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Missing permission check in Blue Ocean Plugin

Moderate severity GitHub Reviewed Published May 24, 2022 to the GitHub Advisory Database • Updated Dec 20, 2023

Package

maven io.jenkins.blueocean:blueocean (Maven)

Affected versions

<= 1.23.2

Patched versions

1.23.3

Description

Updated 2020-09-16

This entry previously misidentified the problematic behavior. The HTTP request itself is legitimate, but only authorized users should be able to perform it.

Original Description

Blue Ocean Plugin 1.23.2 and earlier does not perform permission checks in several HTTP endpoints implementing connection tests.

This allows attackers with Overall/Read permission to connect to an attacker-specified URL.

Blue Ocean Plugin 1.23.3 requires Item/Create permission to perform these connection tests.

References

Published by the National Vulnerability Database Sep 16, 2020
Published to the GitHub Advisory Database May 24, 2022
Reviewed Dec 29, 2022
Last updated Dec 20, 2023

Severity

Moderate

CVSS overall score

This score calculates overall vulnerability severity from 0 to 10 and is based on the Common Vulnerability Scoring System (CVSS).
/ 10

CVSS v3 base metrics

Attack vector
Network
Attack complexity
Low
Privileges required
Low
User interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
Low
Availability
None

CVSS v3 base metrics

Attack vector: More severe the more the remote (logically and physically) an attacker can be in order to exploit the vulnerability.
Attack complexity: More severe for the least complex attacks.
Privileges required: More severe if no privileges are required.
User interaction: More severe when no user interaction is required.
Scope: More severe when a scope change occurs, e.g. one vulnerable component impacts resources in components beyond its security scope.
Confidentiality: More severe when loss of data confidentiality is highest, measuring the level of data access available to an unauthorized user.
Integrity: More severe when loss of data integrity is the highest, measuring the consequence of data modification possible by an unauthorized user.
Availability: More severe when the loss of impacted component availability is highest.
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

EPSS score

0.050%
(21st percentile)

Weaknesses

CVE ID

CVE-2020-2255

GHSA ID

GHSA-vc7g-4269-f7hw

Source code

No known source code

Credits

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