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💡 Newskategorie: Unix Server
🔗 Quelle: ubuntu.com
Ubuntu Security Notice USN-3121-1
3rd November, 2016
openjdk-8 vulnerabilities
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 16.10
- Ubuntu 16.04 LTS
Summary
Several security issues were fixed in OpenJDK 8.
Software description
- openjdk-8 - Open Source Java implementation
Details
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)
Update instructions
The problem can be corrected by updating your system to the following package version:
- Ubuntu 16.10:
- openjdk-8-jdk 8u111-b14-2ubuntu0.16.10.2
- openjdk-8-jre-headless 8u111-b14-2ubuntu0.16.10.2
- openjdk-8-jre 8u111-b14-2ubuntu0.16.10.2
- openjdk-8-jdk-headless 8u111-b14-2ubuntu0.16.10.2
- openjdk-8-jre-zero 8u111-b14-2ubuntu0.16.10.2
- openjdk-8-jre-jamvm 8u111-b14-2ubuntu0.16.10.2
- Ubuntu 16.04 LTS:
- openjdk-8-jdk 8u111-b14-2ubuntu0.16.04.2
- openjdk-8-jre-headless 8u111-b14-2ubuntu0.16.04.2
- openjdk-8-jre 8u111-b14-2ubuntu0.16.04.2
- openjdk-8-jdk-headless 8u111-b14-2ubuntu0.16.04.2
- openjdk-8-jre-zero 8u111-b14-2ubuntu0.16.04.2
- openjdk-8-jre-jamvm 8u111-b14-2ubuntu0.16.04.2
To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.
This update uses a new upstream release, which includes additional
bug fixes. After a standard system update you need to restart any
Java applications or applets to make all the necessary changes.
References
CVE-2016-5542, CVE-2016-5554, CVE-2016-5573, CVE-2016-5582, CVE-2016-5597
...