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CVE-2017-1000091

6.3 · MEDIUM

GitHub Branch Source Plugin connects to a user-specified GitHub API URL (e.g.

Published Oct 5, 2017CWE-352EPSS 0.64%

Overview

CVE-2017-1000091 is a medium-severity vulnerability. It was published on October 5, 2017 and has a CVSS 3.0 base score of 6.3 (MEDIUM).

This vulnerability has a CVSS 3.0 base score of 6.3, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical description

GitHub Branch Source Plugin connects to a user-specified GitHub API URL (e.g. GitHub Enterprise) as part of form validation and completion (e.g. to verify Scan Credentials are correct). This functionality improperly checked permissions, allowing any user with Overall/Read access to Jenkins to connect to any web server and send credentials with a known ID, thereby possibly capturing them. Additionally, this functionality did not require POST requests be used, thereby allowing the above to be performed without direct access to Jenkins via Cross-Site Request Forgery.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refjenkins.io/security/advisory/2017-07-10/Refjenkins.io/security/advisory/2017-07-10/

How CyberStrike helps

Frequently asked questions

What is CVE-2017-1000091?

CVE-2017-1000091 is a medium-severity vulnerability. It was published on October 5, 2017 and has a CVSS 3.0 base score of 6.3 (MEDIUM).

How severe is CVE-2017-1000091?

This vulnerability has a CVSS 3.0 base score of 6.3, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2017-1000091?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2017-1000091?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2017-1000091 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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