Advisory Published

USN-3747-1: OpenJDK 10 vulnerabilities

First published: Tue Aug 21 2018(Updated: )

It was discovered that OpenJDK did not properly validate types in some situations. An attacker could use this to construct a Java class that could possibly bypass sandbox restrictions. (CVE-2018-2825, CVE-2018-2826) It was discovered that the PatternSyntaxException class in OpenJDK did not properly validate arguments passed to it. An attacker could use this to potentially construct a class that caused a denial of service (excessive memory consumption). (CVE-2018-2952) Daniel Bleichenbacher discovered a vulnerability in the Galois/Counter Mode (GCM) mode of operation for symmetric block ciphers in OpenJDK. An attacker could use this to expose sensitive information. (CVE-2018-2972)

Affected SoftwareAffected VersionHow to fix
All of
ubuntu/openjdk-11-jre<10.0.2+13-1ubuntu0.18.04.1
10.0.2+13-1ubuntu0.18.04.1
=18.04
All of
ubuntu/openjdk-11-jre-headless<10.0.2+13-1ubuntu0.18.04.1
10.0.2+13-1ubuntu0.18.04.1
=18.04
All of
ubuntu/openjdk-11-jre-zero<10.0.2+13-1ubuntu0.18.04.1
10.0.2+13-1ubuntu0.18.04.1
=18.04

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Child vulnerabilities

(Contains the following vulnerabilities)

Frequently Asked Questions

  • What is the severity of USN-3747-1?

    The severity of USN-3747-1 is high.

  • Which software is affected by USN-3747-1?

    OpenJDK version 10.0.2+13-1ubuntu0.18.04.1 is affected by USN-3747-1.

  • What are the vulnerabilities addressed by USN-3747-1?

    The vulnerabilities addressed by USN-3747-1 are CVE-2018-2825 and CVE-2018-2826.

  • How can an attacker exploit USN-3747-1?

    An attacker can exploit USN-3747-1 by constructing a Java class that may bypass sandbox restrictions.

  • Where can I find more information about USN-3747-1?

    You can find more information about USN-3747-1 at the following references: [CVE-2018-2825](https://ubuntu.com/security/CVE-2018-2825), [CVE-2018-2826](https://ubuntu.com/security/CVE-2018-2826), [CVE-2018-2952](https://ubuntu.com/security/CVE-2018-2952).

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