CVE Vulnerability

CVE-2021-3450

The X509_V_FLAG_X509_STRICT flag enables additional security checks of the certificates present in a certificate chain. It is not set by default. Starting from OpenSSL version 1.1.1h a check to disallow certificates in the chain that have explicitly encoded elliptic curve parameters was added as an additional strict check. An error in the implementation of this check meant that the result of a previous check to confirm that certificates in the chain are valid CA certificates was overwritten. This effectively bypasses the check that non-CA certificates must not be able to issue other certificates. If a "purpose" has been configured then there is a subsequent opportunity for checks that the certificate is a valid CA. All of the named "purpose" values implemented in libcrypto perform this check. Therefore, where a purpose is set the certificate chain will still be rejected even when the strict flag has been used. A purpose is set by default in libssl client and server certificate verification routines, but it can be overridden or removed by an application. In order to be affected, an application must explicitly set the X509_V_FLAG_X509_STRICT verification flag and either not set a purpose for the certificate verification or, in the case of TLS client or server applications, override the default purpose. OpenSSL versions 1.1.1h and newer are affected by this issue. Users of these versions should upgrade to OpenSSL 1.1.1k. OpenSSL 1.0.2 is not impacted by this issue. Fixed in OpenSSL 1.1.1k (Affected 1.1.1h-1.1.1j).

5.8 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 8.6 / Impact : 4.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact NONE

Scope

7.4 /10

CVSS v3.0 : HIGH

V3 Legend

Vector :

Exploitability : 2.2 / Impact : 5.2

Attack Vector NETWORK

Attack Complexity HIGH

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact NONE

Scope UNCHANGED

References
Link Resource
https://git.openssl.org/gitweb/?p=openssl.git;a=commitdiff;h=2a40b7bc7b94dd7de897a74571e7024f0cf0d63b Mailing List Patch
https://www.openssl.org/news/secadv/20210325.txt Vendor Advisory
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-openssl-2021-GHY28dJd Third Party Advisory
https://security.netapp.com/advisory/ntap-20210326-0006/ Third Party Advisory
https://security.FreeBSD.org/advisories/FreeBSD-SA-21:07.openssl.asc Third Party Advisory
http://www.openwall.com/lists/oss-security/2021/03/27/1 Mailing List Third Party Advisory
http://www.openwall.com/lists/oss-security/2021/03/27/2 Mailing List Third Party Advisory
http://www.openwall.com/lists/oss-security/2021/03/28/3 Mailing List Third Party Advisory
http://www.openwall.com/lists/oss-security/2021/03/28/4 Mailing List Third Party Advisory
https://security.gentoo.org/glsa/202103-03 Third Party Advisory
https://www.tenable.com/security/tns-2021-05 Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/CCBFLLVQVILIVGZMBJL3IXZGKWQISYNP/ Third Party Advisory
https://www.tenable.com/security/tns-2021-08 Third Party Advisory
https://kc.mcafee.com/corporate/index?page=content&id=SB10356 Third Party Advisory
https://mta.openssl.org/pipermail/openssl-announce/2021-March/000198.html Mailing List Vendor Advisory
https://www.tenable.com/security/tns-2021-09 Third Party Advisory
https://www.oracle.com/security-alerts/cpuApr2021.html Patch Third Party Advisory
https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA44845 Third Party Advisory
https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2021-0013 Third Party Advisory
https://www.oracle.com//security-alerts/cpujul2021.html Third Party Advisory
https://www.oracle.com/security-alerts/cpuoct2021.html Third Party Advisory
https://cert-portal.siemens.com/productcert/pdf/ssa-389290.pdf Third Party Advisory
https://www.oracle.com/security-alerts/cpuapr2022.html Third Party Advisory
https://www.oracle.com/security-alerts/cpujul2022.html
Configurations

Configuration 1

cpe:2.3:a:openssl:openssl:*:*:*:*:*:*:*:*
cpe:2.3:o:freebsd:freebsd:12.2:p1:*:*:*:*:*:*
cpe:2.3:o:freebsd:freebsd:12.2:p2:*:*:*:*:*:*
cpe:2.3:o:freebsd:freebsd:12.2:-:*:*:*:*:*:*
cpe:2.3:o:windriver:linux:-:*:*:*:cd:*:*:*
cpe:2.3:o:windriver:linux:18.0:*:*:*:lts:*:*:*
cpe:2.3:o:windriver:linux:19.0:*:*:*:lts:*:*:*
cpe:2.3:o:windriver:linux:17.0:*:*:*:lts:*:*:*
cpe:2.3:a:netapp:oncommand_workflow_automation:-:*:*:*:*:*:*:*
cpe:2.3:a:netapp:storagegrid:-:*:*:*:*:*:*:*
cpe:2.3:a:netapp:ontap_select_deploy_administration_utility:-:*:*:*:*:*:*:*
cpe:2.3:a:netapp:cloud_volumes_ontap_mediator:-:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*
cpe:2.3:a:tenable:nessus_agent:*:*:*:*:*:*:*:*
cpe:2.3:a:tenable:nessus:*:*:*:*:*:*:*:*
cpe:2.3:a:tenable:nessus_network_monitor:5.11.1:*:*:*:*:*:*:*
cpe:2.3:a:tenable:nessus_network_monitor:5.12.0:*:*:*:*:*:*:*
cpe:2.3:a:tenable:nessus_network_monitor:5.12.1:*:*:*:*:*:*:*
cpe:2.3:a:tenable:nessus_network_monitor:5.13.0:*:*:*:*:*:*:*
cpe:2.3:a:tenable:nessus_network_monitor:5.11.0:*:*:*:*:*:*:*
cpe:2.3:a:oracle:jd_edwards_world_security:a9.4:*:*:*:*:*:*:*
cpe:2.3:a:oracle:enterprise_manager_for_storage_management:13.4.0.0:*:*:*:*:*:*:*
cpe:2.3:a:oracle:secure_global_desktop:5.6:*:*:*:*:*:*:*
cpe:2.3:a:oracle:graalvm:20.3.1.2:*:*:*:enterprise:*:*:*
cpe:2.3:a:oracle:graalvm:21.0.0.2:*:*:*:enterprise:*:*:*
cpe:2.3:a:oracle:graalvm:19.3.5:*:*:*:enterprise:*:*:*
cpe:2.3:a:oracle:mysql_server:*:*:*:*:*:*:*:*
cpe:2.3:a:oracle:mysql_server:*:*:*:*:*:*:*:*
cpe:2.3:a:oracle:mysql_workbench:*:*:*:*:*:*:*:*
cpe:2.3:a:oracle:mysql_connectors:*:*:*:*:*:*:*:*
cpe:2.3:a:oracle:jd_edwards_enterpriseone_tools:*:*:*:*:*:*:*:*
cpe:2.3:a:oracle:mysql_enterprise_monitor:*:*:*:*:*:*:*:*
cpe:2.3:a:oracle:secure_backup:*:*:*:*:*:*:*:*
cpe:2.3:a:oracle:peoplesoft_enterprise_peopletools:*:*:*:*:*:*:*:*
cpe:2.3:a:mcafee:web_gateway_cloud_service:10.1.1:*:*:*:*:*:*:*
cpe:2.3:a:mcafee:web_gateway_cloud_service:9.2.10:*:*:*:*:*:*:*
cpe:2.3:a:mcafee:web_gateway_cloud_service:8.2.19:*:*:*:*:*:*:*
cpe:2.3:a:mcafee:web_gateway:10.1.1:*:*:*:*:*:*:*
cpe:2.3:a:mcafee:web_gateway:9.2.10:*:*:*:*:*:*:*
cpe:2.3:a:mcafee:web_gateway:8.2.19:*:*:*:*:*:*:*
cpe:2.3:o:sonicwall:sonicos:*:*:*:*:*:*:*:*
cpe:2.3:a:sonicwall:email_security:*:*:*:*:*:*:*:*
cpe:2.3:a:sonicwall:capture_client:*:*:*:*:*:*:*:*
Information

Published : 2021-03-25 03:15

Updated : 2022-07-25 06:16

NVD link : CVE-2021-3450

Mitre link : CVE-2021-3450

Products Affected

Nessus Network Monitor

Tenable

CWE
CWE-295

Improper Certificate Validation