CVE-2020-15720

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{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "cve@mitre.org"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:dogtagpki:dogtagpki:*:*:*:*:*:*:*:*", "matchCriteriaId": "5287DE9F-F5F5-49E5-A1DF-CEED5D0255FA", "versionEndIncluding": "10.8.3", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In Dogtag PKI through 10.8.3, the pki.client.PKIConnection class did not enable python-requests certificate validation. Since the verify parameter was hard-coded in all request functions, it was not possible to override the setting. As a result, tools making use of this class, such as the pki-server command, may have been vulnerable to Person-in-the-Middle attacks in certain non-localhost use cases. This is fixed in 10.9.0-b1."}, {"lang": "es", "value": "En Dogtag PKI versiones hasta 10.8.3, la clase pki.client.PKIConnection no habilit\u00f3 la comprobaci\u00f3n de certificados de peticiones de python. Como el par\u00e1metro de verificaci\u00f3n estaba embebido en todas las funciones de petici\u00f3n, no fue posible anular la configuraci\u00f3n. Como resultado, las herramientas que utilizan esta clase, tal y como el comando pki-server, pueden haber sido vulnerables a ataques de tipo Person-in-the-Middle en determinados casos de uso de un no localhost. Esto es corregido en la versi\u00f3n 10.9.0-b1"}], "id": "CVE-2020-15720", "lastModified": "2026-06-17T02:57:07.273", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "HIGH", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "NONE", "baseScore": 4.0, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:H/Au:N/C:P/I:P/A:N", "version": "2.0"}, "exploitabilityScore": 4.9, "impactScore": 4.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": true}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 6.8, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N", "version": "3.1"}, "exploitabilityScore": 1.6, "impactScore": 5.2, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2020-07-14T14:15:17.713", "references": [{"source": "cve@mitre.org", "tags": ["Issue Tracking", "Patch", "Third Party Advisory"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1855273"}, {"source": "cve@mitre.org", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/dogtagpki/pki/commit/50c23ec146ee9abf28c9de87a5f7787d495f0b72"}, {"source": "cve@mitre.org", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/dogtagpki/pki/compare/v10.9.0-a2...v10.9.0-b1"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Issue Tracking", "Patch", "Third Party Advisory"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1855273"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/dogtagpki/pki/commit/50c23ec146ee9abf28c9de87a5f7787d495f0b72"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/dogtagpki/pki/compare/v10.9.0-a2...v10.9.0-b1"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-295"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"acknowledgement": "Red Hat would like to thank Christian Heimes for reporting this issue.", "affected_release": [{"advisory": "RHSA-2020:4847", "cpe": "cpe:/a:redhat:enterprise_linux:8", "package": "pki-core:10.6-8030020200911215836.5ff1562f", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2020-11-04T00:00:00Z"}, {"advisory": "RHSA-2020:4847", "cpe": "cpe:/a:redhat:enterprise_linux:8", "package": "pki-deps:10.6-8030020200527165326.30b713e6", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2020-11-04T00:00:00Z"}], "bugzilla": {"description": "pki: Dogtag's python client does not validate certificates", "id": "1855273", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1855273"}, "csaw": false, "cvss3": {"cvss3_base_score": "6.8", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N", "status": "verified"}, "cwe": "CWE-295", "details": ["In Dogtag PKI through 10.8.3, the pki.client.PKIConnection class did not enable python-requests certificate validation. Since the verify parameter was hard-coded in all request functions, it was not possible to override the setting. As a result, tools making use of this class, such as the pki-server command, may have been vulnerable to Person-in-the-Middle attacks in certain non-localhost use cases. This is fixed in 10.9.0-b1.", "A flaw was found in PKI, where the dogtag's pki.client.PKIConnection class disables the python-requests certificate validation. This flaw allows an attacker to intercept a connection between a FreeIPA client and a server, and execute an active Man-in-the-Middle attack. The highest threat from this vulnerability is to confidentiality and integrity."], "name": "CVE-2020-15720", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "package_name": "pki-core", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Will not fix", "package_name": "pki-core", "product_name": "Red Hat Enterprise Linux 7"}], "public_date": "2020-06-23T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2020-15720\nhttps://nvd.nist.gov/vuln/detail/CVE-2020-15720"], "statement": "In PKI, the pki.client.PKIConnection python class is used by the `pki-server` and `pkispawn` commands. `pki-server` runs locally on the server, thus not subject to a Person in the Middle attack. `pkispawn` may access remote node in decentralized or cloned contexts.\nIdentity Management (IPA) command line interface (the vault related sub-commands) may call pki.client.PKIConnection().", "threat_severity": "Moderate"}

{}