CVE-2022-3602

A buffer overrun can be triggered in X.509 certificate verification, specifically in name constraint checking. Note that this occurs after certificate chain signature verification and requires either a CA to have signed the malicious certificate or for the application to continue certificate verification despite failure to construct a path to a trusted issuer. An attacker can craft a malicious email address to overflow four attacker-controlled bytes on the stack. This buffer overflow could result in a crash (causing a denial of service) or potentially remote code execution. Many platforms implement stack overflow protections which would mitigate against the risk of remote code execution. The risk may be further mitigated based on stack layout for any given platform/compiler. Pre-announcements of CVE-2022-3602 described this issue as CRITICAL. Further analysis based on some of the mitigating factors described above have led this to be downgraded to HIGH. Users are still encouraged to upgrade to a new version as soon as possible. In a TLS client, this can be triggered by connecting to a malicious server. In a TLS server, this can be triggered if the server requests client authentication and a malicious client connects. Fixed in OpenSSL 3.0.7 (Affected 3.0.0,3.0.1,3.0.2,3.0.3,3.0.4,3.0.5,3.0.6).

• CWE-787
• CWE-787

• http://packetstormsecurity.com/files/169687/OpenSSL-Security-Advisory-20221101.htmlThird Party Advisory, VDB Entry
• http://www.openwall.com/lists/oss-security/2022/11/01/15Mailing List, Third Party Advisory
• http://www.openwall.com/lists/oss-security/2022/11/01/16Mailing List, Third Party Advisory
• http://www.openwall.com/lists/oss-security/2022/11/01/17Mailing List, Third Party Advisory
• http://www.openwall.com/lists/oss-security/2022/11/01/18Mailing List, Third Party Advisory
• http://www.openwall.com/lists/oss-security/2022/11/01/19Mailing List, Third Party Advisory
• http://www.openwall.com/lists/oss-security/2022/11/01/20Mailing List, Third Party Advisory
• http://www.openwall.com/lists/oss-security/2022/11/01/21Mailing List, Third Party Advisory
• http://www.openwall.com/lists/oss-security/2022/11/01/24Mailing List, Third Party Advisory
• http://www.openwall.com/lists/oss-security/2022/11/02/1Mailing List, Third Party Advisory
• http://www.openwall.com/lists/oss-security/2022/11/02/10Mailing List, Third Party Advisory
• http://www.openwall.com/lists/oss-security/2022/11/02/11Mailing List, Third Party Advisory
• http://www.openwall.com/lists/oss-security/2022/11/02/12Mailing List, Third Party Advisory
• http://www.openwall.com/lists/oss-security/2022/11/02/13Mailing List, Third Party Advisory
• http://www.openwall.com/lists/oss-security/2022/11/02/14Mailing List, Third Party Advisory
• http://www.openwall.com/lists/oss-security/2022/11/02/15Mailing List, Third Party Advisory
• http://www.openwall.com/lists/oss-security/2022/11/02/2Mailing List, Third Party Advisory
• http://www.openwall.com/lists/oss-security/2022/11/02/3Mailing List, Third Party Advisory
• http://www.openwall.com/lists/oss-security/2022/11/02/5Mailing List, Third Party Advisory
• http://www.openwall.com/lists/oss-security/2022/11/02/6Mailing List, Third Party Advisory
• http://www.openwall.com/lists/oss-security/2022/11/02/7Mailing List, Third Party Advisory
• http://www.openwall.com/lists/oss-security/2022/11/02/9Mailing List, Third Party Advisory
• http://www.openwall.com/lists/oss-security/2022/11/03/1Mailing List, Third Party Advisory
• http://www.openwall.com/lists/oss-security/2022/11/03/10Mailing List, Third Party Advisory
• http://www.openwall.com/lists/oss-security/2022/11/03/11Mailing List, Third Party Advisory
• http://www.openwall.com/lists/oss-security/2022/11/03/2Mailing List, Third Party Advisory
• http://www.openwall.com/lists/oss-security/2022/11/03/3Mailing List, Third Party Advisory
• http://www.openwall.com/lists/oss-security/2022/11/03/5Mailing List, Third Party Advisory
• http://www.openwall.com/lists/oss-security/2022/11/03/6Mailing List, Third Party Advisory
• http://www.openwall.com/lists/oss-security/2022/11/03/7Mailing List, Third Party Advisory
• http://www.openwall.com/lists/oss-security/2022/11/03/9Mailing List, Third Party Advisory
• https://git.openssl.org/gitweb/?p=openssl.git%3Ba=commitdiff%3Bh=fe3b639dc19b325846f4f6801f2f4604f56e3de3Broken Link, Third Party Advisory
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/63YRPWPUSX3MBHNPIEJZDKQT6YA7UF6S/Mailing List, Third Party Advisory
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DWP23EZYOBDJQP7HP4YU7W2ABU2YDITS/Mailing List, Third Party Advisory
• https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2022-0023Third Party Advisory
• https://security.gentoo.org/glsa/202211-01Issue Tracking, Third Party Advisory
• https://security.netapp.com/advisory/ntap-20221102-0001/Third Party Advisory
• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-openssl-W9sdCc2aThird Party Advisory
• https://www.kb.cert.org/vuls/id/794340Third Party Advisory, US Government Resource
• https://www.openssl.org/news/secadv/20221101.txtVendor Advisory
• http://packetstormsecurity.com/files/169687/OpenSSL-Security-Advisory-20221101.htmlThird Party Advisory, VDB Entry
• http://www.openwall.com/lists/oss-security/2022/11/01/15Mailing List, Third Party Advisory
• http://www.openwall.com/lists/oss-security/2022/11/01/16Mailing List, Third Party Advisory
• http://www.openwall.com/lists/oss-security/2022/11/01/17Mailing List, Third Party Advisory
• http://www.openwall.com/lists/oss-security/2022/11/01/18Mailing List, Third Party Advisory
• http://www.openwall.com/lists/oss-security/2022/11/01/19Mailing List, Third Party Advisory
• http://www.openwall.com/lists/oss-security/2022/11/01/20Mailing List, Third Party Advisory
• http://www.openwall.com/lists/oss-security/2022/11/01/21Mailing List, Third Party Advisory
• http://www.openwall.com/lists/oss-security/2022/11/01/24Mailing List, Third Party Advisory
• http://www.openwall.com/lists/oss-security/2022/11/02/1Mailing List, Third Party Advisory
• http://www.openwall.com/lists/oss-security/2022/11/02/10Mailing List, Third Party Advisory
• http://www.openwall.com/lists/oss-security/2022/11/02/11Mailing List, Third Party Advisory
• http://www.openwall.com/lists/oss-security/2022/11/02/12Mailing List, Third Party Advisory
• http://www.openwall.com/lists/oss-security/2022/11/02/13Mailing List, Third Party Advisory
• http://www.openwall.com/lists/oss-security/2022/11/02/14Mailing List, Third Party Advisory
• http://www.openwall.com/lists/oss-security/2022/11/02/15Mailing List, Third Party Advisory
• http://www.openwall.com/lists/oss-security/2022/11/02/2Mailing List, Third Party Advisory
• http://www.openwall.com/lists/oss-security/2022/11/02/3Mailing List, Third Party Advisory
• http://www.openwall.com/lists/oss-security/2022/11/02/5Mailing List, Third Party Advisory
• http://www.openwall.com/lists/oss-security/2022/11/02/6Mailing List, Third Party Advisory
• http://www.openwall.com/lists/oss-security/2022/11/02/7Mailing List, Third Party Advisory
• http://www.openwall.com/lists/oss-security/2022/11/02/9Mailing List, Third Party Advisory
• http://www.openwall.com/lists/oss-security/2022/11/03/1Mailing List, Third Party Advisory
• http://www.openwall.com/lists/oss-security/2022/11/03/10Mailing List, Third Party Advisory
• http://www.openwall.com/lists/oss-security/2022/11/03/11Mailing List, Third Party Advisory
• http://www.openwall.com/lists/oss-security/2022/11/03/2Mailing List, Third Party Advisory
• http://www.openwall.com/lists/oss-security/2022/11/03/3Mailing List, Third Party Advisory
• http://www.openwall.com/lists/oss-security/2022/11/03/5Mailing List, Third Party Advisory
• http://www.openwall.com/lists/oss-security/2022/11/03/6Mailing List, Third Party Advisory
• http://www.openwall.com/lists/oss-security/2022/11/03/7Mailing List, Third Party Advisory
• http://www.openwall.com/lists/oss-security/2022/11/03/9Mailing List, Third Party Advisory
• https://git.openssl.org/gitweb/?p=openssl.git%3Ba=commitdiff%3Bh=fe3b639dc19b325846f4f6801f2f4604f56e3de3Broken Link, Third Party Advisory
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/63YRPWPUSX3MBHNPIEJZDKQT6YA7UF6S/Mailing List, Third Party Advisory
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DWP23EZYOBDJQP7HP4YU7W2ABU2YDITS/Mailing List, Third Party Advisory
• https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2022-0023Third Party Advisory
• https://security.gentoo.org/glsa/202211-01Issue Tracking, Third Party Advisory
• https://security.netapp.com/advisory/ntap-20221102-0001/Third Party Advisory
• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-openssl-W9sdCc2aThird Party Advisory
• https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00789.html
• https://www.kb.cert.org/vuls/id/794340Third Party Advisory, US Government Resource
• https://www.openssl.org/news/secadv/20221101.txtVendor Advisory
• https://cert-portal.siemens.com/productcert/html/ssa-408105.html

Published

Nov 1, 2022

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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