CWE
190 362
Advisory Published

RHSA-2020:4307: Moderate: java-11-openjdk security update

First published: Thu Oct 22 2020(Updated: )

The java-11-openjdk packages provide the OpenJDK 11 Java Runtime Environment and the OpenJDK 11 Java Software Development Kit.<br>Security Fix(es):<br><li> OpenJDK: Credentials sent over unencrypted LDAP connection (JNDI, 8237990) (CVE-2020-14781)</li> <li> OpenJDK: Certificate blacklist bypass via alternate certificate encodings (Libraries, 8237995) (CVE-2020-14782)</li> <li> OpenJDK: Integer overflow leading to out-of-bounds access (Hotspot, 8241114) (CVE-2020-14792)</li> <li> OpenJDK: Incomplete check for invalid characters in URI to path conversion (Libraries, 8242685) (CVE-2020-14797)</li> <li> OpenJDK: Race condition in NIO Buffer boundary checks (Libraries, 8244136) (CVE-2020-14803)</li> <li> OpenJDK: High memory usage during deserialization of Proxy class with many interfaces (Serialization, 8236862) (CVE-2020-14779)</li> <li> OpenJDK: Missing permission check in path to URI conversion (Libraries, 8242680) (CVE-2020-14796)</li> For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Affected SoftwareAffected VersionHow to fix
redhat/java<11-openjdk-11.0.9.11-0.el7_9
11-openjdk-11.0.9.11-0.el7_9
redhat/java<11-openjdk-11.0.9.11-0.el7_9
11-openjdk-11.0.9.11-0.el7_9
redhat/java<11-openjdk-debuginfo-11.0.9.11-0.el7_9
11-openjdk-debuginfo-11.0.9.11-0.el7_9
redhat/java<11-openjdk-debuginfo-11.0.9.11-0.el7_9
11-openjdk-debuginfo-11.0.9.11-0.el7_9
redhat/java<11-openjdk-demo-11.0.9.11-0.el7_9
11-openjdk-demo-11.0.9.11-0.el7_9
redhat/java<11-openjdk-demo-11.0.9.11-0.el7_9
11-openjdk-demo-11.0.9.11-0.el7_9
redhat/java<11-openjdk-devel-11.0.9.11-0.el7_9
11-openjdk-devel-11.0.9.11-0.el7_9
redhat/java<11-openjdk-devel-11.0.9.11-0.el7_9
11-openjdk-devel-11.0.9.11-0.el7_9
redhat/java<11-openjdk-headless-11.0.9.11-0.el7_9
11-openjdk-headless-11.0.9.11-0.el7_9
redhat/java<11-openjdk-headless-11.0.9.11-0.el7_9
11-openjdk-headless-11.0.9.11-0.el7_9
redhat/java<11-openjdk-javadoc-11.0.9.11-0.el7_9
11-openjdk-javadoc-11.0.9.11-0.el7_9
redhat/java<11-openjdk-javadoc-11.0.9.11-0.el7_9
11-openjdk-javadoc-11.0.9.11-0.el7_9
redhat/java<11-openjdk-javadoc-zip-11.0.9.11-0.el7_9
11-openjdk-javadoc-zip-11.0.9.11-0.el7_9
redhat/java<11-openjdk-javadoc-zip-11.0.9.11-0.el7_9
11-openjdk-javadoc-zip-11.0.9.11-0.el7_9
redhat/java<11-openjdk-jmods-11.0.9.11-0.el7_9
11-openjdk-jmods-11.0.9.11-0.el7_9
redhat/java<11-openjdk-jmods-11.0.9.11-0.el7_9
11-openjdk-jmods-11.0.9.11-0.el7_9
redhat/java<11-openjdk-src-11.0.9.11-0.el7_9
11-openjdk-src-11.0.9.11-0.el7_9
redhat/java<11-openjdk-src-11.0.9.11-0.el7_9
11-openjdk-src-11.0.9.11-0.el7_9
redhat/java<11-openjdk-static-libs-11.0.9.11-0.el7_9
11-openjdk-static-libs-11.0.9.11-0.el7_9
redhat/java<11-openjdk-static-libs-11.0.9.11-0.el7_9
11-openjdk-static-libs-11.0.9.11-0.el7_9
redhat/java<11-openjdk-11.0.9.11-0.el7_9
11-openjdk-11.0.9.11-0.el7_9
redhat/java<11-openjdk-debuginfo-11.0.9.11-0.el7_9
11-openjdk-debuginfo-11.0.9.11-0.el7_9
redhat/java<11-openjdk-demo-11.0.9.11-0.el7_9
11-openjdk-demo-11.0.9.11-0.el7_9
redhat/java<11-openjdk-devel-11.0.9.11-0.el7_9
11-openjdk-devel-11.0.9.11-0.el7_9
redhat/java<11-openjdk-headless-11.0.9.11-0.el7_9
11-openjdk-headless-11.0.9.11-0.el7_9
redhat/java<11-openjdk-javadoc-11.0.9.11-0.el7_9
11-openjdk-javadoc-11.0.9.11-0.el7_9
redhat/java<11-openjdk-javadoc-zip-11.0.9.11-0.el7_9
11-openjdk-javadoc-zip-11.0.9.11-0.el7_9
redhat/java<11-openjdk-jmods-11.0.9.11-0.el7_9
11-openjdk-jmods-11.0.9.11-0.el7_9
redhat/java<11-openjdk-src-11.0.9.11-0.el7_9
11-openjdk-src-11.0.9.11-0.el7_9
redhat/java<11-openjdk-static-libs-11.0.9.11-0.el7_9
11-openjdk-static-libs-11.0.9.11-0.el7_9

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Frequently Asked Questions

  • What is the severity of RHSA-2020:4307?

    The severity of RHSA-2020:4307 is classified as important due to vulnerabilities in OpenJDK that can expose credentials over unencrypted connections.

  • How do I fix RHSA-2020:4307?

    To fix RHSA-2020:4307, update the java-11-openjdk package to version 11-openjdk-11.0.9.11-0.el7_9 or later.

  • What vulnerabilities are addressed in RHSA-2020:4307?

    RHSA-2020:4307 addresses vulnerabilities such as CVE-2020-14781, involving credentials sent over unencrypted LDAP connections.

  • Which software versions are affected by RHSA-2020:4307?

    RHSA-2020:4307 affects multiple versions of the java-11-openjdk package prior to 11-openjdk-11.0.9.11-0.el7_9.

  • Is a reboot required after applying the RHSA-2020:4307 fix?

    No, a reboot is not required after applying the RHSA-2020:4307 fix, but services relying on Java may need to be restarted.

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