grsecurity up to 2.1.7 RBAC Local Privilege Escalation

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
7.9	$0-$5k	0.00

Summaryinfo

A vulnerability has been found in grsecurity up to 2.1.7 and classified as problematic. Affected by this vulnerability is an unknown functionality of the component RBAC. The manipulation leads to Local Privilege Escalation. This vulnerability is referenced as CVE-2006-0228. The attack can only be performed from a local environment. No exploit is available.

Detailsinfo

A vulnerability, which was classified as critical, has been found in grsecurity up to 2.1.7. This issue affects an unknown part of the component RBAC. The manipulation with an unknown input leads to a local privilege escalation vulnerability. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

The RBAC functionality in grsecurity before 2.1.8 does not properly handle when the admin role creates a service and then exits the shell without unauthenticating, which causes the service to be restarted with the admin role still active.

The weakness was published 01/17/2006 by Julien Tinnes (Website). The advisory is shared at securityfocus.com. The identification of this vulnerability is CVE-2006-0228 since 01/17/2006. The exploitation is known to be easy. An attack has to be approached locally. No form of authentication is needed for a successful exploitation. Neither technical details nor an exploit are publicly available.

It is declared as proof-of-concept.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the databases at X-Force (24156), SecurityFocus (BID 16261†) and Secunia (SA18458†). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Name

• grsecurity

Version

• 2.0.1
• 2.0.2
• 2.1.0
• 2.1.1
• 2.1.2
• 2.1.3
• 2.1.4
• 2.1.5
• 2.1.6
• 2.1.7

CPE 2.3info

• 🔍
• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍
• 🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.4
VulDB Meta Temp Score: 7.9

VulDB Base Score: 8.4
VulDB Temp Score: 7.9
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Local Privilege Escalation
CWE: Unknown
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Proof-of-Concept

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

01/16/2006 🔍
01/16/2006 +0 days 🔍
01/17/2006 +1 days 🔍
01/17/2006 +0 days 🔍
01/17/2006 +0 days 🔍
03/12/2015 +3341 days 🔍
01/11/2019 +1401 days 🔍

Sourcesinfo

Advisory: securityfocus.com⛔
Researcher: Julien Tinnes
Status: Not defined
Confirmation: 🔍

CVE: CVE-2006-0228 (🔍)
GCVE (CVE): GCVE-0-2006-0228
GCVE (VulDB): GCVE-100-28325
X-Force: 24156 - grsecurity RBAC improper privilege dropping
SecurityFocus: 16261 - GRSecurity Elevated Service Privileges Weakness
Secunia: 18458 - grsecurity RBAC Admin Role Dropping Security Issue, Not Critical
Vupen: ADV-2006-0199

Entryinfo

Created: 03/12/2015 11:11
Updated: 01/11/2019 13:06
Changes: 03/12/2015 11:11 (51), 01/11/2019 13:06 (7)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Discussion

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