CVE-2020-27748

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{"affected": [{"affectedData": [{"product": "xdg-utils", "vendor": "n/a", "versions": [{"status": "affected", "version": "xdg-utils-1.1.0-rc1"}]}], "source": "secalert@redhat.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:freedesktop:xdg-utils:*:*:*:*:*:*:*:*", "matchCriteriaId": "8CC0E0DB-5173-4AB8-BE8F-B142FBE8E3F9", "versionStartIncluding": "1.1.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "A flaw was found in the xdg-email component of xdg-utils-1.1.0-rc1 and newer. When handling mailto: URIs, xdg-email allows attachments to be discreetly added via the URI when being passed to Thunderbird. An attacker could potentially send a victim a URI that automatically attaches a sensitive file to a new email. If a victim user does not notice that an attachment was added and sends the email, this could result in sensitive information disclosure. It has been confirmed that the code behind this issue is in xdg-email and not in Thunderbird."}, {"lang": "es", "value": "Se encontr\u00f3 un fallo en el componente xdg-email de xdg-utils versiones 1.1.0-rc1 y posteriores. Al manejar mailto: URIs, xdg-email permite que los adjuntos se agreguen discretamente por medio del URI cuando se pasan a Thunderbird. Un atacante podr\u00eda enviar a la v\u00edctima un URI que adjunte autom\u00e1ticamente un archivo confidencial a un nuevo correo electr\u00f3nico. Si un usuario v\u00edctima no nota de que se agreg\u00f3 un archivo adjunto y env\u00eda el correo electr\u00f3nico, esto podr\u00eda resultar en la divulgaci\u00f3n de informaci\u00f3n confidencial. Se ha confirmado que el c\u00f3digo detr\u00e1s de este problema est\u00e1 en xdg-email y no en Thunderbird"}], "id": "CVE-2020-27748", "lastModified": "2026-06-17T03:09:34.110", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "NONE", "baseScore": 4.3, "confidentialityImpact": "PARTIAL", "integrityImpact": "NONE", "vectorString": "AV:N/AC:M/Au:N/C:P/I:N/A:N", "version": "2.0"}, "exploitabilityScore": 8.6, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": true}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2021-06-01T14:15:08.387", "references": [{"source": "secalert@redhat.com", "tags": ["Issue Tracking", "Third Party Advisory"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1899769"}, {"source": "secalert@redhat.com", "tags": ["Exploit", "Issue Tracking", "Vendor Advisory"], "url": "https://gitlab.freedesktop.org/xdg/xdg-utils/-/issues/177"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Issue Tracking", "Third Party Advisory"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1899769"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Issue Tracking", "Vendor Advisory"], "url": "https://gitlab.freedesktop.org/xdg/xdg-utils/-/issues/177"}], "sourceIdentifier": "secalert@redhat.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-201"}], "source": "secalert@redhat.com", "type": "Secondary"}]}

{"acknowledgement": "Red Hat would like to thank Jens Mueller (Ruhr University Bochum) for reporting this issue.", "bugzilla": {"description": "xdg-utils: local file inclusion vulnerability", "id": "1899769", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1899769"}, "csaw": false, "cvss3": {"cvss3_base_score": "6.5", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N", "status": "draft"}, "cwe": "CWE-201", "details": ["A flaw was found in the xdg-email component of xdg-utils-1.1.0-rc1 and newer. When handling mailto: URIs, xdg-email allows attachments to be discreetly added via the URI when being passed to Thunderbird. An attacker could potentially send a victim a URI that automatically attaches a sensitive file to a new email. If a victim user does not notice that an attachment was added and sends the email, this could result in sensitive information disclosure. It has been confirmed that the code behind this issue is in xdg-email and not in Thunderbird.", "A flaw was found in the xdg-email component of xdg-utils-1.1.0-rc1 and newer. When handling mailto: URIs, xdg-email allows attachments to be discreetly added via the URI when being passed to Thunderbird. An attacker could potentially send a victim a URI that automatically attaches a sensitive file to a new email. If a victim user does not notice that an attachment was added and sends the email, this could result in sensitive information disclosure. It has been confirmed that the code behind this issue is in xdg-email and not in Thunderbird."], "mitigation": {"lang": "en:us", "value": "To mitigate this flaw, either:\n1. Do not use mailto links at all\n2. Always double-check in the user interface that there are no unwanted attachments before sending emails; especially when the email originates from clicking a mailto link."}, "name": "CVE-2020-27748", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "package_name": "xdg-utils", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "package_name": "xdg-utils", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Will not fix", "package_name": "xdg-utils", "product_name": "Red Hat Enterprise Linux 8"}], "public_date": "2020-02-05T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2020-27748\nhttps://nvd.nist.gov/vuln/detail/CVE-2020-27748\nhttps://gitlab.freedesktop.org/xdg/xdg-utils/-/issues/177"], "statement": "This flaw is out of support scope for Red Hat Enterprise Linux 6 and 7. Please see https://access.redhat.com/support/policy/updates/errata/ for more details.", "threat_severity": "Moderate"}

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