Inedo BuildMaster Plugin up to 1.3 on Jenkins BuildMasterConfiguration.java certificate validation

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.
6.5$0-$5k0.00

Summaryinfo

A vulnerability labeled as critical has been found in Inedo BuildMaster Plugin up to 1.3 on Jenkins. This vulnerability affects unknown code of the file BuildMasterConfiguration.java. Such manipulation leads to certificate validation. This vulnerability is referenced as CVE-2018-1999035. It is possible to launch the attack remotely. No exploit is available.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Inedo BuildMaster Plugin up to 1.3 on Jenkins (Jenkins Plugin). Affected by this issue is an unknown part of the file BuildMasterConfiguration.java. The manipulation with an unknown input leads to a certificate validation vulnerability. Using CWE to declare the problem leads to CWE-295. The product does not validate, or incorrectly validates, a certificate. Impacted is confidentiality, integrity, and availability. CVE summarizes:

A man in the middle vulnerability exists in Jenkins Inedo BuildMaster Plugin 1.3 and earlier in BuildMasterConfiguration.java, BuildMasterConfig.java, BuildMasterApi.java that allows attackers to impersonate any service that Jenkins connects to.

The bug was discovered 07/30/2018. The weakness was published 08/01/2018 (Website). The advisory is available at jenkins.io. This vulnerability is handled as CVE-2018-1999035 since 08/01/2018. The attack may be launched remotely. No form of authentication is required for exploitation. Technical details are known, but there is no available exploit. This vulnerability is assigned to T1587.003 by the MITRE ATT&CK project.

The vulnerability was handled as a non-public zero-day exploit for at least 2 days. During that time the estimated underground price was around $0-$5k.

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

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Productinfo

Type

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.5

VulDB Base Score: 5.6
VulDB Temp Score: 5.6
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: Certificate validation
CWE: CWE-295 / CWE-287
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

07/30/2018 🔍
08/01/2018 +1 days 🔍
08/01/2018 +0 days 🔍
08/01/2018 +0 days 🔍
08/02/2018 +1 days 🔍
03/12/2020 +588 days 🔍

Sourcesinfo

Advisory: jenkins.io
Status: Not defined
Confirmation: 🔍

CVE: CVE-2018-1999035 (🔍)
GCVE (CVE): GCVE-0-2018-1999035
GCVE (VulDB): GCVE-100-122510

Entryinfo

Created: 08/02/2018 07:55
Updated: 03/12/2020 15:56
Changes: 08/02/2018 07:55 (58), 03/12/2020 15:56 (2)
Complete: 🔍
Cache ID: 216::103

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