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Test ID:1.3.6.1.4.1.25623.1.0.59158
Category:Ubuntu Local Security Checks
Title:Ubuntu USN-470-1 (linux-source-2.6.20)
Summary:Ubuntu USN-470-1 (linux-source-2.6.20)
Description:
The remote host is missing an update to linux-source-2.6.20
announced via advisory USN-470-1.

A security issue affects the following Ubuntu releases:

Ubuntu 7.04

This advisory also applies to the corresponding versions of
Kubuntu, Edubuntu, and Xubuntu.

Details follow:

USN-464-1 fixed several vulnerabilities in the Linux kernel. Some
additional code changes were accidentally included in the Feisty update
which caused trouble for some people who were not using UUID-based
filesystem mounts. These changes have been reverted. We apologize for
the inconvenience. For more information see:
https://launchpad.net/bugs/117314
https://wiki.ubuntu.com/UsingUUID

Ilja van Sprundel discovered that Bluetooth setsockopt calls could leak
kernel memory contents via an uninitialized stack buffer. A local
attacker could exploit this flaw to view sensitive kernel information.
(CVE-2007-1353)

The GEODE-AES driver did not correctly initialize its encryption key.
Any data encrypted using this type of device would be easily compromised.
(CVE-2007-2451)

The random number generator was hashing a subset of the available
entropy, leading to slightly less random numbers. Additionally, systems
without an entropy source would be seeded with the same inputs at boot
time, leading to a repeatable series of random numbers. (CVE-2007-2453)

Solution:
The problem can be corrected by upgrading your system to the
following package versions:

Ubuntu 7.04:
linux-image-2.6.20-16-386 2.6.20-16.29
linux-image-2.6.20-16-generic 2.6.20-16.29
linux-image-2.6.20-16-hppa32 2.6.20-16.29
linux-image-2.6.20-16-hppa64 2.6.20-16.29
linux-image-2.6.20-16-itanium 2.6.20-16.29
linux-image-2.6.20-16-lowlatency 2.6.20-16.29
linux-image-2.6.20-16-mckinley 2.6.20-16.29
linux-image-2.6.20-16-powerpc 2.6.20-16.29
linux-image-2.6.20-16-powerpc-smp 2.6.20-16.29
linux-image-2.6.20-16-powerpc64-smp 2.6.20-16.29
linux-image-2.6.20-16-server 2.6.20-16.29
linux-image-2.6.20-16-server-bigiron 2.6.20-16.29
linux-image-2.6.20-16-sparc64 2.6.20-16.29
linux-image-2.6.20-16-sparc64-smp 2.6.20-16.29

After a standard system upgrade you need to reboot your computer to
effect the necessary changes.

http://www.securityspace.com/smysecure/catid.html?in=USN-470-1

Risk factor : Medium
Cross-Ref: Common Vulnerability Exposure (CVE) ID: CVE-2007-1353
Debian Security Information: DSA-1356 (Google Search)
http://www.debian.org/security/2007/dsa-1356
Debian Security Information: DSA-1503 (Google Search)
http://www.debian.org/security/2008/dsa-1503
Debian Security Information: DSA-1504 (Google Search)
http://www.debian.org/security/2008/dsa-1504
RedHat Security Advisories: RHSA-2007:0376
https://rhn.redhat.com/errata/RHSA-2007-0376.html
RedHat Security Advisories: RHSA-2007:0488
http://rhn.redhat.com/errata/RHSA-2007-0488.html
http://www.redhat.com/support/errata/RHSA-2007-0673.html
http://www.redhat.com/support/errata/RHSA-2007-0672.html
http://www.redhat.com/support/errata/RHSA-2007-0671.html
SuSE Security Announcement: SUSE-SA:2007:035 (Google Search)
http://www.novell.com/linux/security/advisories/2007_35_kernel.html
http://www.ubuntu.com/usn/usn-470-1
http://www.ubuntu.com/usn/usn-486-1
http://www.ubuntu.com/usn/usn-489-1
BugTraq ID: 23594
http://www.securityfocus.com/bid/23594
http://oval.mitre.org/repository/data/getDef?id=oval:org.mitre.oval:def:10626
http://www.vupen.com/english/advisories/2007/1495
http://secunia.com/advisories/24976
http://secunia.com/advisories/25596
http://secunia.com/advisories/25700
http://secunia.com/advisories/25683
http://secunia.com/advisories/25838
http://secunia.com/advisories/26133
http://secunia.com/advisories/26139
http://secunia.com/advisories/26289
http://secunia.com/advisories/26379
http://secunia.com/advisories/26478
http://secunia.com/advisories/26450
http://secunia.com/advisories/27528
http://secunia.com/advisories/29058
Common Vulnerability Exposure (CVE) ID: CVE-2007-2451
BugTraq ID: 24150
http://www.securityfocus.com/bid/24150
http://www.vupen.com/english/advisories/2007/1987
http://osvdb.org/35925
http://secunia.com/advisories/25398
XForce ISS Database: kernel-geodeaes-unspecified(34545)
http://xforce.iss.net/xforce/xfdb/34545
Common Vulnerability Exposure (CVE) ID: CVE-2007-2453
http://marc.info/?l=linux-kernel&m=118128610219959&w=2
http://marc.info/?l=linux-kernel&m=118128622431272&w=2
http://www.mandriva.com/security/advisories?name=MDKSA-2007:171
http://www.mandriva.com/security/advisories?name=MDKSA-2007:196
http://www.mandriva.com/security/advisories?name=MDKSA-2007:216
SuSE Security Announcement: SUSE-SA:2007:043 (Google Search)
http://www.novell.com/linux/security/advisories/2007_43_kernel.html
SuSE Security Announcement: SUSE-SA:2007:051 (Google Search)
http://www.novell.com/linux/security/advisories/2007_51_kernel.html
BugTraq ID: 24390
http://www.securityfocus.com/bid/24390
http://osvdb.org/37114
http://oval.mitre.org/repository/data/getDef?id=oval:org.mitre.oval:def:9960
http://www.vupen.com/english/advisories/2007/2105
http://www.securitytracker.com/id?1018248
http://secunia.com/advisories/25961
http://secunia.com/advisories/26620
http://secunia.com/advisories/26664
XForce ISS Database: kernel-randomnumber-weak-security(34781)
http://xforce.iss.net/xforce/xfdb/34781
CopyrightCopyright (c) 2007 E-Soft Inc. http://www.securityspace.com

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