VDB-154792 · CVE-2020-2187 · GCVE-0-2020-2187

Amazon EC2 Plugin up to 1.50.1 on Jenkins Certificate channel accessible

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 (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	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.
4.6	$0-$5k	0.00

Summaryinfo

A vulnerability categorized as critical has been discovered in Amazon EC2 Plugin up to 1.50.1 on Jenkins. Affected by this vulnerability is an unknown functionality of the component Certificate Handler. Executing a manipulation can lead to channel accessible. This vulnerability is tracked as CVE-2020-2187. The attack can be launched remotely. No exploit exists.

Detailsinfo

A vulnerability classified as problematic was found in Amazon EC2 Plugin up to 1.50.1 on Jenkins (Jenkins Plugin). This vulnerability affects an unknown functionality of the component Certificate Handler. The manipulation with an unknown input leads to a channel accessible vulnerability. The CWE definition for the vulnerability is CWE-300. The product does not adequately verify the identity of actors at both ends of a communication channel, or does not adequately ensure the integrity of the channel, in a way that allows the channel to be accessed or influenced by an actor that is not an endpoint. As an impact it is known to affect confidentiality. CVE summarizes:

Jenkins Amazon EC2 Plugin 1.50.1 and earlier unconditionally accepts self-signed certificates and does not perform hostname validation, enabling man-in-the-middle attacks.

The weakness was disclosed 05/06/2020 (oss-sec). The advisory is shared for download at openwall.com. This vulnerability was named CVE-2020-2187 since 12/05/2019. The exploitation appears to be difficult. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1557.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The entries VDB-154786, VDB-154787, VDB-154788 and VDB-154789 are pretty similar. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

Jenkins Plugin

Name

Amazon EC2 Plugin

Version

License

commercial

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.6
VulDB Meta Temp Score: 4.6

VulDB Base Score: 3.7
VulDB Temp Score: 3.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.6
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

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

NVD Base Score: 🔍

Exploitinginfo

Class: Channel accessible
CWE: CWE-300
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

12/05/2019 🔍
05/06/2020 +153 days 🔍
05/07/2020 +1 days 🔍
05/07/2020 +0 days 🔍

Sourcesinfo

Advisory: openwall.com
Status: Not defined
Confirmation: 🔍

CVE: CVE-2020-2187 (🔍)
GCVE (CVE): GCVE-0-2020-2187
GCVE (VulDB): GCVE-100-154792
See also: 🔍

Entryinfo

Created: 05/07/2020 07:26
Updated: 05/07/2020 07:31
Changes: 05/07/2020 07:26 (40), 05/07/2020 07:31 (18)
Complete: 🔍
Cache ID: 216::103

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