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Bug 1242019 - (CVE-2015-2601) CVE-2015-2601 OpenJDK: non-constant time comparisons in crypto code (JCE, 8074865)
CVE-2015-2601 OpenJDK: non-constant time comparisons in crypto code (JCE, 807...
Status: CLOSED ERRATA
Product: Security Response
Classification: Other
Component: vulnerability (Show other bugs)
unspecified
All Linux
medium Severity medium
: ---
: ---
Assigned To: Red Hat Product Security
impact=moderate,public=20150714,repor...
: Security
Depends On:
Blocks: 1235167
  Show dependency tree / graph
 
Reported: 2015-07-10 12:18 EDT by Tomas Hoger
Modified: 2015-08-13 08:18 EDT (History)
4 users (show)

See Also:
Fixed In Version:
Doc Type: Bug Fix
Doc Text:
It was discovered that the JCE component in OpenJDK failed to use constant time comparisons in multiple cases. An attacker could possibly use these flaws to disclose sensitive information by measuring the time used to perform operations using these non-constant time comparisons.
Story Points: ---
Clone Of:
Environment:
Last Closed: 2015-08-13 08:18:33 EDT
Type: ---
Regression: ---
Mount Type: ---
Documentation: ---
CRM:
Verified Versions:
Category: ---
oVirt Team: ---
RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: ---

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External Trackers
Tracker ID Priority Status Summary Last Updated
Red Hat Product Errata RHSA-2015:1228 normal SHIPPED_LIVE Important: java-1.8.0-openjdk security update 2015-07-15 12:37:01 EDT
Red Hat Product Errata RHSA-2015:1229 normal SHIPPED_LIVE Critical: java-1.7.0-openjdk security update 2015-07-15 12:35:48 EDT
Red Hat Product Errata RHSA-2015:1230 normal SHIPPED_LIVE Important: java-1.7.0-openjdk security update 2015-07-15 12:01:10 EDT
Red Hat Product Errata RHSA-2015:1241 normal SHIPPED_LIVE Critical: java-1.8.0-oracle security update 2017-12-15 10:34:28 EST
Red Hat Product Errata RHSA-2015:1242 normal SHIPPED_LIVE Critical: java-1.7.0-oracle security update 2017-12-15 10:31:57 EST
Red Hat Product Errata RHSA-2015:1243 normal SHIPPED_LIVE Important: java-1.6.0-sun security update 2017-12-15 10:34:18 EST
Red Hat Product Errata RHSA-2015:1485 normal SHIPPED_LIVE Critical: java-1.7.1-ibm security update 2015-07-22 19:56:33 EDT
Red Hat Product Errata RHSA-2015:1486 normal SHIPPED_LIVE Critical: java-1.6.0-ibm security update 2015-07-22 19:33:04 EDT
Red Hat Product Errata RHSA-2015:1488 normal SHIPPED_LIVE Critical: java-1.7.0-ibm security update 2015-07-23 19:20:39 EDT
Red Hat Product Errata RHSA-2015:1526 normal SHIPPED_LIVE Important: java-1.6.0-openjdk security update 2015-07-30 17:14:52 EDT
Red Hat Product Errata RHSA-2015:1544 normal SHIPPED_LIVE Important: java-1.5.0-ibm security update 2015-08-04 17:13:08 EDT
Red Hat Product Errata RHSA-2015:1604 normal SHIPPED_LIVE Moderate: Red Hat Satellite IBM Java Runtime security update 2015-08-12 16:38:58 EDT

  None (edit)
Description Tomas Hoger 2015-07-10 12:18:53 EDT 
It was discovered that the JCE (Java Cryptography Extension) component in OpenJDK failed to use constant time comparisons in multiple cases.  An attacker could possibly use these flaws to disclose sensitive information by measuring time used to perform operations using these non-constant time comparisons.
Comment 1 Tomas Hoger 2015-07-14 16:40:00 EDT 
Public now via Oracle Critical Patch Update - July 2015.  Fixed in Oracle Java SE 6u101, 7u85, and 8u51.

External References:

http://www.oracle.com/technetwork/topics/security/cpujul2015-2367936.html#AppendixJAVA
Comment 2 errata-xmlrpc 2015-07-15 08:01:38 EDT 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 5

Via RHSA-2015:1230 https://rhn.redhat.com/errata/RHSA-2015-1230.html
Comment 3 errata-xmlrpc 2015-07-15 08:36:34 EDT 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 7
  Red Hat Enterprise Linux 6

Via RHSA-2015:1229 https://rhn.redhat.com/errata/RHSA-2015-1229.html
Comment 4 errata-xmlrpc 2015-07-15 08:37:38 EDT 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 6
  Red Hat Enterprise Linux 7

Via RHSA-2015:1228 https://rhn.redhat.com/errata/RHSA-2015-1228.html
Comment 5 Tomas Hoger 2015-07-16 10:57:41 EDT 
OpenJDK 8 upstream commit:

http://hg.openjdk.java.net/jdk8u/jdk8u/jdk/rev/814e82e7b5af
Comment 6 errata-xmlrpc 2015-07-17 04:04:04 EDT 
This issue has been addressed in the following products:

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

Via RHSA-2015:1243 https://rhn.redhat.com/errata/RHSA-2015-1243.html
Comment 7 errata-xmlrpc 2015-07-17 04:05:15 EDT 
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
  Oracle Java for Red Hat Enterprise Linux 5

Via RHSA-2015:1242 https://rhn.redhat.com/errata/RHSA-2015-1242.html
Comment 8 errata-xmlrpc 2015-07-17 04:08:11 EDT 
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-2015:1241 https://rhn.redhat.com/errata/RHSA-2015-1241.html
Comment 9 errata-xmlrpc 2015-07-22 15:33:50 EDT 
This issue has been addressed in the following products:

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

Via RHSA-2015:1486 https://rhn.redhat.com/errata/RHSA-2015-1486.html
Comment 10 errata-xmlrpc 2015-07-22 15:56:55 EDT 
This issue has been addressed in the following products:

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

Via RHSA-2015:1485 https://rhn.redhat.com/errata/RHSA-2015-1485.html
Comment 11 errata-xmlrpc 2015-07-23 15:21:25 EDT 
This issue has been addressed in the following products:

  Supplementary for Red Hat Enterprise Linux 5

Via RHSA-2015:1488 https://rhn.redhat.com/errata/RHSA-2015-1488.html
Comment 12 errata-xmlrpc 2015-07-30 13:15:37 EDT 
This issue has been addressed in the following products:

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

Via RHSA-2015:1526 https://rhn.redhat.com/errata/RHSA-2015-1526.html
Comment 13 errata-xmlrpc 2015-08-04 13:14:00 EDT 
This issue has been addressed in the following products:

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

Via RHSA-2015:1544 https://rhn.redhat.com/errata/RHSA-2015-1544.html
Comment 14 errata-xmlrpc 2015-08-12 12:40:05 EDT 
This issue has been addressed in the following products:

  Red Hat Satellite Server v 5.7
  Red Hat Satellite Server v 5.6

Via RHSA-2015:1604 https://rhn.redhat.com/errata/RHSA-2015-1604.html
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