Bug 1823694 (CVE-2020-2803) - CVE-2020-2803 OpenJDK: Incorrect bounds checks in NIO Buffers (Libraries, 8234841)
Summary: CVE-2020-2803 OpenJDK: Incorrect bounds checks in NIO Buffers (Libraries, 823...
Keywords:
Status: CLOSED ERRATA
Alias: CVE-2020-2803
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
high
high
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 1810784 1810785 1810786 1810787 1810788 1810789 1810790 1810791 1810792 1810793 1810794 1821435 1821436 1821437 1826103 1826104 1832246 1832247 1832248 1832249 1832250 1832251 1832252 1832253 1832254
Blocks: 1810559
TreeView+ depends on / blocked
 
Reported: 2020-04-14 09:52 UTC by Tomas Hoger
Modified: 2020-07-26 23:02 UTC (History)
7 users (show)

Fixed In Version:
Doc Type: If docs needed, set a value
Doc Text:
A flaw was found in the boundary checks in the java.nio buffer classes in the Libraries component of OpenJDK, where it is bypassed in certain cases. This flaw allows an untrusted Java application or applet o bypass Java sandbox restrictions.
Clone Of:
Environment:
Last Closed: 2020-04-21 16:32:47 UTC

Attachments (Terms of Use)


Links
System ID Private Priority Status Summary Last Updated
Red Hat Product Errata RHBA-2020:1534 0 None None None 2020-04-22 01:02:16 UTC
Red Hat Product Errata RHBA-2020:1535 0 None None None 2020-04-22 08:58:07 UTC
Red Hat Product Errata RHBA-2020:1957 0 None None None 2020-04-29 01:12:36 UTC
Red Hat Product Errata RHBA-2020:1958 0 None None None 2020-04-29 01:12:44 UTC
Red Hat Product Errata RHBA-2020:1997 0 None None None 2020-04-30 15:04:39 UTC
Red Hat Product Errata RHBA-2020:1999 0 None None None 2020-04-30 18:18:19 UTC
Red Hat Product Errata RHBA-2020:2034 0 None None None 2020-05-06 08:47:16 UTC
Red Hat Product Errata RHBA-2020:2035 0 None None None 2020-05-06 08:50:53 UTC
Red Hat Product Errata RHBA-2020:2073 0 None None None 2020-05-12 08:36:34 UTC
Red Hat Product Errata RHBA-2020:2177 0 None None None 2020-05-18 09:50:16 UTC
Red Hat Product Errata RHBA-2020:2188 0 None None None 2020-05-18 14:46:57 UTC
Red Hat Product Errata RHBA-2020:2189 0 None None None 2020-05-18 14:45:36 UTC
Red Hat Product Errata RHBA-2020:2191 0 None None None 2020-05-18 14:47:56 UTC
Red Hat Product Errata RHBA-2020:2194 0 None None None 2020-05-18 14:49:58 UTC
Red Hat Product Errata RHBA-2020:2248 0 None None None 2020-05-21 15:21:35 UTC
Red Hat Product Errata RHBA-2020:2254 0 None None None 2020-05-25 16:20:45 UTC
Red Hat Product Errata RHBA-2020:2620 0 None None None 2020-06-19 01:48:24 UTC
Red Hat Product Errata RHSA-2020:1506 0 None None None 2020-04-21 10:21:13 UTC
Red Hat Product Errata RHSA-2020:1507 0 None None None 2020-04-21 10:20:35 UTC
Red Hat Product Errata RHSA-2020:1508 0 None None None 2020-04-21 09:32:55 UTC
Red Hat Product Errata RHSA-2020:1509 0 None None None 2020-04-21 11:17:18 UTC
Red Hat Product Errata RHSA-2020:1512 0 None None None 2020-04-21 11:31:32 UTC
Red Hat Product Errata RHSA-2020:1514 0 None None None 2020-04-21 16:31:57 UTC
Red Hat Product Errata RHSA-2020:1515 0 None None None 2020-04-22 09:34:01 UTC
Red Hat Product Errata RHSA-2020:1516 0 None None None 2020-04-22 09:17:26 UTC
Red Hat Product Errata RHSA-2020:1517 0 None None None 2020-04-22 09:14:59 UTC
Red Hat Product Errata RHSA-2020:2236 0 None None None 2020-05-20 14:24:42 UTC
Red Hat Product Errata RHSA-2020:2237 0 None None None 2020-05-20 14:25:12 UTC
Red Hat Product Errata RHSA-2020:2238 0 None None None 2020-05-20 14:26:05 UTC
Red Hat Product Errata RHSA-2020:2239 0 None None None 2020-05-20 14:25:39 UTC
Red Hat Product Errata RHSA-2020:2241 0 None None None 2020-05-20 16:03:52 UTC

Description Tomas Hoger 2020-04-14 09:52:50 UTC 
It was discovered that the boundary checks in the java.nio Buffer classes in the Libraries component of OpenJDK could be bypassed in certain cases.  An untrusted Java application or applet could use this flaw to bypass Java sandbox restrictions.
Comment 1 Tomas Hoger 2020-04-14 22:16:21 UTC 
Public now via Oracle CPU April 2020:

https://www.oracle.com/security-alerts/cpuapr2020.html#AppendixJAVA

Fixed in Oracle Java SE 14.0.1, 11.0.7, 8u251, and 7u261.
Comment 2 errata-xmlrpc 2020-04-21 09:32:53 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 6

Via RHSA-2020:1508 https://access.redhat.com/errata/RHSA-2020:1508
Comment 3 errata-xmlrpc 2020-04-21 10:20:33 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 7

Via RHSA-2020:1507 https://access.redhat.com/errata/RHSA-2020:1507
Comment 4 errata-xmlrpc 2020-04-21 10:21:11 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 6

Via RHSA-2020:1506 https://access.redhat.com/errata/RHSA-2020:1506
Comment 5 errata-xmlrpc 2020-04-21 11:17:16 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 7

Via RHSA-2020:1509 https://access.redhat.com/errata/RHSA-2020:1509
Comment 6 errata-xmlrpc 2020-04-21 11:31:31 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 7

Via RHSA-2020:1512 https://access.redhat.com/errata/RHSA-2020:1512
Comment 7 errata-xmlrpc 2020-04-21 16:31:56 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2020:1514 https://access.redhat.com/errata/RHSA-2020:1514
Comment 8 Product Security DevOps Team 2020-04-21 16:32:47 UTC 
This bug is now closed. Further updates for individual products will be reflected on the CVE page(s):

https://access.redhat.com/security/cve/cve-2020-2803
Comment 9 errata-xmlrpc 2020-04-22 09:14:57 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8.0 Update Services for SAP Solutions

Via RHSA-2020:1517 https://access.redhat.com/errata/RHSA-2020:1517
Comment 10 errata-xmlrpc 2020-04-22 09:17:23 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8.0 Update Services for SAP Solutions

Via RHSA-2020:1516 https://access.redhat.com/errata/RHSA-2020:1516
Comment 11 errata-xmlrpc 2020-04-22 09:33:59 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2020:1515 https://access.redhat.com/errata/RHSA-2020:1515
Comment 12 Tomas Hoger 2020-05-14 08:27:24 UTC 
OpenJDK-11 upstream commit:
http://hg.openjdk.java.net/jdk-updates/jdk11u/rev/4b2346f5b2d5

OpenJDK-8 upstream commit:
http://hg.openjdk.java.net/jdk8u/jdk8u/jdk/rev/a6dcbf49526c

OpenJDK-7 upstream commit:
http://hg.openjdk.java.net/jdk7u/jdk7u/jdk/rev/3bdb32006248
Comment 13 errata-xmlrpc 2020-05-20 14:24:40 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 6 Supplementary

Via RHSA-2020:2236 https://access.redhat.com/errata/RHSA-2020:2236
Comment 14 errata-xmlrpc 2020-05-20 14:25:10 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 7 Supplementary

Via RHSA-2020:2237 https://access.redhat.com/errata/RHSA-2020:2237
Comment 15 errata-xmlrpc 2020-05-20 14:25:38 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 6 Supplementary

Via RHSA-2020:2239 https://access.redhat.com/errata/RHSA-2020:2239
Comment 16 errata-xmlrpc 2020-05-20 14:26:03 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 7 Supplementary

Via RHSA-2020:2238 https://access.redhat.com/errata/RHSA-2020:2238
Comment 17 errata-xmlrpc 2020-05-20 16:03:50 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2020:2241 https://access.redhat.com/errata/RHSA-2020:2241
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