  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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