VMware vCenter Server 6.5 LD_LIBRARY_PATH access control

CVSS Meta Temp Score
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CTI Interest Score
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6.7$0-$5k0.00

Summaryinfo

A vulnerability identified as critical has been detected in VMware vCenter Server 6.5. This issue affects some unknown processing. The manipulation of the argument LD_LIBRARY_PATH leads to access control. This vulnerability is listed as CVE-2017-4921. The attack must be carried out locally. There is no available exploit. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in VMware vCenter Server 6.5 (Server Management Software) and classified as critical. This issue affects some unknown functionality. The manipulation of the argument LD_LIBRARY_PATH with an unknown input leads to a access control vulnerability. Using CWE to declare the problem leads to CWE-264. Impacted is confidentiality, integrity, and availability.

The bug was discovered 07/27/2017. The weakness was presented 07/27/2017 as VMSA-2017-0013 as confirmed security advisory (Website). It is possible to read the advisory at vmware.com. The identification of this vulnerability is CVE-2017-4921 since 12/26/2016. Attacking locally is a requirement. A simple authentication is required for exploitation. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1068 according to MITRE ATT&CK.

The vulnerability scanner Nessus provides a plugin with the ID 102084 (VMware vCenter Server Appliance 6.5 < 6.5 U1 Multiple Vulnerabilities (VMSA-2017-0013)), 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. The commercial vulnerability scanner Qualys is able to test this issue with plugin 216125 (VMware vCenter Server 6.5 Update 1 Missing (VMSA-2017-0013)).

Upgrading to version 6.5 U1 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (102084), SecurityFocus (BID 100006†) and SecurityTracker (ID 1039013†). See VDB-104604, VDB-104605 and VDB-104606 for similar entries. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.1
VulDB Meta Temp Score: 6.9

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
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: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 102084
Nessus Name: VMware vCenter Server Appliance 6.5 < 6.5 U1 Multiple Vulnerabilities (VMSA-2017-0013)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Upgrade: vCenter Server 6.5 U1

Timelineinfo

12/26/2016 🔍
07/27/2017 +213 days 🔍
07/27/2017 +0 days 🔍
07/27/2017 +0 days 🔍
07/27/2017 +0 days 🔍
07/28/2017 +1 days 🔍
07/28/2017 +0 days 🔍
07/31/2017 +3 days 🔍
08/01/2017 +1 days 🔍
01/06/2021 +1254 days 🔍

Sourcesinfo

Vendor: vmware.com

Advisory: VMSA-2017-0013
Researcher: Thorsten Tüllmann
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2017-4921 (🔍)
GCVE (CVE): GCVE-0-2017-4921
GCVE (VulDB): GCVE-100-104603
SecurityFocus: 100006 - VMware vCenter Server CVE-2017-4921 DLL Loading Local Privilege Escalation Vulnerability
SecurityTracker: 1039013

scip Labs: https://www.scip.ch/en/?labs.20060413
See also: 🔍

Entryinfo

Created: 07/28/2017 20:23
Updated: 01/06/2021 16:25
Changes: 07/28/2017 20:23 (76), 11/02/2019 08:34 (5), 01/06/2021 16:22 (2), 01/06/2021 16:25 (1)
Complete: 🔍
Cache ID: 216::103

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