7.5
CWE
772
Advisory Published
CVE Published
Updated

CVE-2018-1999043

First published: Thu Aug 23 2018(Updated: )

A denial of service vulnerability exists in Jenkins 2.137 and earlier, 2.121.2 and earlier in BasicAuthenticationFilter.java, BasicHeaderApiTokenAuthenticator.java that allows attackers to create ephemeral in-memory user records by attempting to log in using invalid credentials.

Credit: cve@mitre.org

Affected SoftwareAffected VersionHow to fix
Jenkins LTS<=2.121.2
Jenkins LTS<=2.137

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Frequently Asked Questions

  • What is the severity of CVE-2018-1999043?

    CVE-2018-1999043 is classified as a denial of service vulnerability.

  • How do I fix CVE-2018-1999043?

    To mitigate CVE-2018-1999043, upgrade Jenkins to version 2.138 or later.

  • What versions of Jenkins are affected by CVE-2018-1999043?

    CVE-2018-1999043 affects Jenkins versions 2.137 and earlier, and 2.121.2 and earlier.

  • What impact does CVE-2018-1999043 have on Jenkins users?

    CVE-2018-1999043 allows attackers to create ephemeral in-memory user records, potentially leading to denial of service.

  • Can CVE-2018-1999043 be exploited remotely?

    Yes, CVE-2018-1999043 can be exploited remotely by sending numerous invalid login attempts.

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