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Message-ID: <20030609012602.GN31465__20930.3999356509$1055190931@alcor.net>
Date: Sun, 8 Jun 2003 21:26:02 -0400
From: Matt Zimmerman <mdz@...ian.org>
To: bugtraq@...urityfocus.com
Subject: [SECURITY] [DSA-311-1] New kernel packages fix several vulnerabilities
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Debian Security Advisory DSA 311-1 security@...ian.org
http://www.debian.org/security/ Matt Zimmerman
June 8th, 2003 http://www.debian.org/security/faq
- --------------------------------------------------------------------------
Package : kernel
Vulnerability : several
Problem-Type : local, remote
Debian-specific: no
CVE Ids : CVE-2002-0429 CAN-2003-0001 CAN-2003-0127 CAN-2003-0244 CAN-2003-0246 CAN-2003-0247 CAN-2003-0248 CAN-2003-0364
A number of vulnerabilities have been discovered in the Linux kernel.
- - CVE-2002-0429: The iBCS routines in arch/i386/kernel/traps.c for
Linux kernels 2.4.18 and earlier on x86 systems allow local users to
kill arbitrary processes via a a binary compatibility interface
(lcall)
- - 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
- - CAN-2003-0127: The kernel module loader allows local users to gain
root privileges by using ptrace to attach to a child process that is
spawned by the kernel
- - CAN-2003-0244: The route cache implementation in Linux 2.4, and the
Netfilter IP conntrack module, allows remote attackers to cause a
denial of service (CPU consumption) via packets with forged source
addresses that cause a large number of hash table collisions related
to the PREROUTING chain
- - CAN-2003-0246: The ioperm system call in Linux kernel 2.4.20 and
earlier does not properly restrict privileges, which allows local
users to gain read or write access to certain I/O ports.
- - CAN-2003-0247: vulnerability in the TTY layer of the Linux kernel
2.4 allows attackers to cause a denial of service ("kernel oops")
- - CAN-2003-0248: The mxcsr code in Linux kernel 2.4 allows attackers
to modify CPU state registers via a malformed address.
- - CAN-2003-0364: The TCP/IP fragment reassembly handling in the Linux
kernel 2.4 allows remote attackers to cause a denial of service (CPU
consumption) via certain packets that cause a large number of hash
table collisions
This advisory covers only the i386 (Intel IA32) architectures. Other
architectures will be covered by separate advisories.
For the stable distribution (woody) on the i386 architecture, these
problems have been fixed in kernel-source-2.4.18 version 2.4.18-9,
kernel-image-2.4.18-1-i386 version 2.4.18-8, and
kernel-image-2.4.18-i386bf version 2.4.18-5woody1.
For the unstable distribution (sid) these problems are fixed in the
2.4.20 series kernels based on Debian sources.
We recommend that you update your kernel packages.
If you are using the kernel installed by the installation system when
the "bf24" option is selected (for a 2.4.x kernel), you should install
the kernel-image-2.4.18-bf2.4 package. If you installed a different
kernel-image package after installation, you should install the
corresponding 2.4.18-1 kernel. You may use the table below as a
guide.
| If "uname -r" shows: | Install this package:
- ------------------------------------------------------
| 2.4.18-bf2.4 | kernel-image-2.4.18-bf2.4
| 2.4.18-386 | kernel-image-2.4.18-1-386
| 2.4.18-586tsc | kernel-image-2.4.18-1-586tsc
| 2.4.18-686 | kernel-image-2.4.18-1-686
| 2.4.18-686-smp | kernel-image-2.4.18-1-686-smp
| 2.4.18-k6 | kernel-image-2.4.18-1-k6
| 2.4.18-k7 | kernel-image-2.4.18-1-k7
NOTE: that this kernel is not binary compatible with the previous
version. For this reason, the kernel has a different version number
and will not be installed automatically as part of the normal upgrade
process. Any custom modules will need to be rebuilt in order to work
with the new kernel. New PCMCIA modules are provided for all of the
above kernels.
NOTE: A system reboot will be required immediately after the upgrade
in order to replace the running kernel. Remember to read carefully
and follow the instructions given during the kernel upgrade process.
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-2.4.18-1-i386/kernel-image-2.4.18-1-i386_2.4.18-8.dsc
Size/MD5 checksum: 1322 945d8d05b054684880e3af31b28a9e49
http://security.debian.org/pool/updates/main/k/kernel-image-2.4.18-1-i386/kernel-image-2.4.18-1-i386_2.4.18-8.tar.gz
Size/MD5 checksum: 69411 0fa830e16d4f5e46fe1f0ebe0343d11c
Intel IA-32 architecture:
http://security.debian.org/pool/updates/main/k/kernel-image-2.4.18-1-i386/kernel-headers-2.4.18-1_2.4.18-8_i386.deb
Size/MD5 checksum: 3397470 b79b975b73aa31da8b9938aba905a9f6
http://security.debian.org/pool/updates/main/k/kernel-image-2.4.18-1-i386/kernel-headers-2.4.18-1-386_2.4.18-8_i386.deb
Size/MD5 checksum: 3487116 90799a6ccc058be247b235c21ec61503
http://security.debian.org/pool/updates/main/k/kernel-image-2.4.18-1-i386/kernel-headers-2.4.18-1-586tsc_2.4.18-8_i386.deb
Size/MD5 checksum: 3487614 9453587923dd16a964b028d4ba2f9a63
http://security.debian.org/pool/updates/main/k/kernel-image-2.4.18-1-i386/kernel-headers-2.4.18-1-686_2.4.18-8_i386.deb
Size/MD5 checksum: 3487368 5513db336e824b2d16aa503a292047f0
http://security.debian.org/pool/updates/main/k/kernel-image-2.4.18-1-i386/kernel-headers-2.4.18-1-686-smp_2.4.18-8_i386.deb
Size/MD5 checksum: 3488672 afbb191c23dfabb30fe7a8aa1a99bd1f
http://security.debian.org/pool/updates/main/k/kernel-image-2.4.18-1-i386/kernel-headers-2.4.18-1-k6_2.4.18-8_i386.deb
Size/MD5 checksum: 3487282 70ee63953c653de7dfa83531b8ce1245
http://security.debian.org/pool/updates/main/k/kernel-image-2.4.18-1-i386/kernel-headers-2.4.18-1-k7_2.4.18-8_i386.deb
Size/MD5 checksum: 3487402 27c7b5077ed009217a01dbeafa311915
http://security.debian.org/pool/updates/main/k/kernel-image-2.4.18-1-i386/kernel-image-2.4.18-1-386_2.4.18-8_i386.deb
Size/MD5 checksum: 8795814 1cc6de04aa29d9766d48c4c36ae64b3e
http://security.debian.org/pool/updates/main/k/kernel-image-2.4.18-1-i386/kernel-image-2.4.18-1-586tsc_2.4.18-8_i386.deb
Size/MD5 checksum: 8703468 43a2d50765140751ac8fd878f7b66950
http://security.debian.org/pool/updates/main/k/kernel-image-2.4.18-1-i386/kernel-image-2.4.18-1-686_2.4.18-8_i386.deb
Size/MD5 checksum: 8700336 894ded8e3e34be04b741ac706d5cc288
http://security.debian.org/pool/updates/main/k/kernel-image-2.4.18-1-i386/kernel-image-2.4.18-1-686-smp_2.4.18-8_i386.deb
Size/MD5 checksum: 8959054 b59983d4ed1d9f214fe17bf624a85df7
http://security.debian.org/pool/updates/main/k/kernel-image-2.4.18-1-i386/kernel-image-2.4.18-1-k6_2.4.18-8_i386.deb
Size/MD5 checksum: 8659474 6d86c580433b69464c238e69eec8ad9e
http://security.debian.org/pool/updates/main/k/kernel-image-2.4.18-1-i386/kernel-image-2.4.18-1-k7_2.4.18-8_i386.deb
Size/MD5 checksum: 8861530 5f1935679b4628636f8da61f54a95fee
http://security.debian.org/pool/updates/main/k/kernel-image-2.4.18-1-i386/kernel-pcmcia-modules-2.4.18-1-386_2.4.18-8_i386.deb
Size/MD5 checksum: 227910 06d05b43ca1a5ec9700274f6d1035c31
http://security.debian.org/pool/updates/main/k/kernel-image-2.4.18-1-i386/kernel-pcmcia-modules-2.4.18-1-586tsc_2.4.18-8_i386.deb
Size/MD5 checksum: 227482 c5f357cf54a363ff62f6037a41a0702a
http://security.debian.org/pool/updates/main/k/kernel-image-2.4.18-1-i386/kernel-pcmcia-modules-2.4.18-1-686_2.4.18-8_i386.deb
Size/MD5 checksum: 226924 9d8aa23b21e71aa603c66f47f35e967f
http://security.debian.org/pool/updates/main/k/kernel-image-2.4.18-1-i386/kernel-pcmcia-modules-2.4.18-1-686-smp_2.4.18-8_i386.deb
Size/MD5 checksum: 230574 7d25c186114a62b609bedab0f5354d0b
http://security.debian.org/pool/updates/main/k/kernel-image-2.4.18-1-i386/kernel-pcmcia-modules-2.4.18-1-k6_2.4.18-8_i386.deb
Size/MD5 checksum: 226564 540eabdaf90bcda800221c712c996524
http://security.debian.org/pool/updates/main/k/kernel-image-2.4.18-1-i386/kernel-pcmcia-modules-2.4.18-1-k7_2.4.18-8_i386.deb
Size/MD5 checksum: 229836 d63194dd5ae452d0a7d814ee9b75a60a
Source archives:
http://security.debian.org/pool/updates/main/k/kernel-image-2.4.18-i386bf/kernel-image-2.4.18-i386bf_2.4.18-5woody1.dsc
Size/MD5 checksum: 653 d3a0a6b26b6282d9ba8af5c2f7008378
http://security.debian.org/pool/updates/main/k/kernel-image-2.4.18-i386bf/kernel-image-2.4.18-i386bf_2.4.18-5woody1.tar.gz
Size/MD5 checksum: 25420 66fe5aac9c60c4dfa865d563dfbbaed5
Intel IA-32 architecture:
http://security.debian.org/pool/updates/main/k/kernel-image-2.4.18-i386bf/kernel-headers-2.4.18-bf2.4_2.4.18-5woody1_i386.deb
Size/MD5 checksum: 3409156 325717b6867a715d5a0ef8364d8cb29c
http://security.debian.org/pool/updates/main/k/kernel-image-2.4.18-i386bf/kernel-image-2.4.18-bf2.4_2.4.18-5woody1_i386.deb
Size/MD5 checksum: 6423164 d510d8aaedbeb91fa2e90e9cabf5b39b
Source archives:
http://security.debian.org/pool/updates/main/k/kernel-source-2.4.18/kernel-source-2.4.18_2.4.18-9.dsc
Size/MD5 checksum: 796 fac77414e913e144645d22048b19bf01
http://security.debian.org/pool/updates/main/k/kernel-source-2.4.18/kernel-source-2.4.18_2.4.18-9.diff.gz
Size/MD5 checksum: 60409 443b9fee98c7d22995efbdeca3ca1afc
http://security.debian.org/pool/updates/main/k/kernel-source-2.4.18/kernel-source-2.4.18_2.4.18.orig.tar.gz
Size/MD5 checksum: 29818323 24b4c45a04a23eb4ce465eb326a6ddf2
Architecture independent components:
http://security.debian.org/pool/updates/main/k/kernel-source-2.4.18/kernel-doc-2.4.18_2.4.18-9_all.deb
Size/MD5 checksum: 1709588 9bbb7ae427dc843d0c5ebe0f4a013cb4
http://security.debian.org/pool/updates/main/k/kernel-source-2.4.18/kernel-source-2.4.18_2.4.18-9_all.deb
Size/MD5 checksum: 23885800 e12cb29bd638ec9bdedacd07f31a6921
Intel IA-32 architecture:
http://security.debian.org/pool/updates/main/p/pcmcia-cs/pcmcia-modules-2.4.18-bf2.4_3.1.33-6woody1k5woody1_i386.deb
Size/MD5 checksum: 403194 30c203861afa9678cc5fb08f90021ba6
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: debian-security-announce@...ts.debian.org
Package info: `apt-cache show <pkg>' and http://packages.debian.org/<pkg>
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