VMware vCenter Server 6.0/6.5 BlazeDS AMF3 Message deserialization

CVSS Meta Temp Score
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CTI Interest Score
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8.4$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, was found in VMware vCenter Server 6.0/6.5. This issue affects some unknown processing of the component BlazeDS. The manipulation as part of AMF3 Message results in deserialization. This vulnerability is identified as CVE-2017-5641. The attack can be executed remotely. Additionally, an exploit exists. A patch should be applied to remediate this issue.

Detailsinfo

A vulnerability was found in VMware vCenter Server 6.0/6.5 (Server Management Software). It has been classified as critical. Affected is some unknown functionality of the component BlazeDS. The manipulation as part of a AMF3 Message leads to a deserialization vulnerability. CWE is classifying the issue as CWE-502. The product deserializes untrusted data without sufficiently verifying that the resulting data will be valid. This is going to have an impact on confidentiality, integrity, and availability.

The bug was discovered 04/04/2017. The weakness was released 04/13/2017 by Markus Wulftange as VMSA-2017-0007 as confirmed advisory (Website). The advisory is available at vmware.com. This vulnerability is traded as CVE-2017-5641 since 01/29/2017. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Technical details are unknown but a public exploit is available.

The exploit is shared for download at packetstormsecurity.com. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 9 days. During that time the estimated underground price was around $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 99474 (VMware vCenter Server Appliance BlazeDS AMF3 RCE (VMSA-2017-0007)), 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 216124 (VMware vCenter Server 6.0 Update 3b Missing (VMSA-2017-0007)).

Applying the patch 6.0U3b/6.5c 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 (99474), SecurityFocus (BID 97383†) and SecurityTracker (ID 1038273†). If you want to get best quality of vulnerability data, you may have to visit VulDB.

Not Affected

  • VMware vCenter Server 5.5

Productinfo

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.5
VulDB Meta Temp Score: 8.2

VulDB Base Score: 7.3
VulDB Temp Score: 6.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Deserialization
CWE: CWE-502 / CWE-20
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 99474
Nessus Name: VMware vCenter Server Appliance BlazeDS AMF3 RCE (VMSA-2017-0007)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 103917
OpenVAS Name: VMSA-2017-0007: VMware vCenter Server updates resolve a remote code execution vulnerability via BlazeDS
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: 🔍

Patch: 6.0U3b/6.5c

Timelineinfo

01/29/2017 🔍
04/04/2017 +65 days 🔍
04/04/2017 +0 days 🔍
04/13/2017 +9 days 🔍
04/13/2017 +0 days 🔍
04/15/2017 +2 days 🔍
04/16/2017 +1 days 🔍
04/19/2017 +3 days 🔍
12/28/2017 +253 days 🔍
12/26/2024 +2555 days 🔍

Sourcesinfo

Vendor: vmware.com

Advisory: VMSA-2017-0007
Researcher: Markus Wulftange
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2017-5641 (🔍)
GCVE (CVE): GCVE-0-2017-5641
GCVE (VulDB): GCVE-100-99906
CERT: 🔍
SecurityFocus: 97383 - Apache Flex BlazeDS CVE-2017-5641 Remote Code Execution Vulnerability
OSVDB: - CVE-2017-5641 - Apache - Flex Blazeds - High
SecurityTracker: 1038273

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

Entryinfo

Created: 04/16/2017 10:56
Updated: 12/26/2024 20:59
Changes: 04/16/2017 10:56 (80), 08/31/2020 16:06 (6), 11/29/2022 14:36 (4), 07/01/2024 11:59 (21), 08/26/2024 04:16 (2), 12/26/2024 20:59 (1)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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