{"containers": {"cna": {"affected": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "descriptions": [{"lang": "en", "value": "The Signal app before 5.34 for iOS allows URI spoofing via RTLO injection. It incorrectly renders RTLO encoded URLs beginning with a non-breaking space, when there is a hash character in the URL. This technique allows a remote unauthenticated attacker to send legitimate looking links, appearing to be any website URL, by abusing the non-http/non-https automatic rendering of URLs. An attacker can spoof, for example, example.com, and masquerade any URL with a malicious destination. An attacker requires a subdomain such as gepj, txt, fdp, or xcod, which would appear backwards as jpeg, txt, pdf, and docx respectively."}], "problemTypes": [{"descriptions": [{"description": "n/a", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2022-04-20T20:21:01", "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://github.com/zadewg/RIUS"}, {"tags": ["x_refsource_MISC"], "url": "https://sick.codes/sick-2022-42"}, {"tags": ["x_refsource_MISC"], "url": "https://github.com/sickcodes/security/blob/master/advisories/SICK-2022-42.md"}, {"tags": ["x_refsource_MISC"], "url": "https://blog.malwarebytes.com/social-engineering/2022/03/uri-spoofing-flaw-could-phish-whatsapp-signal-instagram-and-imessage-users/"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "cve@mitre.org", "ID": "CVE-2022-28345", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "n/a", "version": {"version_data": [{"version_value": "n/a"}]}}]}, "vendor_name": "n/a"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "The Signal app before 5.34 for iOS allows URI spoofing via RTLO injection. It incorrectly renders RTLO encoded URLs beginning with a non-breaking space, when there is a hash character in the URL. This technique allows a remote unauthenticated attacker to send legitimate looking links, appearing to be any website URL, by abusing the non-http/non-https automatic rendering of URLs. An attacker can spoof, for example, example.com, and masquerade any URL with a malicious destination. An attacker requires a subdomain such as gepj, txt, fdp, or xcod, which would appear backwards as jpeg, txt, pdf, and docx respectively."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "n/a"}]}]}, "references": {"reference_data": [{"name": "https://github.com/zadewg/RIUS", "refsource": "MISC", "url": "https://github.com/zadewg/RIUS"}, {"name": "https://sick.codes/sick-2022-42", "refsource": "MISC", "url": "https://sick.codes/sick-2022-42"}, {"name": "https://github.com/sickcodes/security/blob/master/advisories/SICK-2022-42.md", "refsource": "MISC", "url": "https://github.com/sickcodes/security/blob/master/advisories/SICK-2022-42.md"}, {"name": "https://blog.malwarebytes.com/social-engineering/2022/03/uri-spoofing-flaw-could-phish-whatsapp-signal-instagram-and-imessage-users/", "refsource": "MISC", "url": "https://blog.malwarebytes.com/social-engineering/2022/03/uri-spoofing-flaw-could-phish-whatsapp-signal-instagram-and-imessage-users/"}]}}}}, "cveMetadata": {"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "cveId": "CVE-2022-28345", "datePublished": "2022-04-15T05:28:57", "dateReserved": "2022-04-02T00:00:00", "dateUpdated": "2022-04-20T20:21:01", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.0"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:signal:signal:*:*:*:*:*:iphone_os:*:*", "matchCriteriaId": "A40A9262-F4AF-4C2B-AAAE-019AA0E87976", "versionEndExcluding": "5.34", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "descriptions": [{"lang": "en", "value": "The Signal app before 5.34 for iOS allows URI spoofing via RTLO injection. It incorrectly renders RTLO encoded URLs beginning with a non-breaking space, when there is a hash character in the URL. This technique allows a remote unauthenticated attacker to send legitimate looking links, appearing to be any website URL, by abusing the non-http/non-https automatic rendering of URLs. An attacker can spoof, for example, example.com, and masquerade any URL with a malicious destination. An attacker requires a subdomain such as gepj, txt, fdp, or xcod, which would appear backwards as jpeg, txt, pdf, and docx respectively."}, {"lang": "es", "value": "La aplicaci\u00f3n Signal versiones anteriores a 5.34 para iOS permite una suplantaci\u00f3n de URI por medio de una inyecci\u00f3n de RTLO. Representa incorrectamente las URL codificadas con RTLO que comienzan con un espacio sin romper, cuando se presenta un car\u00e1cter de hash en la URL. Esta t\u00e9cnica permite a un atacante remoto no autenticado enviar enlaces de aspecto leg\u00edtimo, aparentando ser cualquier URL de un sitio web, al abusar de la renderizaci\u00f3n autom\u00e1tica de URLs no http/no https. Un atacante puede falsificar, por ejemplo, example.com, y enmascarar cualquier URL con un destino malicioso. Un atacante requiere un subdominio como gepj, txt, fdp o xcod, que aparecer\u00edan al rev\u00e9s como jpeg, txt, pdf y docx respectivamente"}], "id": "CVE-2022-28345", "lastModified": "2022-04-26T17:25:24.510", "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": "2022-04-15T06:15:06.597", "references": [{"source": "cve@mitre.org", "tags": ["Third Party Advisory"], "url": "https://blog.malwarebytes.com/social-engineering/2022/03/uri-spoofing-flaw-could-phish-whatsapp-signal-instagram-and-imessage-users/"}, {"source": "cve@mitre.org", "tags": ["Exploit", "Patch", "Third Party Advisory"], "url": "https://github.com/sickcodes/security/blob/master/advisories/SICK-2022-42.md"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory"], "url": "https://github.com/zadewg/RIUS"}, {"source": "cve@mitre.org", "tags": ["Exploit", "Patch", "Third Party Advisory"], "url": "https://sick.codes/sick-2022-42"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-74"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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