critical
9.4
CWE
672 675 200
Advisory Published
CVE Published
Updated

CVE-2019-17638: Infoleak

First published: Wed Jun 03 2020(Updated: )

Eclipse Jetty, as bundled in Jenkins, could allow a remote attacker to obtain sensitive information, caused by an issue with corrupt HTTP response buffer being sent to different clients. By sending a specially-crafted HTTP request, an attacker could exploit this vulnerability to obtain sensitive information, and use this information to launch further attacks against the affected system.

Credit: emo@eclipse.org

Affected SoftwareAffected VersionHow to fix
redhat/jenkins<0:2.235.5.1600415953-1.el7
0:2.235.5.1600415953-1.el7
redhat/jenkins<0:2.235.5.1600415514-1.el7
0:2.235.5.1600415514-1.el7
redhat/jenkins<0:2.235.5.1600414805-1.el7
0:2.235.5.1600414805-1.el7
Eclipse Jetty=9.4.27-20200227
Eclipse Jetty=9.4.28-20200408
Eclipse Jetty=9.4.29-20200521

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Reference Links

Parent vulnerabilities

(Appears in the following advisories)

Frequently Asked Questions

  • What is CVE-2019-17638?

    CVE-2019-17638 is a vulnerability in Eclipse Jetty that could allow a remote attacker to obtain sensitive information.

  • What is the severity of CVE-2019-17638?

    The severity of CVE-2019-17638 is critical.

  • How does CVE-2019-17638 work?

    CVE-2019-17638 occurs when Jetty throws an exception due to too large response headers, causing the ByteBuffer containing the HTTP response headers to be released back to the ByteBufferPool twice, potentially leading to sensitive information exposure.

  • Which versions of Eclipse Jetty are affected by CVE-2019-17638?

    Eclipse Jetty versions 9.4.27.v20200227 to 9.4.29.v20200521 are affected by CVE-2019-17638.

  • How can the CVE-2019-17638 vulnerability be fixed?

    To fix the CVE-2019-17638 vulnerability, update Eclipse Jetty to version 9.4.30 or higher.

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