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Related Vulnerabilities: CVE-2016-0686 CVE-2016-0687 CVE-2016-0695 CVE-2016-3425 CVE-2016-3427

Multiple flaws were discovered in the Serialization and Hotspot components in OpenJDK. An untrusted Java application or applet could use these flaws to completely bypass Java sandbox restrictions. (CVE-2016-0686, CVE-2016-0687) It was discovered that the RMI server implementation in the JMX component in OpenJDK did not restrict which classes can be deserialized when deserializing authentication credentials. A remote, unauthenticated attacker able to connect to a JMX port could possibly use this flaw to trigger deserialization flaws. (CVE-2016-3427) It was discovered that the JAXP component in OpenJDK failed to properly handle Unicode surrogate pairs used as part of the XML attribute values. Specially crafted XML input could cause a Java application to use an excessive amount of memory when parsed. (CVE-2016-3425) It was discovered that the Security component in OpenJDK failed to check the digest algorithm strength when generating DSA signatures. The use of a digest weaker than the key strength could lead to the generation of signatures that were weaker than expected. (CVE-2016-0695)

Source

ALAS-2016-700

Amazon Linux AMI Security Advisory: ALAS-2016-700
Advisory Release Date: 2016-05-11 11:00 Pacific
Advisory Updated Date: 2016-05-11 11:00 Pacific

Severity: Critical

References: CVE-2016-0686 CVE-2016-0687 CVE-2016-0695 CVE-2016-3425 CVE-2016-3427

Issue Overview:

Multiple flaws were discovered in the Serialization and Hotspot components in OpenJDK. An untrusted Java application or applet could use these flaws to completely bypass Java sandbox restrictions. (CVE-2016-0686, CVE-2016-0687)

It was discovered that the RMI server implementation in the JMX component in OpenJDK did not restrict which classes can be deserialized when deserializing authentication credentials. A remote, unauthenticated attacker able to connect to a JMX port could possibly use this flaw to trigger deserialization flaws. (CVE-2016-3427)

It was discovered that the JAXP component in OpenJDK failed to properly handle Unicode surrogate pairs used as part of the XML attribute values. Specially crafted XML input could cause a Java application to use an excessive amount of memory when parsed. (CVE-2016-3425)

It was discovered that the Security component in OpenJDK failed to check the digest algorithm strength when generating DSA signatures. The use of a digest weaker than the key strength could lead to the generation of signatures that were weaker than expected. (CVE-2016-0695)

Affected Packages:

java-1.6.0-openjdk

Issue Correction:
Run yum update java-1.6.0-openjdk to update your system.

New Packages:

i686:
    java-1.6.0-openjdk-devel-1.6.0.39-1.13.11.1.74.amzn1.i686
    java-1.6.0-openjdk-debuginfo-1.6.0.39-1.13.11.1.74.amzn1.i686
    java-1.6.0-openjdk-demo-1.6.0.39-1.13.11.1.74.amzn1.i686
    java-1.6.0-openjdk-src-1.6.0.39-1.13.11.1.74.amzn1.i686
    java-1.6.0-openjdk-1.6.0.39-1.13.11.1.74.amzn1.i686
    java-1.6.0-openjdk-javadoc-1.6.0.39-1.13.11.1.74.amzn1.i686

src:
    java-1.6.0-openjdk-1.6.0.39-1.13.11.1.74.amzn1.src

x86_64:
    java-1.6.0-openjdk-src-1.6.0.39-1.13.11.1.74.amzn1.x86_64
    java-1.6.0-openjdk-javadoc-1.6.0.39-1.13.11.1.74.amzn1.x86_64
    java-1.6.0-openjdk-demo-1.6.0.39-1.13.11.1.74.amzn1.x86_64
    java-1.6.0-openjdk-debuginfo-1.6.0.39-1.13.11.1.74.amzn1.x86_64
    java-1.6.0-openjdk-devel-1.6.0.39-1.13.11.1.74.amzn1.x86_64
    java-1.6.0-openjdk-1.6.0.39-1.13.11.1.74.amzn1.x86_64

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ALAS-2016-700

ALAS-2016-700

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