RHSA-2020:0196 - Security Advisory

Topic

An update for java-1.8.0-openjdk is now available for Red Hat Enterprise Linux 7.

Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

Description

The java-1.8.0-openjdk packages provide the OpenJDK 8 Java Runtime Environment and the OpenJDK 8 Java Software Development Kit.

Security Fix(es):

• OpenJDK: Use of unsafe RSA-MD5 checkum in Kerberos TGS (Security, 8229951) (CVE-2020-2601)
• OpenJDK: Serialization filter changes via jdk.serialFilter property modification (Serialization, 8231422) (CVE-2020-2604)
• OpenJDK: Improper checks of SASL message properties in GssKrb5Base (Security, 8226352) (CVE-2020-2590)
• OpenJDK: Incorrect isBuiltinStreamHandler causing URL normalization issues (Networking, 8228548) (CVE-2020-2593)
• OpenJDK: Excessive memory usage in OID processing in X.509 certificate parsing (Libraries, 8234037) (CVE-2020-2654)
• OpenJDK: Incorrect exception processing during deserialization in BeanContextSupport (Serialization, 8224909) (CVE-2020-2583)
• OpenJDK: Incomplete enforcement of maxDatagramSockets limit in DatagramChannelImpl (Networking, 8231795) (CVE-2020-2659)

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.

Solution

For details on how to apply this update, which includes the changes described in this advisory, refer to:

https://access.redhat.com/articles/11258

All running instances of OpenJDK Java must be restarted for this update to take effect.

Affected Products

• Red Hat Enterprise Linux Server 7 x86_64
• Red Hat Enterprise Linux for x86_64 - Extended Update Support 7.7 x86_64
• Red Hat Enterprise Linux Workstation 7 x86_64
• Red Hat Enterprise Linux Desktop 7 x86_64
• Red Hat Enterprise Linux for IBM z Systems 7 s390x
• Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 7.7 s390x
• Red Hat Enterprise Linux for Power, big endian 7 ppc64
• Red Hat Enterprise Linux for Power, big endian - Extended Update Support 7.7 ppc64
• Red Hat Enterprise Linux for Scientific Computing 7 x86_64
• Red Hat Enterprise Linux EUS Compute Node 7.7 x86_64
• Red Hat Enterprise Linux Server - AUS 7.7 x86_64
• Red Hat Enterprise Linux for Power, little endian 7 ppc64le
• Red Hat Enterprise Linux for Power, little endian - Extended Update Support 7.7 ppc64le
• Red Hat Enterprise Linux Server - TUS 7.7 x86_64
• Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions 7.7 ppc64le
• Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 7.7 x86_64

Fixes

• BZ - 1790444 - CVE-2020-2583 OpenJDK: Incorrect exception processing during deserialization in BeanContextSupport (Serialization, 8224909)
• BZ - 1790556 - CVE-2020-2590 OpenJDK: Improper checks of SASL message properties in GssKrb5Base (Security, 8226352)
• BZ - 1790570 - CVE-2020-2601 OpenJDK: Use of unsafe RSA-MD5 checkum in Kerberos TGS (Security, 8229951)
• BZ - 1790884 - CVE-2020-2593 OpenJDK: Incorrect isBuiltinStreamHandler causing URL normalization issues (Networking, 8228548)
• BZ - 1790944 - CVE-2020-2604 OpenJDK: Serialization filter changes via jdk.serialFilter property modification (Serialization, 8231422)
• BZ - 1791217 - CVE-2020-2654 OpenJDK: Excessive memory usage in OID processing in X.509 certificate parsing (Libraries, 8234037)
• BZ - 1791284 - CVE-2020-2659 OpenJDK: Incomplete enforcement of maxDatagramSockets limit in DatagramChannelImpl (Networking, 8231795)

CVEs

• CVE-2020-2583
• CVE-2020-2590
• CVE-2020-2593
• CVE-2020-2601
• CVE-2020-2604
• CVE-2020-2654
• CVE-2020-2659

References

• https://access.redhat.com/security/updates/classification/#important