Citrix XenServer 6.0.2/6.2.0/6.5/7.0 Host Database access control

CVSS Meta Temp Score
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CTI Interest Score
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5.8$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic was found in Citrix XenServer 6.0.2/6.2.0/6.5/7.0. Affected is an unknown function of the component Host Database. Executing a manipulation can lead to access control. This vulnerability is registered as CVE-2017-5572. It is possible to launch the attack remotely. No exploit is available. Applying a patch is advised to resolve this issue.

Detailsinfo

A vulnerability classified as problematic was found in Citrix XenServer 6.0.2/6.2.0/6.5/7.0 (Virtualization Software). This vulnerability affects an unknown function of the component Host Database. 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 integrity, and availability. CVE summarizes:

An issue was discovered in Linux Foundation xapi in Citrix XenServer through 7.0. An authenticated read-only administrator can corrupt the host database.

The bug was discovered 01/25/2017. The weakness was published 01/25/2017 with Citrix Systems as CTX220112 as confirmed security bulletin (Website). The advisory is shared for download at support.citrix.com. This vulnerability was named CVE-2017-5572 since 01/23/2017. The attack can be initiated remotely. The successful exploitation requires a single authentication. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1068. The advisory points out:

Several security issues have been identified within Citrix XenServer. These issues could, if exploited, allow an authenticated administrator to perform a denial-of-service attack against the host, even when that administrator has a less-privileged RBAC role (e.g. read-only).

The vulnerability scanner Nessus provides a plugin with the ID 96928 (Citrix XenServer Multiple Vulnerabilities (CTX220112)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Misc. and running in the context l.

Applying the patch CTX220079/CTX220080/CTX220081 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 Tenable (96928), SecurityFocus (BID 95801†) and SecurityTracker (ID 1037716†). Similar entries are available at VDB-78855 and VDB-96041. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.9
VulDB Meta Temp Score: 5.8

VulDB Base Score: 5.4
VulDB Temp Score: 5.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.5
NVD Vector: 🔍

CVSSv2info

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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

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

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 96928
Nessus Name: Citrix XenServer Multiple Vulnerabilities (CTX220112)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 803000
OpenVAS Name: Citrix XenServer CVE-2017-5572 Denial of Service Vulnerability
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Patch
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Patch: CTX220079/CTX220080/CTX220081

Timelineinfo

01/23/2017 🔍
01/25/2017 +2 days 🔍
01/25/2017 +0 days 🔍
01/25/2017 +0 days 🔍
01/25/2017 +0 days 🔍
01/26/2017 +1 days 🔍
01/27/2017 +1 days 🔍
01/30/2017 +3 days 🔍
02/01/2017 +2 days 🔍
05/17/2026 +3391 days 🔍

Sourcesinfo

Vendor: citrix.com

Advisory: CTX220112
Organization: Citrix Systems
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2017-5572 (🔍)
GCVE (CVE): GCVE-0-2017-5572
GCVE (VulDB): GCVE-100-96040
SecurityFocus: 95801 - Citrix XenServer CVE-2017-5572 Denial of Service Vulnerability
OSVDB: - CVE-2017-5572 - Citrix - XenServer - Memory Corruption Issue
SecurityTracker: 1037716

See also: 🔍

Entryinfo

Created: 01/27/2017 12:18
Updated: 05/17/2026 01:03
Changes: 01/27/2017 12:18 (79), 08/03/2020 08:25 (7), 05/17/2026 01:03 (18)
Complete: 🔍
Cache ID: 216::103

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