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Information disclosure through error stack traces related to agents

Low severity GitHub Reviewed Published Mar 10, 2023 to the GitHub Advisory Database • Updated Jan 5, 2024

Package

maven org.jenkins-ci.main:jenkins-core (Maven)

Affected versions

< 2.375.4
>= 2.376, < 2.387.1
>= 2.388, < 2.394

Patched versions

2.375.4
2.387.1
2.394

Description

Jenkins 2.393 and earlier, LTS 2.375.3 and earlier, and prior to LTS 2.387.1 prints an error stack trace on agent-related pages when agent connections are broken, potentially revealing information about Jenkins configuration that is otherwise inaccessible to attackers.

Jenkins 2.394, LTS 2.375.4, and LTS 2.387.1 does not display error stack traces when agent connections are broken.

References

Published by the National Vulnerability Database Mar 10, 2023
Published to the GitHub Advisory Database Mar 10, 2023
Reviewed Mar 16, 2023
Last updated Jan 5, 2024

Severity

Low

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
High
Privileges required
Low
User interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
None
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:H/PR:L/UI:N/S:U/C:L/I:N/A:N

EPSS score

0.072%
(34th percentile)

Weaknesses

No CWEs

CVE ID

CVE-2023-27904

GHSA ID

GHSA-rrgp-c2w8-6vg6

Source code

No known source code

Credits

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