XenSource Xen 4.2/4.3/4.4 VGA Device 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 was found in XenSource Xen 4.2/4.3/4.4 and classified as problematic. This affects an unknown function of the component VGA Device. Such manipulation leads to access control. This vulnerability is traded as CVE-2015-2152. There is no exploit available. A patch should be applied to remediate this issue.

Detailsinfo

A vulnerability was found in XenSource Xen 4.2/4.3/4.4 (Virtualization Software) and classified as problematic. Affected by this issue is an unknown code of the component VGA Device. 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 weakness was shared 03/12/2015 as XSA-119 as confirmed security advisory (Website). The advisory is available at xenbits.xen.org. This vulnerability is handled as CVE-2015-2152 since 02/28/2015. 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.

The vulnerability scanner Nessus provides a plugin with the ID 82051 (Fedora 20 : xen-4.3.3-12.fc20 (2015-3721)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Fedora Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 167942 (OpenSuSE Security Update for xen (openSUSE-SU-2015:1092-1)).

Applying a patch is able to eliminate this problem. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (101512), Tenable (82051), SecurityFocus (BID 73068†), SecurityTracker (ID 1031919†) and Vulnerability Center (SBV-49555†). The entries VDB-69256, VDB-69257, VDB-74496 and VDB-74498 are related to this item. If you want to get best quality of vulnerability data, you may have to visit VulDB.

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: 5.2

VulDB Base Score: 5.9
VulDB Temp Score: 5.2
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
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Unproven

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 82051
Nessus Name: Fedora 20 : xen-4.3.3-12.fc20 (2015-3721)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 867773
OpenVAS Name: Fedora Update for xen FEDORA-2015-9978
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Patch
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
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Timelineinfo

02/28/2015 🔍
03/12/2015 +12 days 🔍
03/12/2015 +0 days 🔍
03/12/2015 +0 days 🔍
03/12/2015 +0 days 🔍
03/13/2015 +1 days 🔍
03/18/2015 +5 days 🔍
03/18/2015 +0 days 🔍
04/14/2015 +27 days 🔍
04/15/2022 +2558 days 🔍

Sourcesinfo

Vendor: citrix.com

Advisory: XSA-119
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2015-2152 (🔍)
GCVE (CVE): GCVE-0-2015-2152
GCVE (VulDB): GCVE-100-73994
X-Force: 101512 - Xen VGA device privilege escalation
SecurityFocus: 73068 - Xen CVE-2015-2152 Information Disclosure Vulnerability
SecurityTracker: 1031919 - Xen HVM qemu Flaw Lets Local Users Access VGA Backend on the Target Guest System
Vulnerability Center: 49555 - Xen 4.5.x and earlier Local Security Bypass due to a Flaw in the Configuration of Default Backends Authorization, Low

See also: 🔍

Entryinfo

Created: 03/13/2015 09:23
Updated: 04/15/2022 12:33
Changes: 03/13/2015 09:23 (72), 06/25/2017 17:26 (8), 04/15/2022 12:25 (3), 04/15/2022 12:33 (1)
Complete: 🔍
Cache ID: 216:D4E:103

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