RHSA-2020:5585 - Security Advisory

Topic

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

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

IBM Java SE version 8 includes the IBM Java Runtime Environment and the IBM Java Software Development Kit.

This update upgrades IBM Java SE 8 to version 8 SR6-FP20.

Security Fix(es):

• OpenJDK: Use of unsafe RSA-MD5 checksum in Kerberos TGS (Security, 8229951) (CVE-2020-2601)
• OpenJDK: Bypass of boundary checks in nio.Buffer via concurrent access (Libraries, 8238920) (CVE-2020-14583)
• OpenJDK: Incomplete bounds checks in Affine Transformations (2D, 8240119) (CVE-2020-14593)
• IBM JDK: Information disclosure via calls to System.arraycopy() with invalid length (CVE-2019-17639)
• OpenJDK: Improper checks of SASL message properties in GssKrb5Base (Security, 8226352) (CVE-2020-2590)
• OpenJDK: Incorrect handling of access control context in ForkJoinPool (Libraries, 8237117) (CVE-2020-14556)
• OpenJDK: Unexpected exception raised by DerInputStream (Libraries, 8237731) (CVE-2020-14578)
• OpenJDK: Unexpected exception raised by DerValue.equals() (Libraries, 8237736) (CVE-2020-14579)
• OpenJDK: XML validation manipulation due to incomplete application of the use-grammar-pool-only feature (JAXP, 8242136) (CVE-2020-14621)
• OpenJDK: Incomplete check for invalid characters in URI to path conversion (Libraries, 8242685) (CVE-2020-14797)
• OpenJDK: HostnameChecker does not ensure X.509 certificate names are in normalized form (JSSE, 8237592) (CVE-2020-14577)
• OpenJDK: High memory usage during deserialization of Proxy class with many interfaces (Serialization, 8236862) (CVE-2020-14779)
• OpenJDK: Missing permission check in path to URI conversion (Libraries, 8242680) (CVE-2020-14796)

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 IBM Java must be restarted for this update to take effect.

Affected Products

• Red Hat Enterprise Linux Server 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 Power, big endian 7 ppc64
• Red Hat Enterprise Linux for Scientific Computing 7 x86_64
• Red Hat Enterprise Linux for Power, little endian 7 ppc64le

Fixes

• 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 checksum in Kerberos TGS (Security, 8229951)
• BZ - 1856448 - CVE-2020-14583 OpenJDK: Bypass of boundary checks in nio.Buffer via concurrent access (Libraries, 8238920)
• BZ - 1856784 - CVE-2020-14593 OpenJDK: Incomplete bounds checks in Affine Transformations (2D, 8240119)
• BZ - 1856885 - CVE-2020-14621 OpenJDK: XML validation manipulation due to incomplete application of the use-grammar-pool-only feature (JAXP, 8242136)
• BZ - 1856896 - CVE-2020-14556 OpenJDK: Incorrect handling of access control context in ForkJoinPool (Libraries, 8237117)
• BZ - 1856988 - CVE-2020-14577 OpenJDK: HostnameChecker does not ensure X.509 certificate names are in normalized form (JSSE, 8237592)
• BZ - 1856991 - CVE-2020-14578 OpenJDK: Unexpected exception raised by DerInputStream (Libraries, 8237731)
• BZ - 1856995 - CVE-2020-14579 OpenJDK: Unexpected exception raised by DerValue.equals() (Libraries, 8237736)
• BZ - 1866497 - CVE-2019-17639 IBM JDK: Information disclosure via calls to System.arraycopy() with invalid length
• BZ - 1889271 - CVE-2020-14779 OpenJDK: High memory usage during deserialization of Proxy class with many interfaces (Serialization, 8236862)
• BZ - 1889697 - CVE-2020-14796 OpenJDK: Missing permission check in path to URI conversion (Libraries, 8242680)
• BZ - 1889717 - CVE-2020-14797 OpenJDK: Incomplete check for invalid characters in URI to path conversion (Libraries, 8242685)

CVEs

• CVE-2019-17639
• CVE-2020-2590
• CVE-2020-2601
• CVE-2020-14556
• CVE-2020-14577
• CVE-2020-14578
• CVE-2020-14579
• CVE-2020-14583
• CVE-2020-14593
• CVE-2020-14621
• CVE-2020-14779
• CVE-2020-14796
• CVE-2020-14797

References

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