Linux Foundation Xen up to 4.5 x86 Emulation access control

CVSS Meta Temp Score
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CTI Interest Score
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4.5$0-$5k0.00

A vulnerability has been found in Linux Foundation Xen up to 4.5 (Virtualization Software) and classified as problematic. This vulnerability affects an unknown part of the component x86 Emulation. 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, and availability.

The weakness was published 03/10/2015 by Felix Wilhelm with ERNW as XSA-123 as confirmed security advisory (Website). The advisory is available at xenbits.xen.org. This vulnerability was named CVE-2015-2151 since 02/28/2015. 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. This vulnerability is assigned to T1068 by the MITRE ATT&CK project.

The vulnerability scanner Nessus provides a plugin with the ID 81768 (OracleVM 3.2 : xen (OVMSA-2015-0032)), 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 124918 (CentOS Security Update for kernel (CESA-2016:0450)).

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 (101438) and Tenable (81768). Similar entries are available at 8425 and 69257.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
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CVSSv3info

VulDB Meta Base Score: 5.1
VulDB Meta Temp Score: 4.5

VulDB Base Score: 5.1
VulDB Temp Score: 4.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

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

Local: Yes
Remote: No

Availability: 🔍
Status: Unproven

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 81768
Nessus Name: OracleVM 3.2 : xen (OVMSA-2015-0032)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Port: 🔍

OpenVAS ID: 703181
OpenVAS Name: Debian Security Advisory DSA 3181-1 (xen - security update)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Patch
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
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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 🔍
04/12/2022 +2588 days 🔍

Sourcesinfo

Vendor: linuxfoundation.org

Advisory: XSA-123
Researcher: Felix Wilhelm
Organization: ERNW
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2015-2151 (🔍)
OVAL: 🔍

X-Force: 101438 - Xen x86 emulator denial of service
SecurityTracker: 1031806
Vulnerability Center: 49023 - Xen Local Information Dislocuse or DoS due to Memory Corruption in x86 Emulator, Medium
SecurityFocus: 73015 - Xen CVE-2015-2151 Memory Corruption Vulnerability

See also: 🔍

Entryinfo

Created: 03/11/2015 09:05
Updated: 04/12/2022 18:46
Changes: 03/11/2015 09:05 (70), 06/22/2017 10:43 (10), 04/12/2022 18:38 (4), 04/12/2022 18:46 (1)
Complete: 🔍

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