XenSource Xen 3.4/4.0/4.1/4.2/4.3 domctl code

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

Summaryinfo

A vulnerability was found in XenSource Xen 3.4/4.0/4.1/4.2/4.3 and classified as problematic. The affected element is an unknown function of the component domctl Handler. Such manipulation leads to denial of service. This vulnerability is listed as CVE-2015-2751. There is no available exploit. A patch should be applied to remediate this issue.

Detailsinfo

A vulnerability was found in XenSource Xen 3.4/4.0/4.1/4.2/4.3 (Virtualization Software) and classified as problematic. Affected by this issue is an unknown code of the component domctl Handler. The manipulation with an unknown input leads to a code vulnerability. Using CWE to declare the problem leads to CWE-17. Impacted is availability. CVE summarizes:

Xen 4.3.x, 4.4.x, and 4.5.x, when using toolstack disaggregation, allows remote domains with partial management control to cause a denial of service (host lock) via unspecified domctl operations.

The weakness was presented 03/31/2015 by Andrew Cooper with Citrix as XSA-127 as confirmed security advisory (Website). The advisory is available at xenbits.xen.org. This vulnerability is handled as CVE-2015-2751 since 03/26/2015. 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.

The vulnerability scanner Nessus provides a plugin with the ID 82729 (Fedora 21 : xen-4.4.2-2.fc21 (2015-5208)), 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 (101907), Tenable (82729), SecurityFocus (BID 73443†), SecurityTracker (ID 1031997†) and Vulnerability Center (SBV-49313†). See VDB-69256, VDB-69257, VDB-73994 and VDB-74496 for similar entries. 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: 🔍
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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: Code
CWE: CWE-17
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Status: Unproven

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 82729
Nessus Name: Fedora 21 : xen-4.4.2-2.fc21 (2015-5208)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Port: 🔍

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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Countermeasuresinfo

Recommended: Patch
Status: 🔍

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Timelineinfo

03/26/2015 🔍
03/31/2015 +5 days 🔍
03/31/2015 +0 days 🔍
03/31/2015 +0 days 🔍
04/01/2015 +1 days 🔍
04/01/2015 +0 days 🔍
04/01/2015 +0 days 🔍
04/01/2015 +0 days 🔍
04/02/2015 +1 days 🔍
04/13/2015 +11 days 🔍
05/02/2022 +2576 days 🔍

Sourcesinfo

Vendor: citrix.com

Advisory: XSA-127
Researcher: Andrew Cooper
Organization: Citrix
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2015-2751 (🔍)
GCVE (CVE): GCVE-0-2015-2751
GCVE (VulDB): GCVE-100-74498
X-Force: 101907 - Xen domctl operations denial of service
SecurityFocus: 73443 - Xen CVE-2015-2751 Local Denial of Service Vulnerability
SecurityTracker: 1031997 - Xen DOMCTL Operations Let Local Guest System Users Deny Service on the Host System
Vulnerability Center: 49313 - Xen 4.3.x, 4.4.x, and 4.5.x Remote DoS via Unspecified Domctl Operations, High

See also: 🔍

Entryinfo

Created: 04/01/2015 10:51
Updated: 05/02/2022 07:28
Changes: 04/01/2015 10:51 (74), 06/24/2017 09:35 (11), 05/02/2022 07:28 (3)
Complete: 🔍
Cache ID: 216:03B:103

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