medium
5.8
CWE
358
Advisory Published
CVE Published
Updated

CVE-2020-2767

First published: Tue Apr 14 2020(Updated: )

A flaw was found in the way the TLS implementation in the JSSE component of OpenJDK handled unexpected Certificate messages during the TLS handshake. This could possibly allow an attacker to tamper with certificate verification performed during the handshake.

Credit: secalert_us@oracle.com

Affected SoftwareAffected VersionHow to fix
redhat/java<11-openjdk-1:11.0.7.10-4.el7_8
11-openjdk-1:11.0.7.10-4.el7_8
redhat/java<11-openjdk-1:11.0.7.10-1.el8_1
11-openjdk-1:11.0.7.10-1.el8_1
redhat/java<11-openjdk-1:11.0.7.10-1.el8_0
11-openjdk-1:11.0.7.10-1.el8_0
debian/openjdk-11
11.0.24+8-2~deb11u1
11.0.25~5ea-1
Oracle JDK 6=11.0.6
Oracle JDK 6=14.0.0
Oracle Java Runtime Environment (JRE)=11.0.6
Oracle Java Runtime Environment (JRE)=14.0.0
OpenJDK 17>=11<=11.0.6
OpenJDK 17>=13<=13.0.2
OpenJDK 17=7
OpenJDK 17=7-update1
OpenJDK 17=7-update10
OpenJDK 17=7-update101
OpenJDK 17=7-update11
OpenJDK 17=7-update111
OpenJDK 17=7-update121
OpenJDK 17=7-update13
OpenJDK 17=7-update131
OpenJDK 17=7-update141
OpenJDK 17=7-update15
OpenJDK 17=7-update151
OpenJDK 17=7-update161
OpenJDK 17=7-update17
OpenJDK 17=7-update171
OpenJDK 17=7-update181
OpenJDK 17=7-update191
OpenJDK 17=7-update2
OpenJDK 17=7-update201
OpenJDK 17=7-update21
OpenJDK 17=7-update211
OpenJDK 17=7-update221
OpenJDK 17=7-update231
OpenJDK 17=7-update241
OpenJDK 17=7-update25
OpenJDK 17=7-update251
OpenJDK 17=7-update3
OpenJDK 17=7-update4
OpenJDK 17=7-update40
OpenJDK 17=7-update45
OpenJDK 17=7-update5
OpenJDK 17=7-update51
OpenJDK 17=7-update55
OpenJDK 17=7-update6
OpenJDK 17=7-update60
OpenJDK 17=7-update65
OpenJDK 17=7-update67
OpenJDK 17=7-update7
OpenJDK 17=7-update72
OpenJDK 17=7-update76
OpenJDK 17=7-update80
OpenJDK 17=7-update85
OpenJDK 17=7-update9
OpenJDK 17=7-update91
OpenJDK 17=7-update95
OpenJDK 17=7-update97
OpenJDK 17=7-update99
OpenJDK 17=8
OpenJDK 17=8-update101
OpenJDK 17=8-update102
OpenJDK 17=8-update11
OpenJDK 17=8-update111
OpenJDK 17=8-update112
OpenJDK 17=8-update121
OpenJDK 17=8-update131
OpenJDK 17=8-update141
OpenJDK 17=8-update151
OpenJDK 17=8-update152
OpenJDK 17=8-update161
OpenJDK 17=8-update162
OpenJDK 17=8-update171
OpenJDK 17=8-update172
OpenJDK 17=8-update181
OpenJDK 17=8-update191
OpenJDK 17=8-update192
OpenJDK 17=8-update20
OpenJDK 17=8-update201
OpenJDK 17=8-update202
OpenJDK 17=8-update211
OpenJDK 17=8-update212
OpenJDK 17=8-update221
OpenJDK 17=8-update231
OpenJDK 17=8-update241
OpenJDK 17=8-update25
OpenJDK 17=8-update31
OpenJDK 17=8-update40
OpenJDK 17=8-update45
OpenJDK 17=8-update5
OpenJDK 17=8-update51
OpenJDK 17=8-update60
OpenJDK 17=8-update65
OpenJDK 17=8-update66
OpenJDK 17=8-update71
OpenJDK 17=8-update72
OpenJDK 17=8-update73
OpenJDK 17=8-update74
OpenJDK 17=8-update77
OpenJDK 17=8-update91
OpenJDK 17=8-update92
OpenJDK 17=14
NetApp 7-Mode Transition Tool
NetApp Active IQ Unified Manager for VMware vSphere
netapp active iq unified manager windows
netapp cloud backup
netapp cloud secure agent
netapp e-series performance analyzer
NetApp E-Series SANtricity OS Controller>=11.0.0<=11.70.2
netapp e-series santricity Web services Web services proxy
NetApp OnCommand Insight
NetApp OnCommand Workflow Automation
netapp plug-in for symantec netbackup
netapp santricity unified manager
netapp snapmanager sap
netapp snapmanager Oracle
NetApp SteelStore
netapp storagegrid>=9.0.0<=9.0.4
netapp storagegrid
Ubuntu Linux=16.04
Ubuntu Linux=18.04
Ubuntu Linux=19.10
Debian GNU/Linux=10.0
openSUSE=15.1
Ubuntu=16.04
Ubuntu=18.04
Ubuntu=19.10
Debian=10.0

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Reference Links

Parent vulnerabilities

(Appears in the following advisories)

Frequently Asked Questions

  • What is the severity of CVE-2020-2767?

    CVE-2020-2767 has a CVSS score of 7.5, indicating it is of high severity.

  • How do I fix CVE-2020-2767?

    To fix CVE-2020-2767, upgrade to a patched version of OpenJDK or Oracle JDK as specified in the vulnerability advisory.

  • Is CVE-2020-2767 exploitable remotely?

    Yes, CVE-2020-2767 can be exploited remotely in scenarios where an attacker can intercept and manipulate TLS handshake messages.

  • What versions of OpenJDK are affected by CVE-2020-2767?

    CVE-2020-2767 affects OpenJDK versions 11.0.6 and earlier; specific versions include 11-openjdk-1:11.0.7.10-4.el7_8 and 11-openjdk-1:11.0.7.10-1.el8_1.

  • Are there any specific platforms vulnerable to CVE-2020-2767?

    Yes, CVE-2020-2767 affects multiple platforms including Red Hat and Debian distributions, particularly with the specified vulnerable OpenJDK packages.

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