CVE-2020-6806

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This vulnerability affects Thunderbird < 68.6, Firefox < 74, Firefox < ESR68.6, and Firefox ESR < 68.6."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "BodyStream::OnInputStreamReady was missing protections against state confusion"}]}]}, "references": {"reference_data": [{"name": "https://www.mozilla.org/security/advisories/mfsa2020-08/", "refsource": "MISC", "url": "https://www.mozilla.org/security/advisories/mfsa2020-08/"}, {"name": "https://www.mozilla.org/security/advisories/mfsa2020-10/", "refsource": "MISC", "url": "https://www.mozilla.org/security/advisories/mfsa2020-10/"}, {"name": "https://www.mozilla.org/security/advisories/mfsa2020-09/", "refsource": "MISC", "url": "https://www.mozilla.org/security/advisories/mfsa2020-09/"}, {"name": "https://bugzilla.mozilla.org/show_bug.cgi?id=1612308", "refsource": "MISC", "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1612308"}, {"name": "USN-4328-1", "refsource": "UBUNTU", "url": "https://usn.ubuntu.com/4328-1/"}, {"name": "USN-4335-1", "refsource": "UBUNTU", "url": "https://usn.ubuntu.com/4335-1/"}, {"name": "http://packetstormsecurity.com/files/157524/Firefox-js-ReadableStreamCloseInternal-Out-Of-Bounds-Access.html", "refsource": "MISC", "url": "http://packetstormsecurity.com/files/157524/Firefox-js-ReadableStreamCloseInternal-Out-Of-Bounds-Access.html"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T09:11:05.025Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://www.mozilla.org/security/advisories/mfsa2020-08/"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://www.mozilla.org/security/advisories/mfsa2020-10/"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://www.mozilla.org/security/advisories/mfsa2020-09/"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1612308"}, {"name": "USN-4328-1", "tags": ["vendor-advisory", "x_refsource_UBUNTU", "x_transferred"], "url": "https://usn.ubuntu.com/4328-1/"}, {"name": "USN-4335-1", "tags": ["vendor-advisory", "x_refsource_UBUNTU", "x_transferred"], "url": "https://usn.ubuntu.com/4335-1/"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "http://packetstormsecurity.com/files/157524/Firefox-js-ReadableStreamCloseInternal-Out-Of-Bounds-Access.html"}]}]}, "cveMetadata": {"assignerOrgId": "f16b083a-5664-49f3-a51e-8d479e5ed7fe", "assignerShortName": "mozilla", "cveId": "CVE-2020-6806", "datePublished": "2020-03-25T21:14:05.000Z", "dateReserved": "2020-01-10T00:00:00.000Z", "dateUpdated": "2024-08-04T09:11:05.025Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

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{"affected": [{"affectedData": [{"product": "Thunderbird", "vendor": "Mozilla", "versions": [{"lessThan": "68.6", "status": "affected", "version": "unspecified", "versionType": "custom"}]}, {"product": "Firefox", "vendor": "Mozilla", "versions": [{"lessThan": "74", "status": "affected", "version": "unspecified", "versionType": "custom"}, {"lessThan": "ESR68.6", "status": "affected", "version": "unspecified", "versionType": "custom"}]}, {"product": "Firefox ESR", "vendor": "Mozilla", "versions": [{"lessThan": "68.6", "status": "affected", "version": "unspecified", "versionType": "custom"}]}], "source": "security@mozilla.org"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*", "matchCriteriaId": "9AC2847A-B7E3-4002-8236-F908BBF7272A", "versionEndExcluding": "74.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:*", "matchCriteriaId": "871F8DB5-A145-4DE5-8FE1-D6E985405702", "versionEndExcluding": "68.6.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*", "matchCriteriaId": "307B69F7-FC78-4A8A-8395-CEC8AF21C56A", "versionEndExcluding": "68.6.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:*", "matchCriteriaId": "7A5301BF-1402-4BE0-A0F8-69FBE79BC6D6", "vulnerable": true}, {"criteria": "cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*", "matchCriteriaId": "23A7C53F-B80F-4E6A-AFA9-58EEA84BE11D", "vulnerable": true}, {"criteria": "cpe:2.3:o:canonical:ubuntu_linux:19.10:*:*:*:*:*:*:*", "matchCriteriaId": "A31C8344-3E02-4EB8-8BD8-4C84B7959624", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "By carefully crafting promise resolutions, it was possible to cause an out-of-bounds read off the end of an array resized during script execution. This could have led to memory corruption and a potentially exploitable crash. This vulnerability affects Thunderbird < 68.6, Firefox < 74, Firefox < ESR68.6, and Firefox ESR < 68.6."}, {"lang": "es", "value": "Al dise\u00f1ar cuidadosamente las resoluciones de promesas, fue posible causar una lectura fuera de l\u00edmites al final de una matriz redimensionada durante la ejecuci\u00f3n del script. Esto podr\u00eda haber conllevado a da\u00f1os en la memoria y a un bloqueo potencialmente explotable. Esta vulnerabilidad afecta a Thunderbird versiones anteriores a 68.6, Firefox versiones anteriores a 74, Firefox versiones anteriores a ESR68.6 y Firefox ESR versiones anteriores a 68.6."}], "id": "CVE-2020-6806", "lastModified": "2026-06-17T03:23:50.470", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 6.8, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 8.6, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": true}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2020-03-25T22:15:12.373", "references": [{"source": "security@mozilla.org", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://packetstormsecurity.com/files/157524/Firefox-js-ReadableStreamCloseInternal-Out-Of-Bounds-Access.html"}, {"source": "security@mozilla.org", "tags": ["Issue Tracking", "Permissions Required"], "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1612308"}, {"source": "security@mozilla.org", "tags": ["Third Party Advisory"], "url": "https://usn.ubuntu.com/4328-1/"}, {"source": "security@mozilla.org", "tags": ["Third Party Advisory"], "url": "https://usn.ubuntu.com/4335-1/"}, {"source": "security@mozilla.org", "tags": ["Vendor Advisory"], "url": "https://www.mozilla.org/security/advisories/mfsa2020-08/"}, {"source": "security@mozilla.org", "tags": ["Vendor Advisory"], "url": "https://www.mozilla.org/security/advisories/mfsa2020-09/"}, {"source": "security@mozilla.org", "tags": ["Vendor Advisory"], "url": "https://www.mozilla.org/security/advisories/mfsa2020-10/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://packetstormsecurity.com/files/157524/Firefox-js-ReadableStreamCloseInternal-Out-Of-Bounds-Access.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Issue Tracking", "Permissions Required"], "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1612308"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://usn.ubuntu.com/4328-1/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://usn.ubuntu.com/4335-1/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://www.mozilla.org/security/advisories/mfsa2020-08/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://www.mozilla.org/security/advisories/mfsa2020-09/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://www.mozilla.org/security/advisories/mfsa2020-10/"}], "sourceIdentifier": "security@mozilla.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-125"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"acknowledgement": "Red Hat would like to thank the Mozilla project for reporting this issue. Upstream acknowledges Sergei Glazunov (Google Project Zero) as the original reporter.", "affected_release": [{"advisory": "RHSA-2020:0816", "cpe": "cpe:/o:redhat:enterprise_linux:6", "package": "firefox-0:68.6.0-1.el6_10", "product_name": "Red Hat Enterprise Linux 6", "release_date": "2020-03-16T00:00:00Z"}, {"advisory": "RHSA-2020:0914", "cpe": "cpe:/o:redhat:enterprise_linux:6", "package": "thunderbird-0:68.6.0-1.el6_10", "product_name": "Red Hat Enterprise Linux 6", "release_date": "2020-03-23T00:00:00Z"}, {"advisory": "RHSA-2020:0815", "cpe": "cpe:/o:redhat:enterprise_linux:7", "package": "firefox-0:68.6.0-1.el7_7", "product_name": "Red Hat Enterprise Linux 7", "release_date": "2020-03-16T00:00:00Z"}, {"advisory": "RHSA-2020:0905", "cpe": "cpe:/o:redhat:enterprise_linux:7", "package": "thunderbird-0:68.6.0-1.el7_7", "product_name": "Red Hat Enterprise Linux 7", "release_date": "2020-03-19T00:00:00Z"}, {"advisory": "RHSA-2020:0820", "cpe": "cpe:/a:redhat:enterprise_linux:8", "package": "firefox-0:68.6.0-1.el8_1", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2020-03-16T00:00:00Z"}, {"advisory": "RHSA-2020:0919", "cpe": "cpe:/a:redhat:enterprise_linux:8", "package": "thunderbird-0:68.6.0-1.el8_1", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2020-03-23T00:00:00Z"}, {"advisory": "RHSA-2020:0819", "cpe": "cpe:/a:redhat:rhel_e4s:8.0", "package": "firefox-0:68.6.0-1.el8_0", "product_name": "Red Hat Enterprise Linux 8.0 Update Services for SAP Solutions", "release_date": "2020-03-16T00:00:00Z"}, {"advisory": "RHSA-2020:0918", "cpe": "cpe:/a:redhat:rhel_e4s:8.0", "package": "thunderbird-0:68.6.0-1.el8_0", "product_name": "Red Hat Enterprise Linux 8.0 Update Services for SAP Solutions", "release_date": "2020-03-23T00:00:00Z"}], "bugzilla": {"description": "Mozilla: BodyStream:: OnInputStreamReady was missing protections against state confusion", "id": "1812200", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1812200"}, "csaw": false, "cvss3": {"cvss3_base_score": "8.8", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "status": "verified"}, "cwe": "CWE-125", "details": ["By carefully crafting promise resolutions, it was possible to cause an out-of-bounds read off the end of an array resized during script execution. This could have led to memory corruption and a potentially exploitable crash. This vulnerability affects Thunderbird < 68.6, Firefox < 74, Firefox < ESR68.6, and Firefox ESR < 68.6.", "The Mozilla Foundation Security Advisory describes this flaw as:\nBy carefully crafting promise resolutions, it was possible to cause an out-of-bounds read off the end of an array resized during script execution. This could have led to memory corruption and a potentially exploitable crash."], "name": "CVE-2020-6806", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:5", "fix_state": "Out of support scope", "package_name": "firefox", "product_name": "Red Hat Enterprise Linux 5"}, {"cpe": "cpe:/o:redhat:enterprise_linux:5", "fix_state": "Out of support scope", "package_name": "thunderbird", "product_name": "Red Hat Enterprise Linux 5"}], "public_date": "2020-03-10T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2020-6806\nhttps://nvd.nist.gov/vuln/detail/CVE-2020-6806\nhttps://www.mozilla.org/en-US/security/advisories/mfsa2020-09/#CVE-2020-6806"], "threat_severity": "Important"}

{}