XenSource Xen 3.4/4.0/4.1/4.2 Populate-on-Demand resource management

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

Summaryinfo

A vulnerability classified as problematic has been found in XenSource Xen 3.4/4.0/4.1/4.2. Affected by this issue is some unknown functionality of the component Populate-on-Demand Handler. The manipulation leads to resource management. This vulnerability is traded as CVE-2015-7970. There is no exploit available. It is recommended to apply a patch to fix this issue.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in XenSource Xen 3.4/4.0/4.1/4.2 (Virtualization Software). This issue affects some unknown processing of the component Populate-on-Demand Handler. The manipulation with an unknown input leads to a resource management vulnerability. Using CWE to declare the problem leads to CWE-399. Impacted is availability.

The weakness was shared 10/29/2015 by Andrew Cooper with Citrix as XSA-150 as confirmed security advisory (Website). It is possible to read the advisory at xenbits.xen.org. The identification of this vulnerability is CVE-2015-7970 since 10/23/2015. The exploitation is known to be easy. Attacking locally is a requirement. No form of authentication is needed for a successful exploitation. The technical details are unknown and an exploit is not publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 86838 , 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 370027 (Citrix XenServer Security Update (CTX202404)).

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 (107669), Tenable (86838), SecurityFocus (BID 77362†) and Vulnerability Center (SBV-54043†). The entries VDB-78957, VDB-78960 and VDB-78963 are related to this item. Be aware that VulDB is the high quality source 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: 🔍
VulDB Temp Score: 🔍
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NVD Base Score: 🔍

Exploitinginfo

Class: Resource management
CWE: CWE-399 / CWE-404
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: 86838
Nessus File: 🔍
Nessus Risk: 🔍

OpenVAS ID: 703414
OpenVAS Name: Debian Security Advisory DSA 3414-1 (xen - security update)
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: 🔍

Timelineinfo

10/23/2015 🔍
10/29/2015 +6 days 🔍
10/29/2015 +0 days 🔍
10/29/2015 +0 days 🔍
10/29/2015 +0 days 🔍
10/30/2015 +1 days 🔍
10/30/2015 +0 days 🔍
10/30/2015 +0 days 🔍
06/25/2022 +2430 days 🔍

Sourcesinfo

Vendor: citrix.com

Advisory: XSA-150
Researcher: Andrew Cooper
Organization: Citrix
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2015-7970 (🔍)
GCVE (CVE): GCVE-0-2015-7970
GCVE (VulDB): GCVE-100-78959

OVAL: 🔍

X-Force: 107669 - Xen Populate-on-Demand denial of service
SecurityFocus: 77362 - Xen CVE-2015-7970 Local Denial of Service Vulnerability
SecurityTracker: 1034034
Vulnerability Center: 54043 - Xen Local DoS in \x27Populate-on-Demand\x27 Mode due to an Error in Searching the Domain for Memory to Reclaim, Low

See also: 🔍

Entryinfo

Created: 10/30/2015 09:38
Updated: 06/25/2022 14:29
Changes: 10/30/2015 09:38 (70), 03/02/2018 09:35 (6), 06/25/2022 14:28 (4), 06/25/2022 14:29 (1)
Complete: 🔍
Cache ID: 216::103

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