An update for java-1.8.0-openjdk is now available for Red Hat Enterprise Linux 6 and Red Hat Enterprise Linux 7.

Red Hat Product Security has rated this update as having a security impact of Critical. 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.

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) :

* It was discovered that the Hotspot component of OpenJDK did not properly check arguments of the System.arraycopy() function in certain cases. An untrusted Java application or applet could use this flaw to corrupt virtual machine's memory and completely bypass Java sandbox restrictions. (CVE-2016-5582)

* It was discovered that the Hotspot component of OpenJDK did not properly check received Java Debug Wire Protocol (JDWP) packets. An attacker could possibly use this flaw to send debugging commands to a Java program running with debugging enabled if they could make victim's browser send HTTP requests to the JDWP port of the debugged application. (CVE-2016-5573)

* It was discovered that the Libraries component of OpenJDK did not restrict the set of algorithms used for Jar integrity verification.
This flaw could allow an attacker to modify content of the Jar file that used weak signing key or hash algorithm. (CVE-2016-5542)

Note: After this update, MD2 hash algorithm and RSA keys with less than 1024 bits are no longer allowed to be used for Jar integrity verification by default. MD5 hash algorithm is expected to be disabled by default in the future updates. A newly introduced security property jdk.jar.disabledAlgorithms can be used to control the set of disabled algorithms.

* A flaw was found in the way the JMX component of OpenJDK handled classloaders. An untrusted Java application or applet could use this flaw to bypass certain Java sandbox restrictions. (CVE-2016-5554)

* A flaw was found in the way the Networking component of OpenJDK handled HTTP proxy authentication. A Java application could possibly expose HTTPS server authentication credentials via a plain text network connection to an HTTP proxy if proxy asked for authentication.
(CVE-2016-5597)

Note: After this update, Basic HTTP proxy authentication can no longer be used when tunneling HTTPS connection through an HTTP proxy. Newly introduced system properties jdk.http.auth.proxying.disabledSchemes and jdk.http.auth.tunneling.disabledSchemes can be used to control which authentication schemes can be requested by an HTTP proxy when proxying HTTP and HTTPS connections respectively.

Note: If the web browser plug-in provided by the icedtea-web package was installed, the issues exposed via Java applets could have been exploited without user interaction if a user visited a malicious website.

It was discovered that the Hotspot component of OpenJDK did not properly check arguments of the System.arraycopy() function in certain cases. An attacker could use this to bypass Java sandbox restrictions.
(CVE-2016-5582)

It was discovered that OpenJDK did not restrict the set of algorithms used for Jar integrity verification. An attacker could use this to modify without detection the content of a JAR file, affecting system integrity. (CVE-2016-5542)

It was discovered that the JMX component of OpenJDK did not sufficiently perform classloader consistency checks. An attacker could use this to bypass Java sandbox restrictions. (CVE-2016-5554)

It was discovered that the Hotspot component of OpenJDK did not properly check received Java Debug Wire Protocol (JDWP) packets. An attacker could use this to send debugging commands to a Java application with debugging enabled. (CVE-2016-5573)

It was discovered that OpenJDK did not properly handle HTTP proxy authentication. An attacker could use this to expose HTTPS server authentication credentials. (CVE-2016-5597).

Note that Tenable Network Security has extracted the preceding description block directly from the Ubuntu security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

An untrusted library search path flaw was found in the JCE component of

OpenJDK. A local attacker could possibly use this flaw to cause a Java

application using JCE to load an attacker-controlled library and hence escalate

their privileges. (CVE-2017-3511)

It was found that the JAXP component of OpenJDK failed to correctly enforce

parse tree size limits when parsing XML document. An attacker able to make a

Java application parse a specially crafted XML document could use this flaw to

make it consume an excessive amount of CPU and memory. (CVE-2017-3526)

It was discovered that the HTTP client implementation in the Networking

component of OpenJDK could cache and re-use an NTLM authenticated connection in

a different security context. A remote attacker could possibly use this flaw to

make a Java application perform HTTP requests authenticated with credentials of

a different user. (CVE-2017-3509)

It was discovered that the Security component of OpenJDK did not allow users

to restrict the set of algorithms allowed for Jar integrity verification. This

flaw could allow an attacker to modify content of the Jar file that used weak

signing key or hash algorithm. (CVE-2017-3539)

Newline injection flaws were discovered in FTP and SMTP client implementations

in the Networking component in OpenJDK. A remote attacker could possibly use

these flaws to manipulate FTP or SMTP connections established by a Java

application. (CVE-2017-3533 , CVE-2017-3544)

Note: This update adds support for the 'jdk.ntlm.cache' system property which,

when set to false, prevents caching of NTLM connections and authentications and

hence prevents this issue. However, caching remains enabled by default.

Note: This updates extends the fix for CVE-2016-5542 released as part of the

RHSA-2016-2658 erratum to no longer allow the MD5 hash algorithm during the Jar

integrity verification by adding it to the jdk.jar.disabledAlgorithms security

property.

This update for java-1_6_0-ibm fixes the following issues :

  - Version update to 6.0-16.35 (bsc#1009280) fixing the     following CVE's: CVE-2016-5568, CVE-2016-5556,     CVE-2016-5573, CVE-2016-5597, CVE-2016-5554,     CVE-2016-5542

Note that Tenable Network Security has extracted the preceding description block directly from the SUSE security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

The version of Oracle Java SE installed on the remote host is prior to 6 Update 131, 7 Update 121, or 8 Update 112 and is affected by multiple vulnerabilities :

 - An unspecified flaw exists related to the Libraries subcomponent.  This may allow a context-dependent attacker to have an impact on integrity.  No further details have been provided by the vendor.  (CVE-2016-5542)
 - A flaw exists in 'share/classes/com/sun/jmx/remote/util/ClassLoaderWithRepository.java' related to improper classloader consistency checks.  This may allow a context-dependent attacker to bypass certain Java sandbox restrictions. (CVE-2016-5554)
 - An unspecified flaw exists related to the 2D subcomponent.  This may allow a context-dependent attacker to execute arbitrary code.  No further details have been provided by the vendor. (CVE-2016-5556)
 - A flaw exists related to the AWT subcomponent.  This may allow a context-dependent attacker to execute arbitrary code.  No further details have been provided by the vendor. (CVE-2016-5568)
 - An unspecified flaw exists related to the hotspot subcomponent.  This may allow a context-dependent attacker to execute arbitrary code.  No further details have been provided by the vendor. (CVE-2016-5573)
 - A flaw exists in 'cpu/sparc/vm/c1_LIRAssembler_sparc.cpp' and 'cpu/x86/vm/c1_LIRAssembler_x86.cpp'.  The issue is triggered when handling calls to the 'System.arraycopy()' method due to missing type checks.  This may allow a context-dependent attacker to bypass Java sandbox restrictions.  (CVE-2016-5582)
 - An unspecified flaw exists related to the Networking subcomponent.  This may allow a context-dependent attacker to gain access to potentially sensitive information.  No further details have been provided by the vendor. (CVE-2016-5597)

ID	Name	Product	Family	Published	Updated	Severity
94140	CentOS 6 / 7 : java-1.8.0-openjdk (CESA-2016:2079)	Nessus	CentOS Local Security Checks	10/20/2016	1/4/2021	critical
94510	Ubuntu 16.04 LTS : OpenJDK 8 vulnerabilities (USN-3121-1)	Nessus	Ubuntu Local Security Checks	11/3/2016	10/20/2023	critical
100636	Amazon Linux AMI : java-1.7.0-openjdk (ALAS-2017-835)	Nessus	Amazon Linux Local Security Checks	6/7/2017	4/18/2018	high
119988	SUSE SLES12 Security Update : java-1_6_0-ibm (SUSE-SU-2016:3010-1)	Nessus	SuSE Local Security Checks	1/2/2019	7/11/2024	critical
127348	NewStart CGSL MAIN 4.05 : java-1.8.0-openjdk Multiple Vulnerabilities (NS-SA-2019-0111)	Nessus	NewStart CGSL Local Security Checks	8/12/2019	5/7/2024	critical
9712	Oracle Java SE 6 < Update 131 / 7 < Update 121 / 8 < Update 112 Multiple Vulnerabilities	Nessus Network Monitor	Web Clients	11/4/2016	3/6/2019	high

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