CVE-2020-12420

{"id": "CVE-2020-12420", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 9.3, "accessVector": "NETWORK", "vectorString": "AV:N/AC:M/Au:N/C:C/I:C/A:C", "authentication": "NONE", "integrityImpact": "COMPLETE", "accessComplexity": "MEDIUM", "availabilityImpact": "COMPLETE", "confidentialityImpact": "COMPLETE"}, "acInsufInfo": false, "impactScore": 10.0, "baseSeverity": "HIGH", "obtainAllPrivilege": false, "exploitabilityScore": 8.6, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": true}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 8.8, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 2.8}]}, "published": "2020-07-09T15:15:11.973", "references": [{"url": "http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00023.html", "tags": ["Mailing List", "Third Party Advisory"], "source": "security@mozilla.org"}, {"url": "http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00026.html", "tags": ["Mailing List", "Third Party Advisory"], "source": "security@mozilla.org"}, {"url": "http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00027.html", "tags": ["Mailing List", "Third Party Advisory"], "source": "security@mozilla.org"}, {"url": "http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00049.html", "tags": ["Mailing List", "Third Party Advisory"], "source": "security@mozilla.org"}, {"url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1643437", "tags": ["Exploit", "Issue Tracking", "Vendor Advisory"], "source": "security@mozilla.org"}, {"url": "https://security.gentoo.org/glsa/202007-09", "tags": ["Third Party Advisory"], "source": "security@mozilla.org"}, {"url": "https://security.gentoo.org/glsa/202007-10", "tags": ["Third Party Advisory"], "source": "security@mozilla.org"}, {"url": "https://usn.ubuntu.com/4421-1/", "tags": ["Third Party Advisory"], "source": "security@mozilla.org"}, {"url": "https://www.mozilla.org/security/advisories/mfsa2020-24/", "tags": ["Vendor Advisory"], "source": "security@mozilla.org"}, {"url": "https://www.mozilla.org/security/advisories/mfsa2020-25/", "tags": ["Vendor Advisory"], "source": "security@mozilla.org"}, {"url": "https://www.mozilla.org/security/advisories/mfsa2020-26/", "tags": ["Vendor Advisory"], "source": "security@mozilla.org"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-362"}, {"lang": "en", "value": "CWE-416"}]}], "descriptions": [{"lang": "en", "value": "When trying to connect to a STUN server, a race condition could have caused a use-after-free of a pointer, leading to memory corruption and a potentially exploitable crash. This vulnerability affects Firefox ESR < 68.10, Firefox < 78, and Thunderbird < 68.10.0."}, {"lang": "es", "value": "Al intentar conectarse a un servidor STUN, una condici\u00f3n de carrera podr\u00eda haber causado un uso de la memoria previamente liberada de un puntero, conllevando a una corrupci\u00f3n de la memoria y un bloqueo potencialmente explotable. Esta vulnerabilidad afecta a Firefox ESR versiones anteriores a 68.10, Firefox versiones anteriores a 78 y Thunderbird versiones anteriores a 68.10.0"}], "lastModified": "2022-05-03T13:00:28.233", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "09FA5356-4843-47D3-964C-86A6C3859F3C", "versionEndExcluding": "78.0"}, {"criteria": "cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "EFD35B04-283B-4EF1-9D63-6E023A49DDCA", "versionEndExcluding": "68.10.0"}, {"criteria": "cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "A57C62F6-E2C3-4CDD-8518-EF2DB3DCD4DA", "versionEndExcluding": "68.10.0"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:*", "vulnerable": true, "matchCriteriaId": "7A5301BF-1402-4BE0-A0F8-69FBE79BC6D6"}, {"criteria": "cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*", "vulnerable": true, "matchCriteriaId": "23A7C53F-B80F-4E6A-AFA9-58EEA84BE11D"}, {"criteria": "cpe:2.3:o:canonical:ubuntu_linux:19.10:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "A31C8344-3E02-4EB8-8BD8-4C84B7959624"}, {"criteria": "cpe:2.3:o:canonical:ubuntu_linux:20.04:*:*:*:lts:*:*:*", "vulnerable": true, "matchCriteriaId": "902B8056-9E37-443B-8905-8AA93E2447FB"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "B620311B-34A3-48A6-82DF-6F078D7A4493"}, {"criteria": "cpe:2.3:o:opensuse:leap:15.2:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "B009C22E-30A4-4288-BCF6-C3E81DEAF45A"}], "operator": "OR"}]}], "sourceIdentifier": "security@mozilla.org"}