Bug 1413911 (CVE-2016-5546) - CVE-2016-5546 OpenJDK: incorrect ECDSA signature extraction from the DER input (Libraries, 8168714)
Summary: CVE-2016-5546 OpenJDK: incorrect ECDSA signature extraction from the DER inpu...
Keywords:
Status: CLOSED ERRATA
Alias: CVE-2016-5546
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On:
Blocks: 1410614
TreeView+ depends on / blocked
 
Reported: 2017-01-17 10:11 UTC by Tomas Hoger
Modified: 2020-03-11 15:36 UTC (History)
4 users (show)

Fixed In Version:
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It was discovered that the Libraries component of OpenJDK accepted ECDSA signatures using non-canonical DER encoding. This could cause a Java application to accept signature in an incorrect format not accepted by other cryptographic tools.
Clone Of:
Environment:
Last Closed: 2017-02-28 09:26:31 UTC
Embargoed:

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System ID Private Priority Status Summary Last Updated
Red Hat Product Errata RHSA-2017:0175 0 normal SHIPPED_LIVE Critical: java-1.8.0-oracle security update 2017-12-14 19:50:08 UTC
Red Hat Product Errata RHSA-2017:0176 0 normal SHIPPED_LIVE Critical: java-1.7.0-oracle security update 2017-12-14 20:16:27 UTC
Red Hat Product Errata RHSA-2017:0177 0 normal SHIPPED_LIVE Critical: java-1.6.0-sun security update 2017-12-14 19:35:31 UTC
Red Hat Product Errata RHSA-2017:0180 0 normal SHIPPED_LIVE Critical: java-1.8.0-openjdk security update 2017-01-20 16:04:36 UTC
Red Hat Product Errata RHSA-2017:0263 0 normal SHIPPED_LIVE Critical: java-1.8.0-ibm security update 2017-02-09 17:05:35 UTC
Red Hat Product Errata RHSA-2017:0269 0 normal SHIPPED_LIVE Critical: java-1.7.0-openjdk security update 2017-02-13 16:17:52 UTC
Red Hat Product Errata RHSA-2017:0336 0 normal SHIPPED_LIVE Critical: java-1.7.1-ibm security update 2017-02-28 13:19:38 UTC
Red Hat Product Errata RHSA-2017:0337 0 normal SHIPPED_LIVE Critical: java-1.7.0-ibm security update 2017-02-28 13:19:27 UTC
Red Hat Product Errata RHSA-2017:0338 0 normal SHIPPED_LIVE Critical: java-1.6.0-ibm security update 2017-02-28 13:29:25 UTC
Red Hat Product Errata RHSA-2017:1216 0 normal SHIPPED_LIVE Moderate: java-1.7.1-ibm security update 2017-05-09 20:41:26 UTC

Description Tomas Hoger 2017-01-17 10:11:09 UTC 
It was discovered that the ECDSASignature class in the Libraries component of OpenJDK accepted signatures using non-canonical DER encoding.  This could cause a Java application to accept signature in an incorrect format not accepted by other cryptographic tools.
Comment 1 Tomas Hoger 2017-01-17 21:25:27 UTC 
Related entry in the Oracle JDK release notes:

http://www.oracle.com/technetwork/java/javase/8u121-relnotes-3315208.html
http://www.oracle.com/technetwork/java/javaseproducts/documentation/javase7supportreleasenotes-1601161.html#R170_131
http://www.oracle.com/technetwork/java/javase/documentation/overview-156328.html#R160_141

  security-libs
  More checks added to DER encoding parsing code

  More checks are added to the DER encoding parsing code to catch various
  encoding errors. In addition, signatures which contain constructed
  indefinite length encoding will now lead to IOException during parsing.
  Note that signatures generated using JDK default providers are not affected
  by this change. 
  JDK-8168714 (not public)
Comment 2 Tomas Hoger 2017-01-17 21:42:59 UTC 
Public now via Oracle CPU January 2017:

http://www.oracle.com/technetwork/security-advisory/cpujan2017-2881727.html#AppendixJAVA

The issue was fixed in Oracle JDK 8u121, 7u131, and 6u141.
Comment 3 Tomas Hoger 2017-01-18 20:47:05 UTC 
OpenJDK 8 upstream commit:

http://hg.openjdk.java.net/jdk8u/jdk8u/jdk/rev/31dae74ad077
Comment 4 errata-xmlrpc 2017-01-19 14:01:06 UTC 
This issue has been addressed in the following products:

  Oracle Java for Red Hat Enterprise Linux 7
  Oracle Java for Red Hat Enterprise Linux 6
  Oracle Java for Red Hat Enterprise Linux 5

Via RHSA-2017:0176 https://rhn.redhat.com/errata/RHSA-2017-0176.html
Comment 5 errata-xmlrpc 2017-01-19 14:03:08 UTC 
This issue has been addressed in the following products:

  Oracle Java for Red Hat Enterprise Linux 6
  Oracle Java for Red Hat Enterprise Linux 7

Via RHSA-2017:0175 https://rhn.redhat.com/errata/RHSA-2017-0175.html
Comment 6 errata-xmlrpc 2017-01-19 14:10:35 UTC 
This issue has been addressed in the following products:

  Oracle Java for Red Hat Enterprise Linux 5
  Oracle Java for Red Hat Enterprise Linux 6
  Oracle Java for Red Hat Enterprise Linux 7

Via RHSA-2017:0177 https://rhn.redhat.com/errata/RHSA-2017-0177.html
Comment 7 errata-xmlrpc 2017-01-20 11:06:34 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 6
  Red Hat Enterprise Linux 7

Via RHSA-2017:0180 https://rhn.redhat.com/errata/RHSA-2017-0180.html
Comment 8 errata-xmlrpc 2017-02-09 12:06:53 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 6 Supplementary
  Red Hat Enterprise Linux 7 Supplementary

Via RHSA-2017:0263 https://rhn.redhat.com/errata/RHSA-2017-0263.html
Comment 9 errata-xmlrpc 2017-02-13 11:19:41 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 6
  Red Hat Enterprise Linux 7
  Red Hat Enterprise Linux 5

Via RHSA-2017:0269 https://rhn.redhat.com/errata/RHSA-2017-0269.html
Comment 10 errata-xmlrpc 2017-02-28 08:21:13 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 5 Supplementary

Via RHSA-2017:0337 https://rhn.redhat.com/errata/RHSA-2017-0337.html
Comment 11 errata-xmlrpc 2017-02-28 08:23:16 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 6 Supplementary
  Red Hat Enterprise Linux 7 Supplementary

Via RHSA-2017:0336 https://rhn.redhat.com/errata/RHSA-2017-0336.html
Comment 12 errata-xmlrpc 2017-02-28 08:30:46 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 6 Supplementary
  Red Hat Enterprise Linux 5 Supplementary

Via RHSA-2017:0338 https://rhn.redhat.com/errata/RHSA-2017-0338.html
Comment 13 errata-xmlrpc 2017-05-09 16:43:24 UTC 
This issue has been addressed in the following products:

  Red Hat Satellite 5.6
  Red Hat Satellite 5.7

Via RHSA-2017:1216 https://access.redhat.com/errata/RHSA-2017:1216
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