Vulnerability Assessment & Network Security Forums
If through a vulnerability assessment, a network security issue is detected for the vulnerability below, applying the appropriate security patches in a timely matter is very important. If you have detected that your system has already been compromised, following CERT's Network Security recovery document will assist with recommended steps for system recovery.
Vulnerability Assessment Details
Detailed Explanation for this Vulnerability Assessment
Several vulnerabilities have been discovered in the Debian vserver
support for Linux. The Common Vulnerabilities and Exposures project
identifies the following problems:
Bjørn Steinbrink discovered that the chroot barrier is not set
correctly with util-vserver which may result in unauthorised
escapes from a vserver to the host system.
This vulnerability is limited to the 2.4 kernel patch included in
kernel-patch-vserver. The correction to this problem requires
updating the util-vserver package as well and installing a new
kernel built from the updated kernel-patch-vserver package.
The default policy of util-vserver is set to trust all unknown
capabilities instead of considering them as insecure.
The old stable distribution (woody) does not contain a
For the stable distribution (sarge) this problem has been fixed in
version 220.127.116.11 of kernel-patch-vserver and in version
0.30.204-5sarge3 of util-vserver.
For the unstable distribution (sid) this problem has been fixed in
version 2.3 of kernel-patch-vserver and in version 0.30.208-1 of
We recommend that you upgrade your util-vserver and
kernel-patch-vserver packages and build a new kernel immediately.
Solution : http://www.debian.org/security/2006/dsa-1011
Network Security Threat Level: High
Networks Security ID:
Vulnerability Assessment Copyright: This script is (C) 2007 Michel Arboi
|Knoppix 7.2.0 Live Linux Bootable Startup CD (Runs form CD) +Free Retro Linux CD
|KNOPPIX LINUX - NEW v7.7.1 Live DVD & 16GB 3.0 USB Flash Drive with Persistence
|Knoppix Linux Live USB 32 64 bit Debian GNU Apache MySQL w/setup guide
|KNOPPIX LINUX - NEW v7.7.1 Live on DVD & 8GB USB Flash Drive - Only $9.99
No Discussions have been posted on this vulnerability.