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{"acknowledgement": "Upstream acknowledges OpenSSL project (Polar Bear) as the original reporter.", "affected_release": [{"advisory": "RHSA-2022:7288", "cpe": "cpe:/a:redhat:enterprise_linux:9", "package": "openssl-1:3.0.1-43.el9_0", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2022-11-01T00:00:00Z"}, {"advisory": "RHSA-2022:7384", "cpe": "cpe:/a:redhat:enterprise_linux:9", "package": "rhel9/openssl:9.0-25", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2022-11-02T00:00:00Z"}, {"advisory": "RHSA-2022:7384", "cpe": "cpe:/a:redhat:enterprise_linux:9", "package": "ubi9/openssl:9.0-25", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2022-11-02T00:00:00Z"}, {"advisory": "RHSA-2022:7288", "cpe": "cpe:/o:redhat:enterprise_linux:9", "package": "openssl-1:3.0.1-43.el9_0", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2022-11-01T00:00:00Z"}], "bugzilla": {"description": "OpenSSL: X.509 Email Address Variable Length Buffer Overflow", "id": "2139104", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2139104"}, "csaw": true, "cvss3": {"cvss3_base_score": "7.5", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "status": "verified"}, "cwe": "CWE-119->CWE-121->CWE-193", "details": ["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 a malicious certificate or for an application to continue certificate verification despite failure to construct a path to a trusted issuer. An attacker can craft a malicious email address in a certificate to overflow an arbitrary number of bytes containing the `.' character (decimal 46) on the stack. This buffer overflow could result in a crash (causing a denial of service). 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.", "A stack-based buffer overflow was found in the way OpenSSL processes X.509 certificates with a specially crafted email address field. This issue could cause a server or a client application compiled with OpenSSL to crash or possibly execute remote code when trying to process the malicious certificate."], "name": "CVE-2022-3786", "package_state": [{"cpe": "cpe:/a:redhat:logging:5", "fix_state": "Under investigation", "package_name": "openshift-logging/fluentd-rhel8", "product_name": "Logging Subsystem for Red Hat OpenShift"}, {"cpe": "cpe:/a:redhat:acm:2", "fix_state": "Not affected", "package_name": "rhacm2/management-ingress-rhel8", "product_name": "Red Hat Advanced Cluster Management for Kubernetes 2"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "openssl", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "openssl098e", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "openssl", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "openssl098e", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "ovmf", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "compat-openssl10", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "edk2", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "openssl", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "shim", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "compat-openssl11", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "edk2", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "shim", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/a:redhat:jboss_core_services:1", "fix_state": "Not affected", "package_name": "jbcs-httpd24-openssl", "product_name": "Red Hat JBoss Core Services"}, {"cpe": "cpe:/a:redhat:jboss_core_services:1", "fix_state": "Not affected", "package_name": "openssl", "product_name": "Red Hat JBoss Core Services"}, {"cpe": "cpe:/a:redhat:jboss_enterprise_application_platform:6", "fix_state": "Not affected", "package_name": "openssl", "product_name": "Red Hat JBoss Enterprise Application Platform 6"}, {"cpe": "cpe:/a:redhat:jboss_enterprise_web_server:3", "fix_state": "Not affected", "package_name": "openssl", "product_name": "Red Hat JBoss Web Server 3"}, {"cpe": "cpe:/a:redhat:jboss_enterprise_web_server:5", "fix_state": "Not affected", "package_name": "openssl", "product_name": "Red Hat JBoss Web Server 5"}, {"cpe": "cpe:/o:redhat:rhev_hypervisor:4", "fix_state": "Not affected", "package_name": "redhat-virtualization-host", "product_name": "Red Hat Virtualization 4"}], "public_date": "2022-11-01T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2022-3786\nhttps://nvd.nist.gov/vuln/detail/CVE-2022-3786\nhttps://www.openssl.org/blog/blog/2022/11/01/email-address-overflows/\nhttps://www.openssl.org/news/secadv/20221101.txt"], "statement": "As per upstream, the most common situation where this can be triggered is when a server requests client authentication after a malicious client connects. A client connecting to a malicious server is also believed to be vulnerable in the same manner. Only OpenSSL versions 3.0.0 to 3.0.6 are vulnerable to this attack.", "threat_severity": "Important"}