CVE-2020-12398

{"containers": {"cna": {"affected": [{"product": "Thunderbird", "vendor": "Mozilla", "versions": [{"lessThan": "68.9.0", "status": "affected", "version": "unspecified", "versionType": "custom"}]}], "descriptions": [{"lang": "en", "value": "If Thunderbird is configured to use STARTTLS for an IMAP server, and the server sends a PREAUTH response, then Thunderbird will continue with an unencrypted connection, causing email data to be sent without protection. This vulnerability affects Thunderbird < 68.9.0."}], "problemTypes": [{"descriptions": [{"description": "Security downgrade with IMAP STARTTLS leads to information leakage", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2020-07-22T15:06:15.000Z", "orgId": "f16b083a-5664-49f3-a51e-8d479e5ed7fe", "shortName": "mozilla"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://www.mozilla.org/security/advisories/mfsa2020-22/"}, {"tags": ["x_refsource_MISC"], "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1613623"}, {"name": "USN-4421-1", "tags": ["vendor-advisory", "x_refsource_UBUNTU"], "url": "https://usn.ubuntu.com/4421-1/"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "security@mozilla.org", "ID": "CVE-2020-12398", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "Thunderbird", "version": {"version_data": [{"version_affected": "<", "version_value": "68.9.0"}]}}]}, "vendor_name": "Mozilla"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "If Thunderbird is configured to use STARTTLS for an IMAP server, and the server sends a PREAUTH response, then Thunderbird will continue with an unencrypted connection, causing email data to be sent without protection. This vulnerability affects Thunderbird < 68.9.0."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "Security downgrade with IMAP STARTTLS leads to information leakage"}]}]}, "references": {"reference_data": [{"name": "https://www.mozilla.org/security/advisories/mfsa2020-22/", "refsource": "MISC", "url": "https://www.mozilla.org/security/advisories/mfsa2020-22/"}, {"name": "https://bugzilla.mozilla.org/show_bug.cgi?id=1613623", "refsource": "MISC", "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1613623"}, {"name": "USN-4421-1", "refsource": "UBUNTU", "url": "https://usn.ubuntu.com/4421-1/"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T11:56:52.019Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://www.mozilla.org/security/advisories/mfsa2020-22/"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1613623"}, {"name": "USN-4421-1", "tags": ["vendor-advisory", "x_refsource_UBUNTU", "x_transferred"], "url": "https://usn.ubuntu.com/4421-1/"}]}]}, "cveMetadata": {"assignerOrgId": "f16b083a-5664-49f3-a51e-8d479e5ed7fe", "assignerShortName": "mozilla", "cveId": "CVE-2020-12398", "datePublished": "2020-07-09T14:45:35.000Z", "dateReserved": "2020-04-28T00:00:00.000Z", "dateUpdated": "2024-08-04T11:56:52.019Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

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{"acknowledgement": "Red Hat would like to thank the Mozilla project for reporting this issue. Upstream acknowledges Damian Poddebniak as the original reporter.", "affected_release": [{"advisory": "RHSA-2020:2613", "cpe": "cpe:/o:redhat:enterprise_linux:6", "package": "thunderbird-0:68.9.0-1.el6_10", "product_name": "Red Hat Enterprise Linux 6", "release_date": "2020-06-19T00:00:00Z"}, {"advisory": "RHSA-2020:2615", "cpe": "cpe:/o:redhat:enterprise_linux:7", "package": "thunderbird-0:68.9.0-1.el7_8", "product_name": "Red Hat Enterprise Linux 7", "release_date": "2020-06-22T00:00:00Z"}, {"advisory": "RHSA-2020:2614", "cpe": "cpe:/a:redhat:enterprise_linux:8", "package": "thunderbird-0:68.9.0-1.el8_2", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2020-06-22T00:00:00Z"}, {"advisory": "RHSA-2020:2616", "cpe": "cpe:/a:redhat:rhel_e4s:8.0", "package": "thunderbird-0:68.9.0-1.el8_0", "product_name": "Red Hat Enterprise Linux 8.0 Update Services for SAP Solutions", "release_date": "2020-06-19T00:00:00Z"}, {"advisory": "RHSA-2020:2611", "cpe": "cpe:/a:redhat:rhel_eus:8.1", "package": "thunderbird-0:68.9.0-1.el8_1", "product_name": "Red Hat Enterprise Linux 8.1 Extended Update Support", "release_date": "2020-06-19T00:00:00Z"}], "bugzilla": {"description": "Mozilla: Security downgrade with IMAP STARTTLS leads to information leakage", "id": "1846556", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1846556"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.5", "cvss3_scoring_vector": "CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H", "status": "verified"}, "cwe": "CWE-200", "details": ["If Thunderbird is configured to use STARTTLS for an IMAP server, and the server sends a PREAUTH response, then Thunderbird will continue with an unencrypted connection, causing email data to be sent without protection. This vulnerability affects Thunderbird < 68.9.0.", "The Mozilla Foundation Security Advisory describes this flaw as:\nIf Thunderbird is configured to use STARTTLS for an IMAP server, and the server sends a PREAUTH response, then Thunderbird will continue with an unencrypted connection, causing email data to be sent without protection."], "name": "CVE-2020-12398", "package_state": [{"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": "2020-06-02T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2020-12398\nhttps://nvd.nist.gov/vuln/detail/CVE-2020-12398\nhttps://www.mozilla.org/en-US/security/advisories/mfsa2020-22/#CVE-2020-12398"], "threat_severity": "Important"}

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