grsecurity Kernel Patch up to 2.4.33.1 RBAC access control

CVSS Meta Temp Score
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CTI Interest Score
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5.2$0-$5k0.00

Summaryinfo

A vulnerability labeled as problematic has been found in grsecurity Kernel Patch up to 2.4.33.1. This vulnerability affects unknown code of the component RBAC. Such manipulation leads to access control. This vulnerability is uniquely identified as CVE-2008-1940. No exploit exists. The affected component should be upgraded.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in grsecurity Kernel Patch up to 2.4.33.1. Affected by this issue is an unknown part of the component RBAC. The manipulation with an unknown input leads to a access control vulnerability. Using CWE to declare the problem leads to CWE-264. Impacted is confidentiality, integrity, and availability. CVE summarizes:

The RBAC functionality in grsecurity before 2.1.11-2.6.24.5 and 2.1.11-2.4.36.2 does not enforce user_transition_deny and user_transition_allow rules for the (1) sys_setfsuid and (2) sys_setfsgid calls, which allows local users to bypass restrictions for those calls.

The weakness was disclosed 04/25/2008 (Website). The advisory is available at securityfocus.com. This vulnerability is handled as CVE-2008-1940 since 04/24/2008. The exploitation is known to be easy. Local access is required to approach this attack. No form of authentication is required for exploitation. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1068 by the MITRE ATT&CK project.

It is declared as proof-of-concept.

Upgrading to version 2.4.33.2 eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (41952), SecurityFocus (BID 28889†), Secunia (SA29899†) and SecurityTracker (ID 1019919†). If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.9
VulDB Meta Temp Score: 5.2

VulDB Base Score: 5.9
VulDB Temp Score: 5.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Access control
CWE: CWE-264
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Proof-of-Concept

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Kernel Patch 2.4.33.2

Timelineinfo

04/22/2008 🔍
04/22/2008 +0 days 🔍
04/23/2008 +1 days 🔍
04/24/2008 +1 days 🔍
04/25/2008 +1 days 🔍
04/25/2008 +0 days 🔍
03/16/2015 +2516 days 🔍
11/12/2017 +972 days 🔍

Sourcesinfo

Advisory: securityfocus.com⛔
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2008-1940 (🔍)
GCVE (CVE): GCVE-0-2008-1940
GCVE (VulDB): GCVE-100-42122
X-Force: 41952 - grsecurity Role-Based Access Control (RBAC) security bypass
SecurityFocus: 28889 - grsecurity Multiple RBAC Local Security Bypass Vulnerabilities
Secunia: 29899 - grsecurity RBAC User Transition Security Issue, Not Critical
SecurityTracker: 1019919
Vupen: ADV-2008-1323

Entryinfo

Created: 03/16/2015 17:00
Updated: 11/12/2017 14:16
Changes: 03/16/2015 17:00 (58), 11/12/2017 14:16 (7)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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