Ephemeral User Record Creation

Affecting org.jenkins-ci.main:jenkins-core artifact, versions [,2.138.2) || [2.140, 2.146)

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Overview

org.jenkins-ci.main:jenkins-core is an open source automation server.

Affected versions of this package are vulnerable to Ephemeral User Record Creation via the getUser function. A malicious user without Overall/Read permission could access a specific URL on instances using the built-in Jenkins user database security realm that results in the creation of an ephemeral user record in memory.

Remediation

Upgrade org.jenkins-ci.main:jenkins-core to version 2.138.2, 2.146 or higher.

References

CVSS Score

6.5
medium severity
  • Attack Vector
    Network
  • Attack Complexity
    Low
  • Privileges Required
    None
  • User Interaction
    None
  • Scope
    Unchanged
  • Confidentiality
    None
  • Integrity
    Low
  • Availability
    Low
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L
Credit
Unknown
CVE
CVE-2018-1000408
CWE
CWE-286
Snyk ID
SNYK-JAVA-ORGJENKINSCIMAIN-73609
Disclosed
09 Jan, 2019
Published
09 Jan, 2019