CVE-2023-40660

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Adem\u00e1s, el token puede rastrear internamente el estado de inicio de sesi\u00f3n. Esta falla permite que un atacante obtenga acceso no autorizado, lleve a cabo acciones maliciosas o comprometa el sistema sin que el usuario se de cuenta."}], "id": "CVE-2023-40660", "lastModified": "2026-11-06T21:17:01.757", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "PHYSICAL", "availabilityImpact": "HIGH", "baseScore": 6.6, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:P/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 0.7, "impactScore": 5.9, "source": "secalert@redhat.com", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "PHYSICAL", "availabilityImpact": "HIGH", "baseScore": 6.6, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:P/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 0.7, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2023-40660", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2023-12-19T17:10:37.558723Z", "version": "2.0.3"}}]}, "published": "2023-11-06T17:15:11.757", "references": [{"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2023:7876"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2023:7879"}, {"source": "secalert@redhat.com", "tags": ["Third Party Advisory"], "url": "https://access.redhat.com/security/cve/CVE-2023-40660"}, {"source": "secalert@redhat.com", "tags": ["Issue Tracking"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2240912"}, {"source": "secalert@redhat.com", "tags": ["Issue Tracking"], "url": "https://github.com/OpenSC/OpenSC/issues/2792#issuecomment-1674806651"}, {"source": "secalert@redhat.com", "tags": ["Release Notes"], "url": "https://github.com/OpenSC/OpenSC/releases/tag/0.24.0-rc1"}, {"source": "secalert@redhat.com", "tags": ["Vendor Advisory"], "url": "https://github.com/OpenSC/OpenSC/wiki/OpenSC-security-advisories"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.openwall.com/lists/oss-security/2023/12/13/2"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://access.redhat.com/errata/RHSA-2023:7876"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://access.redhat.com/errata/RHSA-2023:7879"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://access.redhat.com/security/cve/CVE-2023-40660"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Issue Tracking"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2240912"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Issue Tracking"], "url": "https://github.com/OpenSC/OpenSC/issues/2792#issuecomment-1674806651"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Release Notes"], "url": "https://github.com/OpenSC/OpenSC/releases/tag/0.24.0-rc1"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://github.com/OpenSC/OpenSC/wiki/OpenSC-security-advisories"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.debian.org/debian-lts-announce/2023/11/msg00024.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.debian.org/debian-lts-announce/2024/12/msg00026.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/3CPQOMCDWFRBMEFR5VK4N5MMXXU42ODE/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/GLYEFIBBA37TK3UNMZN5NOJ7IWCIXLQP/"}], "sourceIdentifier": "secalert@redhat.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-287"}], "source": "secalert@redhat.com", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-287"}], "source": "nvd@nist.gov", "type": "Secondary"}]}

{"acknowledgement": "Upstream acknowledges Deepanjan Pal (Oracle Corporation) as the original reporter.", "affected_release": [{"advisory": "RHSA-2023:7876", "cpe": "cpe:/o:redhat:enterprise_linux:8", "package": "opensc-0:0.20.0-7.el8_9", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2023-12-19T00:00:00Z"}, {"advisory": "RHSA-2023:7879", "cpe": "cpe:/o:redhat:enterprise_linux:9", "package": "opensc-0:0.23.0-3.el9_3", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2023-12-19T00:00:00Z"}], "bugzilla": {"description": "OpenSC: Potential PIN bypass when card tracks its own login state", "id": "2240912", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2240912"}, "csaw": false, "cvss3": {"cvss3_base_score": "6.6", "cvss3_scoring_vector": "CVSS:3.1/AV:P/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "status": "verified"}, "cwe": "CWE-287", "details": ["A flaw was found in OpenSC packages that allow a potential PIN bypass. When a token/card is authenticated by one process, it can perform cryptographic operations in other processes when an empty zero-length pin is passed. This issue poses a security risk, particularly for OS logon/screen unlock and for small, permanently connected tokens to computers. Additionally, the token can internally track login status. This flaw allows an attacker to gain unauthorized access, carry out malicious actions, or compromise the system without the user's awareness.", "A flaw was found in OpenSC packages that allow a potential PIN bypass. When a token/card is authenticated by one process, it can perform cryptographic operations in other processes when an empty zero-length pin is passed. This issue poses a security risk, particularly for OS logon/screen unlock and for small, permanently connected tokens to computers. Additionally, the token can internally track login status. This flaw allows an attacker to gain unauthorized access, carry out malicious actions, or compromise the system without the user's awareness."], "name": "CVE-2023-40660", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "package_name": "opensc", "product_name": "Red Hat Enterprise Linux 7"}], "public_date": "2023-09-25T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2023-40660\nhttps://nvd.nist.gov/vuln/detail/CVE-2023-40660\nhttps://github.com/OpenSC/OpenSC/issues/2792#issuecomment-1674806651\nhttps://github.com/OpenSC/OpenSC/releases/tag/0.24.0-rc1\nhttps://github.com/OpenSC/OpenSC/wiki/OpenSC-security-advisories"], "threat_severity": "Moderate"}

{}