Linux Foundation Xen 4.0.0/4.1.0/4.2.0 do_tmem_control access control

CVSS Meta Temp Score
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CTI Interest Score
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5.9$0-$5k0.00

Summaryinfo

A vulnerability was found in Linux Foundation Xen 4.0.0/4.1.0/4.2.0. It has been rated as problematic. Impacted is the function do_tmem_control. The manipulation leads to access control. This vulnerability is referenced as CVE-2012-6033. No exploit is available.

Detailsinfo

A vulnerability was found in Linux Foundation Xen 4.0.0/4.1.0/4.2.0 (Virtualization Software). It has been rated as problematic. This issue affects the function do_tmem_control. 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. The summary by CVE is:

The do_tmem_control function in the Transcendent Memory (TMEM) in Xen 4.0, 4.1, and 4.2 does not properly check privileges, which allows local guest OS users to access control stack operations via unspecified vectors. NOTE: this issue was originally published as part of CVE-2012-3497, which was too general; CVE-2012-3497 has been SPLIT into this ID and others.

The weakness was published 11/23/2012 (Website). It is possible to read the advisory at xforce.iss.net. The identification of this vulnerability is CVE-2012-6033 since 11/23/2012. Attacking locally is a requirement. No form of authentication is needed for a successful exploitation. Technical details of the vulnerability are known, but there is no available exploit. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 12/20/2021). The attack technique deployed by this issue is T1068 according to MITRE ATT&CK.

The vulnerability scanner Nessus provides a plugin with the ID 70184 (GLSA-201309-24 : Xen: Multiple vulnerabilities), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Gentoo Local Security Checks.

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 (78268), Tenable (70184), SecurityFocus (BID 55410†), OSVDB (85199†) and Secunia (SA50472†). Similar entries are available at VDB-6108, VDB-6106, VDB-6109 and VDB-6110. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

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

VulDB Base Score: 5.9
VulDB Temp Score: 5.9
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: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 70184
Nessus Name: GLSA-201309-24 : Xen: Multiple vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

09/05/2012 🔍
09/05/2012 +0 days 🔍
09/05/2012 +0 days 🔍
11/23/2012 +79 days 🔍
11/23/2012 +0 days 🔍
11/23/2012 +0 days 🔍
12/19/2013 +391 days 🔍
03/24/2015 +460 days 🔍
12/20/2021 +2463 days 🔍

Sourcesinfo

Vendor: linuxfoundation.org

Advisory: xforce.iss.net
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2012-6033 (🔍)
GCVE (CVE): GCVE-0-2012-6033
GCVE (VulDB): GCVE-100-63035
X-Force: 78268
SecurityFocus: 55410
Secunia: 50472 - Xen Multiple Denial of Service and Privilege Escalation Vulnerabilities, Less Critical
OSVDB: 85199
SecurityTracker: 1027482 - Xen Transcendent Memory (TMEM) Multiple Flaws Lets Local Users on the Guest Operating System Gain Elevated Privileges on the Host
Vulnerability Center: 42653 - Xen 4.0, 4.1 and 4.2 Local Privilege Escalation in the Transcendent Memory (CVE-2012-6033), Medium

See also: 🔍

Entryinfo

Created: 03/24/2015 12:22
Updated: 12/20/2021 11:46
Changes: 03/24/2015 12:22 (61), 05/18/2017 08:26 (10), 12/20/2021 11:46 (3)
Complete: 🔍
Cache ID: 216:BAA:103

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