Linux Foundation Xen 4.0.0/4.1.0/4.2.0 numeric error

CVSS Meta Temp Score
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CTI Interest Score
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6.2$0-$5k0.00

A vulnerability was found in Linux Foundation Xen 4.0.0/4.1.0/4.2.0 (Virtualization Software). It has been declared as critical. This vulnerability affects some unknown processing. The manipulation with an unknown input leads to a numeric error vulnerability. The CWE definition for the vulnerability is CWE-189. As an impact it is known to affect availability. CVE summarizes:

Multiple integer overflows in the (1) tmh_copy_from_client and (2) tmh_copy_to_client functions in the Transcendent Memory (TMEM) in Xen 4.0, 4.1, and 4.2 allow local guest OS users to cause a denial of service (memory corruption and host crash) 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 shared 11/23/2012 (Website). The advisory is available at xforce.iss.net. This vulnerability was named CVE-2012-6032 since 11/23/2012. The exploitation appears to be easy. Local access is required to approach this attack. No form of authentication is required for a successful exploitation. The technical details are unknown and an exploit is not available.

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) and Tenable (70184). The entries 6108, 6106, 6109 and 6110 are related to this item.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

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

VulDB Meta Base Score: 6.2
VulDB Meta Temp Score: 6.2

VulDB Base Score: 6.2
VulDB Temp Score: 6.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

Class: Numeric error
CWE: CWE-189
ATT&CK: Unknown

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: 🔍
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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-2012-6032 (🔍)
X-Force: 78268
SecurityTracker: 1027482 - Xen Transcendent Memory (TMEM) Multiple Flaws Lets Local Users on the Guest Operating System Gain Elevated Privileges on the Host
Vulnerability Center: 42652 - Xen 4.0, 4.1 and 4.2 Local DoS in the Transcendent Memory (CVE-2012-6032), Medium
SecurityFocus: 55410
Secunia: 50472 - Xen Multiple Denial of Service and Privilege Escalation Vulnerabilities, Less Critical
OSVDB: 85199

See also: 🔍

Entryinfo

Created: 03/24/2015 12:22
Updated: 12/20/2021 11:39
Changes: 03/24/2015 12:22 (60), 05/18/2017 08:25 (10), 12/20/2021 11:39 (3)
Complete: 🔍

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