Linux Foundation Xen 4.0.0/4.0.1/4.1.0 access control

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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8.0$0-$5k0.00

A vulnerability classified as critical was found in Linux Foundation Xen 4.0.0/4.0.1/4.1.0 (Virtualization Software). Affected by this vulnerability is an unknown part. The manipulation with an unknown input leads to a access control vulnerability. The CWE definition for the vulnerability is CWE-264. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

Xen 4.1 before 4.1.1 and 4.0 before 4.0.2, when using PCI passthrough on Intel VT-d chipsets that do not have interrupt remapping, allows guest OS users to gain host OS privileges by "using DMA to generate MSI interrupts by writing to the interrupt injection registers."

The weakness was published 08/12/2011 by Rafal Wojtczuk (Website). The advisory is shared at xen.org. This vulnerability is known as CVE-2011-1898 since 05/04/2011. The attack needs to be done within the local network. A single authentication is necessary for exploitation. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 11/17/2021). MITRE ATT&CK project uses the attack technique T1068 for this issue.

The vulnerability scanner Nessus provides a plugin with the ID 75777 (openSUSE Security Update : xen-201107 (openSUSE-SU-2011:0941-1)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family SuSE Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 119800 (CentOS Security Update for Kernel (CESA-2011:1479)).

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 (68355) and Tenable (75777). Similar entry is available at 58284.

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: 8.0
VulDB Meta Temp Score: 8.0

VulDB Base Score: 8.0
VulDB Temp Score: 8.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
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Exploitinginfo

Class: Access control
CWE: CWE-264
ATT&CK: T1068

Local: No
Remote: Partially

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 75777
Nessus Name: openSUSE Security Update : xen-201107 (openSUSE-SU-2011:0941-1)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Port: 🔍

OpenVAS ID: 70551
OpenVAS Name: Debian Security Advisory DSA 2337-1 (xen)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

05/04/2011 🔍
05/12/2011 +8 days 🔍
06/30/2011 +49 days 🔍
07/11/2011 +11 days 🔍
08/12/2011 +32 days 🔍
08/12/2011 +0 days 🔍
06/13/2014 +1036 days 🔍
03/23/2015 +283 days 🔍
11/17/2021 +2431 days 🔍

Sourcesinfo

Vendor: linuxfoundation.org

Advisory: xen.org
Researcher: Rafal Wojtczuk
Status: Not defined
Confirmation: 🔍

CVE: CVE-2011-1898 (🔍)
OVAL: 🔍

X-Force: 68355
Vulnerability Center: 32201 - XenSource Xen Local Privilege Escalation Vulnerability, High
SecurityFocus: 48515 - Multiple Virtualization Applications Intel VT-d chipsets Local Privilege Escalation Vulnerability

See also: 🔍

Entryinfo

Created: 03/23/2015 16:50
Updated: 11/17/2021 23:40
Changes: 03/23/2015 16:50 (61), 03/27/2017 09:09 (12), 11/17/2021 23:40 (3)
Complete: 🔍

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