Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

Go to Calendar     Go to Press Room     Go to Newsletters subscription

Search

CVE-2008-5103

Severity CVSS v4.0:
Pending analysis
Type:
CWE-255 Credentials Management
Publication date:
17/11/2008
Last modified:
09/04/2025

Description

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

Vector 2.0
AV:L/AC:L/Au:N/C:C/I:C/A:C CVSS v2.0 Severity and Metrics:

Base Score: 7.20 HIGH
Vector: AV:L/AC:L/Au:N/C:C/I:C/A:C

Attack Vector (AV): Local
Attack Complexity (AC): Low
Authentication (Au): None
Confidentiality (C): Complete
Integrity (I): Complete
Availability (A): Complete

Base Score 2.0
7.20
Severity 2.0
HIGH

Vulnerable products and versions

CPE From Up to
cpe:2.3:a:dcgrendel:vmbuilder:0.9:*:*:*:*:*:*:*
cpe:2.3:o:ubuntu:ubuntu_linux:6.06:_nil_:lts:*:*:*:*:*
cpe:2.3:o:ubuntu:ubuntu_linux:7.10:*:*:*:*:*:*:*
cpe:2.3:o:ubuntu:ubuntu_linux:8.04:_nil_:lts:*:*:*:*:*
cpe:2.3:o:ubuntu:ubuntu_linux:8.10:*:*:*:*:*:*:*

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools