XenSource Xen 3.2/4.0/4.1/4.2 Non-Maskable Interrupt access control

CVSS Meta Temp Score
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CTI Interest Score
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3.5$0-$5k0.00

Summaryinfo

A vulnerability has been found in XenSource Xen 3.2/4.0/4.1/4.2 and classified as problematic. This vulnerability affects unknown code of the component Non-Maskable Interrupt Handler. The manipulation leads to access control. This vulnerability was named CVE-2015-2150. There is no exploit available. It is recommended to apply a patch to fix this issue. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Detailsinfo

A vulnerability, which was classified as problematic, was found in XenSource Xen 3.2/4.0/4.1/4.2 (Virtualization Software). This affects an unknown function of the component Non-Maskable Interrupt Handler. The manipulation with an unknown input leads to a access control vulnerability. CWE is classifying the issue as CWE-264. This is going to have an impact on availability.

The weakness was presented 03/10/2015 by Jan Beulich with SuSE as XSA-120 as confirmed security advisory (Website). It is possible to read the advisory at xenbits.xen.org. This vulnerability is uniquely identified as CVE-2015-2150 since 02/28/2015. The exploitability is told to be easy. Attacking locally is a requirement. No form of authentication is needed for exploitation. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1068 according to MITRE ATT&CK.

The vulnerability scanner Nessus provides a plugin with the ID 83040 (Fedora 22 : kernel-4.0.0-1.fc22 (2015-6100)), 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 155207 (Oracle Enterprise Linux Security Update for Unbreakable Enterprise Kernel (ELSA-2015-3019)).

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 (101466), Tenable (83040), SecurityFocus (BID 73014†), SecurityTracker (ID 1031902†) and Vulnerability Center (SBV-49019†). See VDB-69034, VDB-74643, VDB-75569 and VDB-82313 for similar entries. 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: 4.0
VulDB Meta Temp Score: 3.5

VulDB Base Score: 4.0
VulDB Temp Score: 3.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

Class: Access control
CWE: CWE-264
CAPEC: 🔍
ATT&CK: 🔍

Local: Yes
Remote: No

Availability: 🔍
Status: Unproven

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 83040
Nessus Name: Fedora 22 : kernel-4.0.0-1.fc22 (2015-6100)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Port: 🔍

OpenVAS ID: 800909
OpenVAS Name: Fedora Update for kernel FEDORA-2015-5024
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: 🔍
Exposure Time: 🔍

Patch: af6fc858a35b90e89ea7a7ee58e66628c55c776b

Timelineinfo

02/28/2015 🔍
03/10/2015 +10 days 🔍
03/10/2015 +0 days 🔍
03/10/2015 +0 days 🔍
03/10/2015 +0 days 🔍
03/11/2015 +1 days 🔍
03/11/2015 +0 days 🔍
03/12/2015 +1 days 🔍
03/12/2015 +0 days 🔍
04/24/2015 +43 days 🔍
04/15/2022 +2548 days 🔍

Sourcesinfo

Vendor: citrix.com

Advisory: XSA-120
Researcher: Jan Beulich
Organization: SuSE
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2015-2150 (🔍)
GCVE (CVE): GCVE-0-2015-2150
GCVE (VulDB): GCVE-100-73983

OVAL: 🔍

X-Force: 101466 - Xen Non-Maskable Interrupts denial of service
SecurityFocus: 73014 - Xen CVE-2015-2150 Denial of Service Vulnerability
SecurityTracker: 1031902 - Xen Non-maskable Interrupt Generation Lets Local Guest Users Crash the Host System
Vulnerability Center: 49019 - Xen Local DoS due to Non-Maskable Interrupts triggered by Guests, Medium

See also: 🔍

Entryinfo

Created: 03/12/2015 09:39 AM
Updated: 04/15/2022 10:17 AM
Changes: 03/12/2015 09:39 AM (75), 06/22/2017 10:43 AM (10), 04/15/2022 10:10 AM (5), 04/15/2022 10:17 AM (1)
Complete: 🔍
Cache ID: 18:F7A:40

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