Mac Plugin up to 1.1.0 on Jenkins SSH Host Key signature verification

CVSS Meta Temp Score
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CTI Interest Score
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7.3$0-$5k0.00

Summaryinfo

A vulnerability was found in Mac Plugin up to 1.1.0 on Jenkins. It has been classified as critical. The impacted element is an unknown function of the component SSH Host Key Handler. The manipulation leads to signature verification. This vulnerability is uniquely identified as CVE-2020-2146. The attack is possible to be carried out remotely. No exploit exists.

Detailsinfo

A vulnerability was found in Mac Plugin up to 1.1.0 on Jenkins (Jenkins Plugin). It has been rated as critical. This issue affects an unknown code block of the component SSH Host Key Handler. The manipulation with an unknown input leads to a signature verification vulnerability. Using CWE to declare the problem leads to CWE-347. The product does not verify, or incorrectly verifies, the cryptographic signature for data. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Jenkins Mac Plugin 1.1.0 and earlier does not validate SSH host keys when connecting agents created by the plugin, enabling man-in-the-middle attacks.

The weakness was disclosed 03/09/2020 (oss-sec). The advisory is shared at openwall.com. The identification of this vulnerability is CVE-2020-2146 since 12/05/2019. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Neither technical details nor an exploit are publicly available.

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

The entries VDB-151025, VDB-151026, VDB-151027 and VDB-151028 are pretty similar. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 7.3

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

NVD Base Score: 7.4
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Signature verification
CWE: CWE-347 / CWE-345
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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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

12/05/2019 🔍
03/09/2020 +95 days 🔍
03/10/2020 +1 days 🔍
03/10/2020 +0 days 🔍

Sourcesinfo

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

CVE: CVE-2020-2146 (🔍)
GCVE (CVE): GCVE-0-2020-2146
GCVE (VulDB): GCVE-100-151037
See also: 🔍

Entryinfo

Created: 03/10/2020 08:05
Updated: 03/10/2020 08:10
Changes: 03/10/2020 08:05 (40), 03/10/2020 08:10 (18)
Complete: 🔍
Cache ID: 216::103

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