Vserver 2.0.2/2.1.1 privileges management

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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3.6$0-$5k0.00

A vulnerability classified as problematic was found in Vserver 2.0.2/2.1.1. This vulnerability affects some unknown processing. The manipulation with an unknown input leads to a privileges management vulnerability. The CWE definition for the vulnerability is CWE-269. The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor. As an impact it is known to affect confidentiality. CVE summarizes:

Virtual Private Server (Vserver) 2.0.x before 2.0.2-rc18 and 2.1.x before 2.1.1-rc18 provides certain context capabilities (ccaps) that allow local guest users to perform operations that were only intended to be allowed by the guest-root.

The bug was discovered 04/28/2006. The weakness was published 05/01/2006 (Website). The advisory is shared for download at list.linux-vserver.org. This vulnerability was named CVE-2006-2110 since 05/01/2006. The exploitation appears to be easy. The attack needs to be approached locally. No form of authentication is required for a successful exploitation. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1068.

It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 3 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 22602 (Debian DSA-1060-1 : kernel-patch-vserver - programming error), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Debian Local Security Checks and running in the context l.

Upgrading eliminates this vulnerability. A possible mitigation has been published 3 weeks after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (26285) and Tenable (22602).

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
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CVSSv3info

VulDB Meta Base Score: 4.0
VulDB Meta Temp Score: 3.6

VulDB Base Score: 4.0
VulDB Temp Score: 3.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

Class: Privileges management
CWE: CWE-269 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Local: Yes
Remote: No

Availability: 🔍
Status: Proof-of-Concept

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EPSS Percentile: 🔍

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Current Price Estimation: 🔍

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Nessus ID: 22602
Nessus Name: Debian DSA-1060-1 : kernel-patch-vserver - programming error
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Nessus Port: 🔍

OpenVAS ID: 56778
OpenVAS Name: Debian Security Advisory DSA 1060-1 (kernel-patch-vserver)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
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Timelineinfo

04/28/2006 🔍
04/28/2006 +0 days 🔍
05/01/2006 +3 days 🔍
05/01/2006 +0 days 🔍
05/01/2006 +0 days 🔍
05/04/2006 +3 days 🔍
05/04/2006 +0 days 🔍
05/19/2006 +15 days 🔍
10/14/2006 +148 days 🔍
06/27/2007 +256 days 🔍
03/12/2015 +2815 days 🔍
07/21/2019 +1592 days 🔍

Sourcesinfo

Advisory: list.linux-vserver.org
Status: Not defined
Confirmation: 🔍

CVE: CVE-2006-2110 (🔍)
X-Force: 26285
Vulnerability Center: 15475 - Vserver Design Error Allow Local Users to Gain Elevated Privileges, Low
SecurityFocus: 17842 - Linux-VServer Local Insecure Guest Context Capabilities Vulnerability
Secunia: 19961
OSVDB: 25248 - Linux-VServer - Local Insecure Guest Context Capabilities Issue
Vupen: ADV-2006-1661

Entryinfo

Created: 03/12/2015 12:19
Updated: 07/21/2019 08:16
Changes: 03/12/2015 12:19 (74), 07/21/2019 08:16 (5)
Complete: 🔍

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