high
7.5
CWE
476
Advisory Published
CVE Published
Updated

CVE-2020-1971: Null Pointer Dereference

First published: Wed Dec 02 2020(Updated: )

A null pointer dereference flaw was found in openssl. A remote attacker, able to control the arguments of the GENERAL_NAME_cmp function, could cause the application, compiled with openssl to crash resulting in a denial of service. The highest threat from this vulnerability is to system availability.

Credit: openssl-security@openssl.org

Affected SoftwareAffected VersionHow to fix
redhat/jbcs-httpd24-brotli<0:1.0.6-40.jbcs.el7
0:1.0.6-40.jbcs.el7
redhat/jbcs-httpd24-httpd<0:2.4.37-66.jbcs.el7
0:2.4.37-66.jbcs.el7
redhat/jbcs-httpd24-nghttp2<0:1.39.2-35.jbcs.el7
0:1.39.2-35.jbcs.el7
redhat/jbcs-httpd24-openssl<1:1.1.1g-3.jbcs.el7
1:1.1.1g-3.jbcs.el7
redhat/jbcs-httpd24-openssl-chil<0:1.0.0-3.jbcs.el7
0:1.0.0-3.jbcs.el7
redhat/jbcs-httpd24-openssl-pkcs11<0:0.4.10-18.jbcs.el7
0:0.4.10-18.jbcs.el7
redhat/openssl<0:1.0.1e-59.el6_10
0:1.0.1e-59.el6_10
redhat/openssl<1:1.0.2k-21.el7_9
1:1.0.2k-21.el7_9
redhat/openssl<1:1.0.1e-52.el7_2
1:1.0.1e-52.el7_2
redhat/openssl<1:1.0.1e-61.el7_3
1:1.0.1e-61.el7_3
redhat/openssl<1:1.0.2k-9.el7_4
1:1.0.2k-9.el7_4
redhat/openssl<1:1.0.2k-17.el7_6
1:1.0.2k-17.el7_6
redhat/openssl<1:1.0.2k-20.el7_7
1:1.0.2k-20.el7_7
redhat/openssl<1:1.1.1g-12.el8_3
1:1.1.1g-12.el8_3
redhat/openssl<1:1.1.1-9.el8_0
1:1.1.1-9.el8_0
redhat/openssl<1:1.1.1c-3.el8_1
1:1.1.1c-3.el8_1
redhat/openssl<1:1.1.1c-16.el8_2
1:1.1.1c-16.el8_2
redhat/tomcat-native<0:1.2.23-23.redhat_23.ep7.el7
0:1.2.23-23.redhat_23.ep7.el7
redhat/jws5-tomcat<0:9.0.36-9.redhat_8.1.el7
0:9.0.36-9.redhat_8.1.el7
redhat/jws5-tomcat-native<0:1.2.25-3.redhat_3.el7
0:1.2.25-3.redhat_3.el7
redhat/jws5-tomcat<0:9.0.36-9.redhat_8.1.el8
0:9.0.36-9.redhat_8.1.el8
redhat/jws5-tomcat-native<0:1.2.25-3.redhat_3.el8
0:1.2.25-3.redhat_3.el8
IBM Cognos Analytics<=12.0.0-12.0.1
IBM Cognos Analytics<=11.2.0-11.2.4 FP2
IBM Cognos Analytics<=11.1.1-11.1.7 FP7
redhat/openssl<1.1.1
1.1.1
OpenSSL OpenSSL>=1.0.2<1.0.2x
OpenSSL OpenSSL>=1.1.1<1.1.1i
Debian Debian Linux=9.0
Debian Debian Linux=10.0
Fedoraproject Fedora=32
Fedoraproject Fedora=33
Oracle API Gateway=11.1.2.4.0
Oracle Business Intelligence=5.5.0.0.0
Oracle Business Intelligence=5.9.0.0.0
Oracle Business Intelligence=12.2.1.3.0
Oracle Business Intelligence=12.2.1.4.0
Oracle Communications Cloud Native Core Network Function Cloud Native Environment=1.10.0
Oracle Communications Diameter Intelligence Hub>=8.0.0<=8.1.0
Oracle Communications Diameter Intelligence Hub>=8.2.0<=8.2.3
Oracle Communications Session Border Controller=cz8.2
Oracle Communications Session Border Controller=cz8.3
Oracle Communications Session Border Controller=cz8.4
Oracle Communications Session Router=cz8.2
Oracle Communications Session Router=cz8.3
Oracle Communications Session Router=cz8.4
Oracle Communications Subscriber-aware Load Balancer=cz8.2
Oracle Communications Subscriber-aware Load Balancer=cz8.3
Oracle Communications Subscriber-aware Load Balancer=cz8.4
Oracle Communications Unified Session Manager=scz8.2.5
Oracle Enterprise Communications Broker=pcz3.1
Oracle Enterprise Communications Broker=pcz3.2
Oracle Enterprise Communications Broker=pcz3.3
Oracle Enterprise Manager Base Platform=13.3.0.0
Oracle Enterprise Manager Base Platform=13.4.0.0
Oracle Enterprise Manager For Storage Management=13.4.0.0
Oracle Enterprise Manager Ops Center=12.4.0.0
Oracle Enterprise Session Border Controller=cz8.2
Oracle Enterprise Session Border Controller=cz8.3
Oracle Enterprise Session Border Controller=cz8.4
Oracle Essbase=21.2
Oracle GraalVM=19.3.4
Oracle GraalVM=20.3.0
Oracle HTTP Server=12.2.1.4.0
Oracle Jd Edwards Enterpriseone Tools<9.2.5.3
Oracle Jd Edwards World Security=a9.4
Oracle MySQL<=8.0.22
Oracle Mysql Server<=5.7.32
Oracle Mysql Server>=8.0.15<=8.0.22
Oracle PeopleSoft Enterprise PeopleTools=8.56
Oracle PeopleSoft Enterprise PeopleTools=8.57
Oracle PeopleSoft Enterprise PeopleTools=8.58
Netapp Active Iq Unified Manager Vmware Vsphere
Netapp Active Iq Unified Manager Windows
Netapp Clustered Data Ontap Antivirus Connector
Netapp Data Ontap 7-mode
NetApp E-Series SANtricity OS Controller>=11.0.0<=11.60.3
Netapp Hci Management Node
Netapp Manageability Software Development Kit
NetApp OnCommand Insight
NetApp OnCommand Workflow Automation
Netapp Plug-in For Symantec Netbackup
Netapp Santricity Smi-s Provider
Netapp Snapcenter
Netapp Solidfire
Netapp Hci Compute Node
Netapp Hci Storage Node
Netapp Ef600a Firmware
Netapp Ef600a
Netapp Aff A250 Firmware
Netapp Aff A250
Tenable Log Correlation Engine<6.0.9
Tenable Nessus Network Monitor<5.13.1
Siemens Sinec Infrastructure Network Services<1.0.1.1
Nodejs Node.js>=10.0.0<=10.12.0
Nodejs Node.js>=10.13.0<10.23.1
Nodejs Node.js>=12.0.0<=12.12.0
Nodejs Node.js>=12.13.0<12.20.1
Nodejs Node.js>=14.0.0<=14.14.0
Nodejs Node.js>=14.15.0<14.15.4
Nodejs Node.js>=15.0.0<15.5.0

Remedy

https://git.openssl.org/gitweb/?p=openssl.git;a=commitdiff;h=f960d81215ebf3f65e03d4d5d857fb9b666d6920

Remedy

https://www.oracle.com//security-alerts/cpujul2021.html

Remedy

https://www.oracle.com/security-alerts/cpuApr2021.html

Remedy

https://www.oracle.com/security-alerts/cpuapr2022.html

Remedy

Applications not using the GENERAL_NAME_cmp of openssl are not vulnerable to this flaw. Even when this function is used, if the attacker can control both the arguments of this function, only then the attacker could trigger a crash.

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