Dcgrendel VMBuilder 0.9 root:! credentials management

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8.0$0-$5k0.00

A vulnerability was found in Dcgrendel VMBuilder 0.9. It has been declared as critical. Affected by this vulnerability is an unknown code block. The manipulation of the argument root:! with an unknown input leads to a credentials management vulnerability. The CWE definition for the vulnerability is CWE-255. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

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.

The weakness was presented 11/14/2008 (Website). It is possible to read the advisory at ubuntu.com. This vulnerability is known as CVE-2008-5103 since 11/17/2008. The exploitation appears to be easy. Attacking locally is a requirement. The exploitation doesn't need any form of authentication. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1552 according to MITRE ATT&CK.

The vulnerability scanner Nessus provides a plugin with the ID 37886 (Ubuntu 6.06 LTS / 7.10 / 8.04 LTS / 8.10 : vm-builder vulnerability (USN-670-1)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Ubuntu Local Security Checks and running in the context l.

Upgrading eliminates this vulnerability. A possible mitigation has been published even before and not after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (46603) and Tenable (37886). See 45044 for similar entry.

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CPE 2.3info

CPE 2.2info

CVSSv4info

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CVSSv3info

VulDB Meta Base Score: 8.4
VulDB Meta Temp Score: 8.0

VulDB Base Score: 8.4
VulDB Temp Score: 8.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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Exploitinginfo

Class: Credentials management
CWE: CWE-255
ATT&CK: T1552

Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

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Nessus ID: 37886
Nessus Name: Ubuntu 6.06 LTS / 7.10 / 8.04 LTS / 8.10 : vm-builder vulnerability (USN-670-1)
Nessus File: 🔍
Nessus Risk: 🔍
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OpenVAS ID: 840256
OpenVAS Name: Ubuntu Update for erlang vulnerability USN-624-2
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OpenVAS Family: 🔍

Threat Intelligenceinfo

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Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

11/13/2008 🔍
11/13/2008 +0 days 🔍
11/14/2008 +1 days 🔍
11/14/2008 +0 days 🔍
11/14/2008 +0 days 🔍
11/17/2008 +2 days 🔍
11/17/2008 +0 days 🔍
04/23/2009 +157 days 🔍
03/17/2015 +2154 days 🔍
04/21/2019 +1496 days 🔍

Sourcesinfo

Advisory: ubuntu.com
Status: Not defined
Confirmation: 🔍

CVE: CVE-2008-5103 (🔍)
X-Force: 46603
SecurityFocus: 32292 - Ubuntu vm-builder Local Security Bypass Vulnerability
Secunia: 32697 - Ubuntu vm-builder Root Password Vulnerability, Moderately Critical
OSVDB: 49996 - Ubuntu VMBuilder Multiple Utillity root Account Persistant Default Password

See also: 🔍

Entryinfo

Created: 03/17/2015 16:11
Updated: 04/21/2019 09:04
Changes: 03/17/2015 16:11 (69), 04/21/2019 09:04 (5)
Complete: 🔍

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