ALAS-2016-643


Amazon Linux AMI Security Advisory: ALAS-2016-643
Advisory Release Date: 2016-02-09 13:30 Pacific
Severity: Important

Issue Overview:

An out-of-bounds write flaw was found in the JPEG image format decoder in the AWT component in OpenJDK. A specially crafted JPEG image could cause a Java application to crash or, possibly execute arbitrary code. An untrusted Java application or applet could use this flaw to bypass Java sandbox restrictions. (CVE-2016-0483 )

An integer signedness issue was found in the font parsing code in the 2D component in OpenJDK. A specially crafted font file could possibly cause the Java Virtual Machine to execute arbitrary code, allowing an untrusted Java application or applet to bypass Java sandbox restrictions. (CVE-2016-0494 )

It was discovered that the JAXP component in OpenJDK did not properly enforce the totalEntitySizeLimit limit. An attacker able to make a Java application process a specially crafted XML file could use this flaw to make the application consume an excessive amount of memory. (CVE-2016-0466 )

A flaw was found in the way TLS 1.2 could use the MD5 hash function for signing ServerKeyExchange and Client Authentication packets during a TLS handshake. A man-in-the-middle attacker able to force a TLS connection to use the MD5 hash function could use this flaw to conduct collision attacks to impersonate a TLS server or an authenticated TLS client. (CVE-2015-7575 )

Multiple flaws were discovered in the Libraries, Networking, and JMX components in OpenJDK. An untrusted Java application or applet could use these flaws to bypass certain Java sandbox restrictions. (CVE-2015-4871 , CVE-2016-0402 , CVE-2016-0448 )

Note: This update also disallows the use of the MD5 hash algorithm in the certification path processing. The use of MD5 can be re-enabled by removing MD5 from the jdk.certpath.disabledAlgorithms security property defined in the java.security file.


Affected Packages:

java-1.7.0-openjdk


Issue Correction:
Run yum update java-1.7.0-openjdk to update your system.

New Packages:
i686:
    java-1.7.0-openjdk-src-1.7.0.95-2.6.4.0.65.amzn1.i686
    java-1.7.0-openjdk-1.7.0.95-2.6.4.0.65.amzn1.i686
    java-1.7.0-openjdk-demo-1.7.0.95-2.6.4.0.65.amzn1.i686
    java-1.7.0-openjdk-devel-1.7.0.95-2.6.4.0.65.amzn1.i686
    java-1.7.0-openjdk-debuginfo-1.7.0.95-2.6.4.0.65.amzn1.i686

noarch:
    java-1.7.0-openjdk-javadoc-1.7.0.95-2.6.4.0.65.amzn1.noarch

src:
    java-1.7.0-openjdk-1.7.0.95-2.6.4.0.65.amzn1.src

x86_64:
    java-1.7.0-openjdk-debuginfo-1.7.0.95-2.6.4.0.65.amzn1.x86_64
    java-1.7.0-openjdk-demo-1.7.0.95-2.6.4.0.65.amzn1.x86_64
    java-1.7.0-openjdk-devel-1.7.0.95-2.6.4.0.65.amzn1.x86_64
    java-1.7.0-openjdk-src-1.7.0.95-2.6.4.0.65.amzn1.x86_64
    java-1.7.0-openjdk-1.7.0.95-2.6.4.0.65.amzn1.x86_64