Protect yourself against future threats.
-----BEGIN PGP SIGNED MESSAGE-----
===========================================================================
AUSCERT External Security Bulletin Redistribution
ESB-2004.0154 -- Debian Security Advisory DSA 444-1
New Linux 2.4.17 packages fix local root exploit (ia64)
23 February 2004
===========================================================================
AusCERT Security Bulletin Summary
---------------------------------
Product: kernel
Publisher: NetBSD
Operating System: Debian GNU/Linux 3.0
Linux
Platform: IA-64
Impact: Root Compromise
Access Required: Existing Account
CVE Names: CAN-2004-0077
- --------------------------BEGIN INCLUDED TEXT--------------------
- -----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1
- - --------------------------------------------------------------------------
Debian Security Advisory DSA 444-1 security@debian.org
http://www.debian.org/security/ Martin Schulze
February 20th, 2004 http://www.debian.org/security/faq
- - --------------------------------------------------------------------------
Package : kernel-image-2.4.17-ia64
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 011226.16 of ia64 kernel source and images.
Other architectures are or will be mentioned in a separate advisory
respectively or are not affected (m68k).
For the unstable distribution (sid) this problem will be fixed in version
2.4.24-3.
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-image-2.4.17-ia64/kernel-image-2.4.17-ia64_011226.16.dsc
Size/MD5 checksum: 736 ce2c07cdef967852affbded0c3b87d07
http://security.debian.org/pool/updates/main/k/kernel-image-2.4.17-ia64/kernel-image-2.4.17-ia64_011226.16.tar.gz
Size/MD5 checksum: 25404148 fc05010d0a2597556ade2725bd9964ba
Architecture independent components:
http://security.debian.org/pool/updates/main/k/kernel-image-2.4.17-ia64/kernel-source-2.4.17-ia64_011226.16_all.deb
Size/MD5 checksum: 24735276 62b217b8063eee0e7bcc0dab7cf1d436
Intel IA-64 architecture:
http://security.debian.org/pool/updates/main/k/kernel-image-2.4.17-ia64/kernel-headers-2.4.17-ia64_011226.16_ia64.deb
Size/MD5 checksum: 3635878 a80b582cac7154d87a683d3fb26504a9
http://security.debian.org/pool/updates/main/k/kernel-image-2.4.17-ia64/kernel-image-2.4.17-itanium_011226.16_ia64.deb
Size/MD5 checksum: 7019622 55c55179d90f2f65b855a6ae4190cc70
http://security.debian.org/pool/updates/main/k/kernel-image-2.4.17-ia64/kernel-image-2.4.17-itanium-smp_011226.16_ia64.deb
Size/MD5 checksum: 7168586 8f95a26976bcedae6bece27dd60237e1
http://security.debian.org/pool/updates/main/k/kernel-image-2.4.17-ia64/kernel-image-2.4.17-mckinley_011226.16_ia64.deb
Size/MD5 checksum: 7011682 001c6f5ed436bfcd42acbb6d6046b11c
http://security.debian.org/pool/updates/main/k/kernel-image-2.4.17-ia64/kernel-image-2.4.17-mckinley-smp_011226.16_ia64.deb
Size/MD5 checksum: 7161374 586b7f6a4912694036df7dfadd4a57ca
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@lists.debian.org
Package info: `apt-cache show <pkg>' and http://packages.debian.org/<pkg>
- -----BEGIN PGP SIGNATURE-----
Version: GnuPG v1.2.4 (GNU/Linux)
iD8DBQFANcSBW5ql+IAeqTIRAlGGAJwJd1GA9MC3dFwDWGz5u0WErsSvswCcDJe8
DUfyiky20+a5+xx7IocHj+w=
=1rXE
- -----END PGP SIGNATURE-----
- --------------------------END INCLUDED TEXT--------------------
You have received this e-mail bulletin as a result of your organisation's
registration with AusCERT. The mailing list you are subscribed to is
maintained within your organisation, so if you do not wish to continue
receiving these bulletins you should contact your local IT manager. If
you do not know who that is, please send an email to auscert@auscert.org.au
and we will forward your request to the appropriate person.
This security bulletin is provided as a service to AusCERT's members. As
AusCERT did not write the document quoted above, AusCERT has had no control
over its content. The decision to follow or act on information or advice
contained in this security bulletin is the responsibility of each user or
organisation, and should be considered in accordance with your organisation's
site policies and procedures. AusCERT takes no responsibility for consequences
which may arise from following or acting on information or advice contained in
this security bulletin.
NOTE: This is only the original release of the security bulletin. It may
not be updated when updates to the original are made. If downloading at
a later date, it is recommended that the bulletin is retrieved directly
from the author's website to ensure that the information is still current.
Contact information for the authors of the original document is included
in the Security Bulletin above. If you have any questions or need further
information, please contact them directly.
Previous advisories and external security bulletins can be retrieved from:
http://www.auscert.org.au/render.html?cid=1980
If you believe that your computer system has been compromised or attacked in
any way, we encourage you to let us know by completing the secure National IT
Incident Reporting Form at:
http://www.auscert.org.au/render.html?it=3192
Internet Email: auscert@auscert.org.au
Facsimile: (07) 3365 7031
Telephone: (07) 3365 4417 (International: +61 7 3365 4417)
AusCERT personnel answer during Queensland business
hours which are GMT+10:00 (AEST). On call after hours
for member emergencies only.
-----BEGIN PGP SIGNATURE-----
Comment: http://www.auscert.org.au/render.html?it=1967
iQCVAwUBQDmuJyh9+71yA2DNAQGcCAP/YcPDv4g+WXY/GGI/36pvEvSDAmBFDK15
hIm3CGrDPEsIkUrh8x4oYeSAB0WxIR4G1qlt6aEuhgeHoRRDA07R/4wWdBQ5bpPo
11TILhsZt9LT+cBPqig1BiVauOJHZ5fWas/YW8XQngy6UDw/U9QKeHNcTO46kl0t
k2GPHmlHdAc=
=sSQC
-----END PGP SIGNATURE-----