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RedHat: RHSA-2021-1509-01 Critical: OpenJDK Java Vulnerability Patch

red hat
Calendar Grey April 21, 2020
Dist Redhat Esm H88
Keep abreast of the crucial OpenJDK update for Red Hat Enterprise Linux and its implications for security.
An update for java-1.7.0-openjdk is now available for Red Hat Enterprise Linux 6

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.

Summary

The java-1.7.0-openjdk packages provide the OpenJDK 7 Java Runtime Environment and the OpenJDK 7 Java Software Development Kit.
Security Fix(es):
* OpenJDK: Incorrect bounds checks in NIO Buffers (Libraries, 8234841) (CVE-2020-2803)
* OpenJDK: Incorrect type checks in MethodType.readObject() (Libraries, 8235274) (CVE-2020-2805)
* OpenJDK: Unexpected exceptions raised by DOMKeyInfoFactory and DOMXMLSignatureFactory (Security, 8231415) (CVE-2020-2773)
* OpenJDK: Re-use of single TLS session for new connections (JSSE, 8234408) (CVE-2020-2781)
* OpenJDK: CRLF injection into HTTP headers in HttpServer (Lightweight HTTP Server, 8234825) (CVE-2020-2800)
* OpenJDK: Regular expression DoS in Scanner (Concurrency, 8236201) (CVE-2020-2830)
* OpenJDK: Incorrect handling of references to uninitialized class descriptors during deserialization (Serialization, 8224541) (CVE-2020-2756)
* OpenJDK: Uncaught InstantiationError exception in ObjectStreamClass (Serialization, 8224549) (CVE-2020-2757)
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.

Topics%20covered

Topics Covered

security advisory security issue important security impact red hat enterprise linux java update java runtime

References

https://access.redhat.com/security/cve/CVE-2020-2756 https://access.redhat.com/security/cve/CVE-2020-2757 https://access.redhat.com/security/cve/CVE-2020-2773 https://access.redhat.com/security/cve/CVE-2020-2781 https://access.redhat.com/security/cve/CVE-2020-2800 https://access.redhat.com/security/cve/CVE-2020-2803 https://access.redhat.com/security/cve/CVE-2020-2805 https://access.redhat.com/security/cve/CVE-2020-2830 https://access.redhat.com/security/updates/classification#important

Package List

Red Hat Enterprise Linux Desktop (v. 6):
Source: java-1.7.0-openjdk-1.7.0.261-2.6.22.1.el6_10.src.rpm
i386: java-1.7.0-openjdk-1.7.0.261-2.6.22.1.el6_10.i686.rpm java-1.7.0-openjdk-debuginfo-1.7.0.261-2.6.22.1.el6_10.i686.rpm java-1.7.0-openjdk-devel-1.7.0.261-2.6.22.1.el6_10.i686.rpm
x86_64: java-1.7.0-openjdk-1.7.0.261-2.6.22.1.el6_10.x86_64.rpm java-1.7.0-openjdk-debuginfo-1.7.0.261-2.6.22.1.el6_10.x86_64.rpm java-1.7.0-openjdk-devel-1.7.0.261-2.6.22.1.el6_10.x86_64.rpm
Red Hat Enterprise Linux Desktop Optional (v. 6):
i386: java-1.7.0-openjdk-debuginfo-1.7.0.261-2.6.22.1.el6_10.i686.rpm java-1.7.0-openjdk-demo-1.7.0.261-2.6.22.1.el6_10.i686.rpm java-1.7.0-openjdk-src-1.7.0.261-2.6.22.1.el6_10.i686.rpm
noarch: java-1.7.0-openjdk-javadoc-1.7.0.261-2.6.22.1.el6_10.noarch.rpm
x86_64: java-1.7.0-openjdk-debuginfo-1.7.0.261-2.6.22.1.el6_10.x86_64.rpm java-1.7.0-openjdk-demo-1.7.0.261-2.6.22.1.el6_10.x86_64.rpm java-1.7.0-openjdk-src-1.7.0.261-2.6.22.1.el6_10.x86_64.rpm
Red Hat Enterprise Linux HPC Node (v. 6):
Source: java-1.7.0-openjdk-1.7.0.261-2.6.22.1.el6_10.src.rpm
x86_64: java-1.7.0-openjdk-1.7.0.261-2.6.22.1.el6_10.x86_64.rpm java-1.7.0-openjdk-debuginfo-1.7.0.261-2.6.22.1.el6_10.x86_64.rpm java-1.7.0-openjdk-devel-1.7.0.261-2.6.22.1.el6_10.x86_64.rpm


Read the Full Advisory


Severity
important
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2020:1508-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2020:1508
Issue date: 2020-04-21

Topic

An update for java-1.7.0-openjdk is now available for Red Hat EnterpriseLinux 6.Red Hat Product Security has rated this update as having a security impactof Important. A Common Vulnerability Scoring System (CVSS) base score,which gives a detailed severity rating, is available for each vulnerabilityfrom the CVE link(s) in the References section.

Topics%20covered

Topics Covered

security advisory security issue important security impact red hat enterprise linux java update java runtime

Relevant Releases Architectures

Red Hat Enterprise Linux Desktop (v. 6) - i386, x86_64

Red Hat Enterprise Linux Desktop Optional (v. 6) - i386, noarch, x86_64

Red Hat Enterprise Linux HPC Node (v. 6) - x86_64

Red Hat Enterprise Linux HPC Node Optional (v. 6) - noarch, x86_64

Red Hat Enterprise Linux Server (v. 6) - i386, x86_64

Red Hat Enterprise Linux Server Optional (v. 6) - i386, noarch, x86_64

Red Hat Enterprise Linux Workstation (v. 6) - i386, x86_64

Red Hat Enterprise Linux Workstation Optional (v. 6) - i386, noarch, x86_64

Bugs Fixed

1823215 - CVE-2020-2756 OpenJDK: Incorrect handling of references to uninitialized class descriptors during deserialization (Serialization, 8224541)

1823216 - CVE-2020-2757 OpenJDK: Uncaught InstantiationError exception in ObjectStreamClass (Serialization, 8224549)

1823224 - CVE-2020-2773 OpenJDK: Unexpected exceptions raised by DOMKeyInfoFactory and DOMXMLSignatureFactory (Security, 8231415)

1823527 - CVE-2020-2800 OpenJDK: CRLF injection into HTTP headers in HttpServer (Lightweight HTTP Server, 8234825)

1823542 - CVE-2020-2830 OpenJDK: Regular expression DoS in Scanner (Concurrency, 8236201)

1823694 - CVE-2020-2803 OpenJDK: Incorrect bounds checks in NIO Buffers (Libraries, 8234841)

1823844 - CVE-2020-2805 OpenJDK: Incorrect type checks in MethodType.readObject() (Libraries, 8235274)

1823960 - CVE-2020-2781 OpenJDK: Re-use of single TLS session for new connections (JSSE, 8234408)

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