CVE-2019-11755

{"containers": {"cna": {"affected": [{"product": "Thunderbird", "vendor": "Mozilla", "versions": [{"lessThan": "68.1.1", "status": "affected", "version": "unspecified", "versionType": "custom"}]}], "descriptions": [{"lang": "en", "value": "A crafted S/MIME message consisting of an inner encryption layer and an outer SignedData layer was shown as having a valid digital signature, although the signer might have had no access to the contents of the encrypted message, and might have stripped a different signature from the encrypted message. Previous versions had only suppressed showing a digital signature for messages with an outer multipart/signed layer. This vulnerability affects Thunderbird < 68.1.1."}], "problemTypes": [{"descriptions": [{"description": "Spoofing a message author via a crafted S/MIME message", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2020-04-29T02:07:13.000Z", "orgId": "f16b083a-5664-49f3-a51e-8d479e5ed7fe", "shortName": "mozilla"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1240290"}, {"tags": ["x_refsource_CONFIRM"], "url": "https://www.mozilla.org/security/advisories/mfsa2019-32/"}, {"name": "openSUSE-SU-2019:2248", "tags": ["vendor-advisory", "x_refsource_SUSE"], "url": "http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00010.html"}, {"name": "openSUSE-SU-2019:2249", "tags": ["vendor-advisory", "x_refsource_SUSE"], "url": "http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00009.html"}, {"name": "20191118 [SECURITY] [DSA 4571-1] thunderbird security update", "tags": ["mailing-list", "x_refsource_BUGTRAQ"], "url": "https://seclists.org/bugtraq/2019/Nov/24"}, {"name": "DSA-4571", "tags": ["vendor-advisory", "x_refsource_DEBIAN"], "url": "https://www.debian.org/security/2019/dsa-4571"}, {"name": "[debian-lts-announce] 20191118 [SECURITY] [DLA 1997-1] thunderbird security update", "tags": ["mailing-list", "x_refsource_MLIST"], "url": "https://lists.debian.org/debian-lts-announce/2019/11/msg00017.html"}, {"name": "USN-4202-1", "tags": ["vendor-advisory", "x_refsource_UBUNTU"], "url": "https://usn.ubuntu.com/4202-1/"}, {"name": "USN-4335-1", "tags": ["vendor-advisory", "x_refsource_UBUNTU"], "url": "https://usn.ubuntu.com/4335-1/"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "security@mozilla.org", "ID": "CVE-2019-11755", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "Thunderbird", "version": {"version_data": [{"version_affected": "<", "version_value": "68.1.1"}]}}]}, "vendor_name": "Mozilla"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "A crafted S/MIME message consisting of an inner encryption layer and an outer SignedData layer was shown as having a valid digital signature, although the signer might have had no access to the contents of the encrypted message, and might have stripped a different signature from the encrypted message. Previous versions had only suppressed showing a digital signature for messages with an outer multipart/signed layer. This vulnerability affects Thunderbird < 68.1.1."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "Spoofing a message author via a crafted S/MIME message"}]}]}, "references": {"reference_data": [{"name": "https://bugzilla.mozilla.org/show_bug.cgi?id=1240290", "refsource": "MISC", "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1240290"}, {"name": "https://www.mozilla.org/security/advisories/mfsa2019-32/", "refsource": "CONFIRM", "url": "https://www.mozilla.org/security/advisories/mfsa2019-32/"}, {"name": "openSUSE-SU-2019:2248", "refsource": "SUSE", "url": "http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00010.html"}, {"name": "openSUSE-SU-2019:2249", "refsource": "SUSE", "url": "http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00009.html"}, {"name": "20191118 [SECURITY] [DSA 4571-1] thunderbird security update", "refsource": "BUGTRAQ", "url": "https://seclists.org/bugtraq/2019/Nov/24"}, {"name": "DSA-4571", "refsource": "DEBIAN", "url": "https://www.debian.org/security/2019/dsa-4571"}, {"name": "[debian-lts-announce] 20191118 [SECURITY] [DLA 1997-1] thunderbird security update", "refsource": "MLIST", "url": "https://lists.debian.org/debian-lts-announce/2019/11/msg00017.html"}, {"name": "USN-4202-1", "refsource": "UBUNTU", "url": "https://usn.ubuntu.com/4202-1/"}, {"name": "USN-4335-1", "refsource": "UBUNTU", "url": "https://usn.ubuntu.com/4335-1/"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T23:03:32.735Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1240290"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://www.mozilla.org/security/advisories/mfsa2019-32/"}, {"name": "openSUSE-SU-2019:2248", "tags": ["vendor-advisory", "x_refsource_SUSE", "x_transferred"], "url": "http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00010.html"}, {"name": "openSUSE-SU-2019:2249", "tags": ["vendor-advisory", "x_refsource_SUSE", "x_transferred"], "url": "http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00009.html"}, {"name": "20191118 [SECURITY] [DSA 4571-1] thunderbird security update", "tags": ["mailing-list", "x_refsource_BUGTRAQ", "x_transferred"], "url": "https://seclists.org/bugtraq/2019/Nov/24"}, {"name": "DSA-4571", "tags": ["vendor-advisory", "x_refsource_DEBIAN", "x_transferred"], "url": "https://www.debian.org/security/2019/dsa-4571"}, {"name": "[debian-lts-announce] 20191118 [SECURITY] [DLA 1997-1] thunderbird security update", "tags": ["mailing-list", "x_refsource_MLIST", "x_transferred"], "url": "https://lists.debian.org/debian-lts-announce/2019/11/msg00017.html"}, {"name": "USN-4202-1", "tags": ["vendor-advisory", "x_refsource_UBUNTU", "x_transferred"], "url": "https://usn.ubuntu.com/4202-1/"}, {"name": "USN-4335-1", "tags": ["vendor-advisory", "x_refsource_UBUNTU", "x_transferred"], "url": "https://usn.ubuntu.com/4335-1/"}]}]}, "cveMetadata": {"assignerOrgId": "f16b083a-5664-49f3-a51e-8d479e5ed7fe", "assignerShortName": "mozilla", "cveId": "CVE-2019-11755", "datePublished": "2019-09-27T17:10:44.000Z", "dateReserved": "2019-05-03T00:00:00.000Z", "dateUpdated": "2024-08-04T23:03:32.735Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{}

{"affected": [{"affectedData": [{"product": "Thunderbird", "vendor": "Mozilla", "versions": [{"lessThan": "68.1.1", "status": "affected", "version": "unspecified", "versionType": "custom"}]}], "source": "security@mozilla.org"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*", "matchCriteriaId": "974490EB-2CD1-4CB3-A6C6-B98F975063ED", "versionEndExcluding": "68.1.1", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "A crafted S/MIME message consisting of an inner encryption layer and an outer SignedData layer was shown as having a valid digital signature, although the signer might have had no access to the contents of the encrypted message, and might have stripped a different signature from the encrypted message. Previous versions had only suppressed showing a digital signature for messages with an outer multipart/signed layer. This vulnerability affects Thunderbird < 68.1.1."}, {"lang": "es", "value": "Un mensaje S/MIME dise\u00f1ado que consta de una capa de cifrado interna y una capa SignedData externa se mostr\u00f3 con firma digital v\u00e1lida, aunque el firmante podr\u00eda no haber tenido acceso al contenido del mensaje cifrado y podr\u00eda haber eliminado una firma diferente del mensaje cifrado. Las versiones anteriores solo hab\u00edan suprimido el despliegue de una firma digital para mensajes con una capa externa multiparte y firmada. Esta vulnerabilidad afecta a Thunderbird versiones anteriores a 68.1.1."}], "id": "CVE-2019-11755", "lastModified": "2026-06-17T02:13:34.553", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "NONE", "baseScore": 5.0, "confidentialityImpact": "NONE", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:L/Au:N/C:N/I:P/A:N", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2019-09-27T18:15:14.100", "references": [{"source": "security@mozilla.org", "url": "http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00009.html"}, {"source": "security@mozilla.org", "url": "http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00010.html"}, {"source": "security@mozilla.org", "tags": ["Issue Tracking", "Permissions Required", "Vendor Advisory"], "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1240290"}, {"source": "security@mozilla.org", "url": "https://lists.debian.org/debian-lts-announce/2019/11/msg00017.html"}, {"source": "security@mozilla.org", "url": "https://seclists.org/bugtraq/2019/Nov/24"}, {"source": "security@mozilla.org", "url": "https://usn.ubuntu.com/4202-1/"}, {"source": "security@mozilla.org", "url": "https://usn.ubuntu.com/4335-1/"}, {"source": "security@mozilla.org", "url": "https://www.debian.org/security/2019/dsa-4571"}, {"source": "security@mozilla.org", "tags": ["Vendor Advisory"], "url": "https://www.mozilla.org/security/advisories/mfsa2019-32/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00009.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00010.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Issue Tracking", "Permissions Required", "Vendor Advisory"], "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1240290"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.debian.org/debian-lts-announce/2019/11/msg00017.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://seclists.org/bugtraq/2019/Nov/24"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://usn.ubuntu.com/4202-1/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://usn.ubuntu.com/4335-1/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://www.debian.org/security/2019/dsa-4571"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://www.mozilla.org/security/advisories/mfsa2019-32/"}], "sourceIdentifier": "security@mozilla.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-347"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "thunderbird: spoofing a message author via a crafted S/MIME", "id": "1762818", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1762818"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.5", "cvss3_scoring_vector": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N", "status": "draft"}, "cwe": "CWE-290", "details": ["A crafted S/MIME message consisting of an inner encryption layer and an outer SignedData layer was shown as having a valid digital signature, although the signer might have had no access to the contents of the encrypted message, and might have stripped a different signature from the encrypted message. Previous versions had only suppressed showing a digital signature for messages with an outer multipart/signed layer. This vulnerability affects Thunderbird < 68.1.1."], "name": "CVE-2019-11755", "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"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "thunderbird", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "thunderbird", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "thunderbird", "product_name": "Red Hat Enterprise Linux 8"}], "public_date": "2019-09-30T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2019-11755\nhttps://nvd.nist.gov/vuln/detail/CVE-2019-11755\nhttps://www.mozilla.org/en-US/security/advisories/mfsa2019-32/"], "threat_severity": "Moderate"}

{}