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Debian update for kernel-patch-vserver / util-vserver Advisory Available in Danish 

Secunia Advisory: SA19339  
Release Date: 2006-03-22

Critical:
Less critical
Impact: Security Bypass
Where: Local system
Solution Status: Vendor Patch

OS:Debian GNU/Linux 3.1
Debian GNU/Linux unstable alias sid


CVE reference:CVE-2005-4347 (Secunia mirror)
CVE-2005-4418 (Secunia mirror)

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Description:
Debian has issued updates for kernel-patch-vserver and util-vserver. This fixes two security issues, which can be exploited by malicious programs to bypass certain security restrictions.

1) The 2.4 kernel patch included in the kernel-patch-vserver package does not properly setup the chroot barrier when used with util-vserver. This may result in unauthorised escapes from a vserver to the host system.

2) The default policy of util-vserver is set to trust all unknown capabilities instead of considering them as insecure.

For more information:
SA19333

Solution:
Apply updated packages.

-- Debian GNU/Linux 3.1 alias sarge --

Source archives:

http://security.debian.org/pool/updat...rver/kernel-patch-vserver_1.9.5.5.dsc
Size/MD5 checksum: 637 415731be72a9cd966e2fdb5d4f408c4a
http://security.debian.org/pool/updat...r/kernel-patch-vserver_1.9.5.5.tar.gz
Size/MD5 checksum: 950447 fe6b34612095d2fbdbaab5aefbd83264

http://security.debian.org/pool/updat...ver/util-vserver_0.30.204-5sarge3.dsc
Size/MD5 checksum: 752 e32069a5ca2ef2bc87794cd6c2160821
http://security.debian.org/pool/updat...util-vserver_0.30.204-5sarge3.diff.gz
Size/MD5 checksum: 115947 d0bb2cd998a73905189ee24b5f46dd0d
http://security.debian.org/pool/updat...ver/util-vserver_0.30.204.orig.tar.gz
Size/MD5 checksum: 677831 b315f375b1cef48da1b644dec18f22bd

Architecture independent components:

http://security.debian.org/pool/updat.../kernel-patch-vserver_1.9.5.5_all.deb
Size/MD5 checksum: 436934 b50048ea819d150d660ed96e3988613b

Alpha architecture:

http://security.debian.org/pool/updat...il-vserver_0.30.204-5sarge3_alpha.deb
Size/MD5 checksum: 600660 e52fe0ff93e4c9ca7d58fe8386ebab5a

AMD64 architecture:

http://security.debian.org/pool/updat...il-vserver_0.30.204-5sarge3_amd64.deb
Size/MD5 checksum: 429530 c4155982844c085b7d9bc59d7eaa02c4

Intel IA-32 architecture:

http://security.debian.org/pool/updat...til-vserver_0.30.204-5sarge3_i386.deb
Size/MD5 checksum: 398794 56831faa6fa6d76c601fee78251f50eb

Intel IA-64 architecture:

http://security.debian.org/pool/updat...til-vserver_0.30.204-5sarge3_ia64.deb
Size/MD5 checksum: 640332 ab2b2e4283ca5b62c9d9cf5776b6dadb

Big endian MIPS architecture:

http://security.debian.org/pool/updat...til-vserver_0.30.204-5sarge3_mips.deb
Size/MD5 checksum: 612918 e4a60532f25ce776880261de79278e85

Little endian MIPS architecture:

http://security.debian.org/pool/updat...l-vserver_0.30.204-5sarge3_mipsel.deb
Size/MD5 checksum: 614152 f3aee29aad2682878f8ed22064f3fafa

PowerPC architecture:

http://security.debian.org/pool/updat...-vserver_0.30.204-5sarge3_powerpc.deb
Size/MD5 checksum: 425444 9a7542249c2b70661abab2afd5270462

IBM S/390 architecture:

http://security.debian.org/pool/updat...til-vserver_0.30.204-5sarge3_s390.deb
Size/MD5 checksum: 440880 376560971a0d2db4bfd51beb67d42bff

Sun Sparc architecture:

http://security.debian.org/pool/updat...il-vserver_0.30.204-5sarge3_sparc.deb
Size/MD5 checksum: 395640 51e24ac4754b1aa41277378ee9271a1f

-- Debian GNU/Linux unstable alias sid --

Fixed in version 2.3 of kernel-patch-vserver and in version 0.30.208-1 of util-vserver.

Provided and/or discovered by:
The vendor credits Bjørn Steinbrink.

Original Advisory:
http://www.debian.org/security/2006/dsa-1011

Other References:
SA19333:
http://secunia.com/advisories/19333/



Please note: The information that this Secunia Advisory is based on comes from a third party unless stated otherwise.

Secunia collects, validates, and verifies all vulnerability reports issued by security research groups, vendors, and others.

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