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Injection in Jenkins

Moderate severity GitHub Reviewed Published May 13, 2022 to the GitHub Advisory Database • Updated Jan 27, 2023

Package

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

Affected versions

<= 2.107.2
>= 2.108, <= 2.120

Patched versions

2.107.3
2.121

Description

A improper neutralization of control sequences vulnerability exists in Jenkins 2.120 and older, LTS 2.107.2 and older in HudsonPrivateSecurityRealm.java that allows users to sign up using user names containing control characters that can then appear to have the same name as other users, and cannot be deleted via the UI.

References

Published by the National Vulnerability Database Jun 5, 2018
Published to the GitHub Advisory Database May 13, 2022
Reviewed Jun 30, 2022
Last updated Jan 27, 2023

Severity

Moderate
4.3
/ 10

CVSS base metrics

Attack vector
Network
Attack complexity
Low
Privileges required
Low
User interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
Low
Availability
None
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

Weaknesses

CVE ID

CVE-2018-1000193

GHSA ID

GHSA-7592-93rm-6gpx

Source code

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