high
7.5
CWE
476
Advisory Published
CVE Published
CVE Published
Updated

CVE-2020-1971: EDIPARTYNAME 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 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
redhat/openssl<1.1.1
1.1.1
debian/openssl
1.1.1w-0+deb11u1
1.1.1w-0+deb11u2
3.0.15-1~deb12u1
3.0.14-1~deb12u2
3.4.1-1
IBM Security Verify Bridge<=All
OpenSSL>=1.0.2<1.0.2x
OpenSSL>=1.1.1<1.1.1i
Debian=9.0
Debian=10.0
Fedora=32
Fedora=33
Oracle API Gateway=11.1.2.4.0
Oracle Business Intelligence Enterprise Edition=5.5.0.0.0
Oracle Business Intelligence Enterprise Edition=5.9.0.0.0
Oracle Business Intelligence Enterprise Edition=12.2.1.3.0
Oracle Business Intelligence Enterprise Edition=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=13.3.0.0
Oracle Enterprise Manager=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 Hyperion Essbase=21.2
Oracle GraalVM Enterprise Edition=19.3.4
Oracle GraalVM Enterprise Edition=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<=5.7.32
Oracle MySQL>=8.0.15<=8.0.22
Oracle Peoplesoft Enterprise Campus Software Campus Community=8.56
Oracle Peoplesoft Enterprise Campus Software Campus Community=8.57
Oracle Peoplesoft Enterprise Campus Software Campus Community=8.58
NetApp Active IQ Unified Manager for VMware vSphere
NetApp Active IQ Unified Manager
NetApp ONTAP Antivirus Connector
IBM Data ONTAP
NetApp E-Series SANtricity OS Controller>=11.0.0<=11.60.3
NetApp SolidFire & HCI Management Node
NetApp Manageability SDK
NetApp OnCommand Insight
NetApp OnCommand Workflow Automation
NetApp Plug-in for Symantec NetBackup
NetApp SANtricity SMI-S Provider Firmware
NetApp SnapCenter
NetApp SolidFire & HCI Storage Node
NetApp HCI Compute Node
NetApp SolidFire & HCI Storage Node
All of
NetApp EF600A
NetApp EF600A Firmware
All of
NetApp A250 Firmware
NetApp A250 Firmware
Tenable Log Correlation Engine<6.0.9
Tenable Nessus<5.13.1
Siemens SINEC Infrastructure Network Services<1.0.1.1
Node.js>=10.0.0<=10.12.0
Node.js>=10.13.0<10.23.1
Node.js>=12.0.0<=12.12.0
Node.js>=12.13.0<12.20.1
Node.js>=14.0.0<=14.14.0
Node.js>=14.15.0<14.15.4
Node.js>=15.0.0<15.5.0
NetApp EF600A
NetApp EF600A Firmware
NetApp A250 Firmware
NetApp A250 Firmware

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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Reference Links

Parent vulnerabilities

(Appears in the following advisories)

Frequently Asked Questions

  • What is the severity of CVE-2020-1971?

    CVE-2020-1971 has been classified as a medium severity vulnerability, primarily impacting systems that utilize OpenSSL.

  • How do I fix CVE-2020-1971?

    To fix CVE-2020-1971, update to the versions specified in the respective patches or releases provided by your software vendor.

  • Who is affected by CVE-2020-1971?

    CVE-2020-1971 affects applications that use the OpenSSL library, particularly those built with specific versions noted in security advisories.

  • What type of vulnerability is CVE-2020-1971?

    CVE-2020-1971 is a null pointer dereference vulnerability that can lead to a denial of service when exploited by an attacker.

  • What impact does CVE-2020-1971 have on systems?

    The impact of CVE-2020-1971 is the potential for a remote attacker to cause a crash of the application, resulting in downtime.

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