XenSource Xen 4.0/4.1/4.2/4.4 vcpu Pointer Array resource management
CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
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3.5 | $0-$5k | 0.00 |
A vulnerability classified as problematic was found in XenSource Xen 4.0/4.1/4.2/4.4 (Virtualization Software). This vulnerability affects an unknown code block of the component vcpu Pointer Array. The manipulation with an unknown input leads to a resource management vulnerability. The CWE definition for the vulnerability is CWE-399. As an impact it is known to affect availability.
The weakness was presented 10/29/2015 by Jan Beulich with Citrix as XSA-149 as confirmed security advisory (Website). The advisory is available at xenbits.xen.org. This vulnerability was named CVE-2015-7969 since 10/23/2015. 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.
The vulnerability scanner Nessus provides a plugin with the ID 86840 , which helps to determine the existence of the flaw in a target environment. The commercial vulnerability scanner Qualys is able to test this issue with plugin 168296 (SUSE Enterprise Linux Security update for xen (SUSE-SU-2015:2306-1)).
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 (107668) and Tenable (86840). See 79345 and 79749 for similar entries.
Product
Type
Vendor
Name
Version
License
CPE 2.3
CPE 2.2
CVSSv4
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CVSSv3
VulDB Meta Base Score: 4.0VulDB Meta Temp Score: 3.5
VulDB Base Score: 4.0
VulDB Temp Score: 3.5
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VulDB Reliability: 🔍
CVSSv2
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Exploiting
Class: Resource managementCWE: CWE-399 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍
Local: Yes
Remote: No
Availability: 🔍
Status: Unproven
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Nessus ID: 86840
Nessus File: 🔍
Nessus Risk: 🔍
OpenVAS ID: 703414
OpenVAS Name: Debian Security Advisory DSA 3414-1 (xen - security update)
OpenVAS File: 🔍
OpenVAS Family: 🔍
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Threat Intelligence
Interest: 🔍Active Actors: 🔍
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Countermeasures
Recommended: PatchStatus: 🔍
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Timeline
10/23/2015 🔍10/29/2015 🔍
10/29/2015 🔍
10/29/2015 🔍
10/29/2015 🔍
10/30/2015 🔍
10/30/2015 🔍
10/30/2015 🔍
06/25/2022 🔍
Sources
Vendor: citrix.comAdvisory: XSA-149
Researcher: Jan Beulich
Organization: Citrix
Status: Confirmed
Confirmation: 🔍
CVE: CVE-2015-7969 (🔍)
OVAL: 🔍
X-Force: 107668 - Xen pointer array denial of service
SecurityTracker: 1034033
Vulnerability Center: 54041 - Xen 4.0 - 4.6 and 4.6.* Remote DoS due to Memory Leak, Medium
SecurityFocus: 77364 - Xen CVE-2015-7969 Multiple Denial of Service Vulnerabilities
See also: 🔍
Entry
Created: 10/30/2015 09:38Updated: 06/25/2022 14:26
Changes: 10/30/2015 09:38 (70), 03/02/2018 09:34 (6), 06/25/2022 14:23 (4), 06/25/2022 14:26 (1)
Complete: 🔍
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