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19 November 2018

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             AUSCERT External Security Bulletin Redistribution

                         OpenJDK 7 vulnerabilities
                             19 November 2018


        AusCERT Security Bulletin Summary

Product:           openjdk-7
Publisher:         Ubuntu
Operating System:  Ubuntu
Impact/Access:     Execute Arbitrary Code/Commands -- Remote with User Interaction
                   Modify Arbitrary Files          -- Remote with User Interaction
                   Delete Arbitrary Files          -- Remote with User Interaction
                   Access Confidential Data        -- Remote/Unauthenticated      
Resolution:        Patch/Upgrade
CVE Names:         CVE-2018-3180 CVE-2018-3169 CVE-2018-3149
                   CVE-2018-3139 CVE-2018-3136 

Reference:         ASB-2018.0290

Original Bulletin: 

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USN-3824-1: OpenJDK 7 vulnerabilities

16 November 2018

openjdk-7 vulnerabilities

A security issue affects these releases of Ubuntu and its derivatives:

  o Ubuntu 14.04 LTS


Several security issues were fixed in OpenJDK 7.

Software Description

  o openjdk-7 - Open Source Java implementation


It was discovered that the Security component of OpenJDK did not properly
ensure that manifest elements were signed before use. An attacker could
possibly use this to specially construct an untrusted Java application or
applet that could escape sandbox restrictions. (CVE-2018-3136)

Artem Smotrakov discovered that the HTTP client redirection handler
implementation in OpenJDK did not clear potentially sensitive information in
HTTP headers when following redirections to different hosts. An attacker could
use this to expose sensitive information. (CVE-2018-3139)

It was discovered that the Java Naming and Directory Interface (JNDI)
implementation in OpenJDK did not properly enforce restrictions specified by
system properties in some situations. An attacker could potentially use this to
execute arbitrary code. (CVE-2018-3149)

It was discovered that the Hotspot component of OpenJDK did not properly
perform access checks in certain cases when performing field link resolution.
An attacker could use this to specially construct an untrusted Java application
or applet that could escape sandbox restrictions. (CVE-2018-3169)

Felix Dorre discovered that the Java Secure Socket Extension (JSSE)
implementation in OpenJDK did not ensure that the same endpoint identification
algorithm was used during TLS session resumption as during initial session
setup. An attacker could use this to expose sensitive information.

Update instructions

The problem can be corrected by updating your system to the following package

Ubuntu 14.04 LTS
    icedtea-7-jre-jamvm - 7u181-2.6.14-0ubuntu0.3
    openjdk-7-jdk - 7u181-2.6.14-0ubuntu0.3
    openjdk-7-jre - 7u181-2.6.14-0ubuntu0.3
    openjdk-7-jre-headless - 7u181-2.6.14-0ubuntu0.3
    openjdk-7-jre-lib - 7u181-2.6.14-0ubuntu0.3

To update your system, please follow these instructions: https://

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.


  o CVE-2018-3136
  o CVE-2018-3139
  o CVE-2018-3149
  o CVE-2018-3169
  o CVE-2018-3180

(C) 2017 Canonical Ltd. Ubuntu and Canonical are registered trademarks of
Canonical Ltd.

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