JGroups up to 3.x Node Join access control

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
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CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
9.6$0-$5k0.00

A vulnerability classified as very critical was found in JGroups up to 3.x. Affected by this vulnerability is an unknown part of the component Node Join Handler. 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 confidentiality, integrity, and availability. The summary by CVE is:

JGroups before 4.0 does not require the proper headers for the ENCRYPT and AUTH protocols from nodes joining the cluster, which allows remote attackers to bypass security restrictions and send and receive messages within the cluster via unspecified vectors.

The weakness was published 06/30/2016 with Red Hat (Website). The advisory is shared at rhn.redhat.com. This vulnerability is known as CVE-2016-2141 since 01/29/2016. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 08/26/2022). MITRE ATT&CK project uses the attack technique T1068 for this issue.

The vulnerability scanner Nessus provides a plugin with the ID 91851 (RHEL 5 / 6 : JBoss EAP (RHSA-2016:1328)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Red Hat Local Security Checks and running in the context l.

Upgrading to version 4.0 eliminates this vulnerability. A possible mitigation has been published before and not just after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (91851). Similar entry is available at 133741.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 9.8
VulDB Meta Temp Score: 9.6

VulDB Base Score: 9.8
VulDB Temp Score: 9.4
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: Access control
CWE: CWE-264
ATT&CK: T1068

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 91851
Nessus Name: RHEL 5 / 6 : JBoss EAP (RHSA-2016:1328)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: JGroups 4.0

Timelineinfo

01/29/2016 🔍
06/23/2016 +146 days 🔍
06/23/2016 +0 days 🔍
06/27/2016 +4 days 🔍
06/30/2016 +3 days 🔍
06/30/2016 +0 days 🔍
07/04/2016 +4 days 🔍
08/26/2022 +2244 days 🔍

Sourcesinfo

Advisory: RHSA-2016:1328
Organization: Red Hat
Status: Not defined
Confirmation: 🔍

CVE: CVE-2016-2141 (🔍)
SecurityTracker: 1036165
SecurityFocus: 91481 - JGroups CVE-2016-2141 Authorization Bypass Vulnerability

See also: 🔍

Entryinfo

Created: 07/04/2016 10:03
Updated: 08/26/2022 09:56
Changes: 07/04/2016 10:03 (57), 02/15/2019 14:37 (14), 08/26/2022 09:51 (4), 08/26/2022 09:54 (1), 08/26/2022 09:56 (1)
Complete: 🔍

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