Citrix Xen 4.0.0/4.1.0/4.2.0 Qemu Monitor information disclosure

CVSS Meta Temp Score
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CTI Interest Score
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5.7$0-$5k0.00

A vulnerability was found in Citrix Xen 4.0.0/4.1.0/4.2.0 (Connectivity Software). It has been classified as problematic. This affects some unknown processing of the component Qemu Monitor. The manipulation with an unknown input leads to a information disclosure vulnerability. CWE is classifying the issue as CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

The graphical console in Xen 4.0, 4.1 and 4.2 allows local OS guest administrators to obtain sensitive host resource information via the qemu monitor. NOTE: this might be a duplicate of CVE-2007-0998.

The weakness was disclosed 09/06/2012 as 2012-09/msg00007 as not defined posting (Maillist). The advisory is shared at lists.xen.org. The public release has been coordinated in cooperation with Citrix. This vulnerability is uniquely identified as CVE-2012-4411 since 08/21/2012. The exploitability is told to be easy. An attack has to be approached locally. No form of authentication is needed for exploitation. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1592 for this issue.

The vulnerability scanner Nessus provides a plugin with the ID 79488 (OracleVM 3.0 : xen (OVMSA-2012-0050)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family OracleVM Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 165715 (SUSE Enterprise Linux Security update for libvirt (SUSE-SU-2012:1503-1)).

Applying the patch xsa19 is able to eliminate this problem. The bugfix is ready for download at lists.xen.org. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (78325) and Tenable (79488). The entry 6111 is pretty similar.

Productinfo

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Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.9
VulDB Meta Temp Score: 5.7

VulDB Base Score: 5.9
VulDB Temp Score: 5.7
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: Information disclosure
CWE: CWE-200 / CWE-284 / CWE-266
ATT&CK: T1592

Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 79488
Nessus Name: OracleVM 3.0 : xen (OVMSA-2012-0050)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Port: 🔍

OpenVAS ID: 72172
OpenVAS Name: Debian Security Advisory DSA 2543-1 (xen-qemu-dm-4.0)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Patch: xsa19

Timelineinfo

08/21/2012 🔍
09/06/2012 +16 days 🔍
09/06/2012 +0 days 🔍
09/06/2012 +0 days 🔍
09/06/2012 +0 days 🔍
09/07/2012 +1 days 🔍
09/07/2012 +0 days 🔍
09/10/2012 +3 days 🔍
11/23/2012 +74 days 🔍
04/25/2013 +153 days 🔍
11/26/2014 +580 days 🔍
04/12/2021 +2329 days 🔍

Sourcesinfo

Vendor: citrix.com

Advisory: 2012-09/msg00007
Status: Not defined
Coordinated: 🔍

CVE: CVE-2012-4411 (🔍)
OVAL: 🔍

X-Force: 78325
Vulnerability Center: 39344 - Xen Graphics Console Allows Local Information Disclosure Vulnerability via The Qemu Monitor, Low
SecurityFocus: 55442 - Xen CVE-2012-4411 Local Security Bypass Vulnerability
Secunia: 50493 - Xen Qemu Monitor Console Privilege Escalation Vulnerability, Less Critical
OSVDB: 85203

See also: 🔍

Entryinfo

Created: 09/10/2012 14:35
Updated: 04/12/2021 08:38
Changes: 09/10/2012 14:35 (82), 04/28/2017 09:18 (4), 04/12/2021 08:38 (3)
Complete: 🔍
Committer: olku

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