National Cyber-Alert System
Vulnerability Summary for CVE-2008-5103
Original release date:11/17/2008
Last revised:08/12/2009
Source:
US-CERT/NIST
Overview
The (1) python-vm-builder and (2) ubuntu-vm-builder implementations in VMBuilder 0.9 in Ubuntu 8.10 omit the -e option when invoking chpasswd with a root:! argument, which configures the root account with a cleartext password of ! (exclamation point) and allows attackers to bypass intended login restrictions.
Impact
CVSS Severity (version 2.0):
Impact Subscore:
10.0
Exploitability Subscore:
3.9
CVSS Version 2 Metrics:
Access Vector: Locally exploitable
Access Complexity: Low
Authentication: Not required to exploit
Impact Type:Provides administrator access, Allows complete confidentiality, integrity, and availability violation; Allows unauthorized disclosure of information; Allows disruption of service
References to Advisories, Solutions, and Tools
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External Source: BID
Name: 32292
Type: Patch Information
External Source: SECUNIA
Name: 32697
Type: Advisory; Patch Information
External Source: CONFIRM
Name: https://bugs.launchpad.net/ubuntu/+source/vm-builder/+bug/296841
External Source: XF
Name: vmbuilder-password-weak-security(46603)
External Source: UBUNTU
Name: USN-670-1
Type: Advisory
External Source: CONFIRM
Name: http://launchpadlibrarian.net/19619929/vm-builder_0.9-0ubuntu3.1.debdiff
