CVE-2019-14356

{"containers": {"cna": {"affected": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "descriptions": [{"lang": "en", "value": "On Coldcard MK1 and MK2 devices, a side channel for the row-based OLED display was found. The power consumption of each row-based display cycle depends on the number of illuminated pixels, allowing a partial recovery of display contents. For example, a hardware implant in the USB cable might be able to leverage this behavior to recover confidential secrets such as the PIN and BIP39 mnemonic. In other words, the side channel is relevant only if the attacker has enough control over the device's USB connection to make power-consumption measurements at a time when secret data is displayed. The side channel is not relevant in other circumstances, such as a stolen device that is not currently displaying secret data. On Coldcard MK1 and MK2 devices, a side channel for the row-based OLED display was found. The power consumption of each row-based display cycle depends on the number of illuminated pixels, allowing a partial recovery of display contents. For example, a hardware implant in the USB cable might be able to leverage this behavior to recover confidential secrets such as the PIN and BIP39 mnemonic. In other words, the side channel is relevant only if the attacker has enough control over the device's USB connection to make power-consumption measurements at a time when secret data is displayed. The side channel is not relevant in other circumstances, such as a stolen device that is not currently displaying secret data. NOTE: At Coinkite, we\u2019ve already mitigated it, even though we feel strongly that it is not a legitimate issue. In our opinion, it is both unproven (might not even work) and also completely impractical\u2014even if it could be made to work perfectly"}], "problemTypes": [{"descriptions": [{"description": "n/a", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2019-10-31T17:59:42.000Z", "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://github.com/someone42/hardware-bitcoin-wallet/blob/master/pic32/ssd1306.c"}, {"tags": ["x_refsource_MISC"], "url": "https://blog.coinkite.com/noise-troll/"}], "tags": ["disputed"], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "cve@mitre.org", "ID": "CVE-2019-14356", "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": "** DISPUTED ** On Coldcard MK1 and MK2 devices, a side channel for the row-based OLED display was found. The power consumption of each row-based display cycle depends on the number of illuminated pixels, allowing a partial recovery of display contents. For example, a hardware implant in the USB cable might be able to leverage this behavior to recover confidential secrets such as the PIN and BIP39 mnemonic. In other words, the side channel is relevant only if the attacker has enough control over the device's USB connection to make power-consumption measurements at a time when secret data is displayed. The side channel is not relevant in other circumstances, such as a stolen device that is not currently displaying secret data. On Coldcard MK1 and MK2 devices, a side channel for the row-based OLED display was found. The power consumption of each row-based display cycle depends on the number of illuminated pixels, allowing a partial recovery of display contents. For example, a hardware implant in the USB cable might be able to leverage this behavior to recover confidential secrets such as the PIN and BIP39 mnemonic. In other words, the side channel is relevant only if the attacker has enough control over the device's USB connection to make power-consumption measurements at a time when secret data is displayed. The side channel is not relevant in other circumstances, such as a stolen device that is not currently displaying secret data. NOTE: At Coinkite, we\u2019ve already mitigated it, even though we feel strongly that it is not a legitimate issue. In our opinion, it is both unproven (might not even work) and also completely impractical\u2014even if it could be made to work perfectly."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "n/a"}]}]}, "references": {"reference_data": [{"name": "https://github.com/someone42/hardware-bitcoin-wallet/blob/master/pic32/ssd1306.c", "refsource": "MISC", "url": "https://github.com/someone42/hardware-bitcoin-wallet/blob/master/pic32/ssd1306.c"}, {"name": "https://blog.coinkite.com/noise-troll/", "refsource": "MISC", "url": "https://blog.coinkite.com/noise-troll/"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-05T00:12:43.510Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://github.com/someone42/hardware-bitcoin-wallet/blob/master/pic32/ssd1306.c"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://blog.coinkite.com/noise-troll/"}]}]}, "cveMetadata": {"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "cveId": "CVE-2019-14356", "datePublished": "2019-10-31T17:59:42.000Z", "dateReserved": "2019-07-28T00:00:00.000Z", "dateUpdated": "2024-08-05T00:12:43.510Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{}

{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "cve@mitre.org"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:coinkite:coldcard_mk1_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "F73E21CB-FBE2-4F1F-9BE2-DD4706A8D3CC", "versionEndExcluding": "2.1.2", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:coinkite:coldcard_mk1:-:*:*:*:*:*:*:*", "matchCriteriaId": "DE1321C6-80A7-416E-8651-8D95AE4A2253", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:coinkite:coldcard_mk2_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "D3678E48-C2A2-404C-9CB1-09C259477616", "versionEndExcluding": "2.1.2", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:coinkite:coldcard_mk2:-:*:*:*:*:*:*:*", "matchCriteriaId": "A68941D7-AF45-4644-9ECE-6C9573536B01", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}], "cveTags": [{"sourceIdentifier": "cve@mitre.org", "tags": ["disputed"]}], "descriptions": [{"lang": "en", "value": "On Coldcard MK1 and MK2 devices, a side channel for the row-based OLED display was found. The power consumption of each row-based display cycle depends on the number of illuminated pixels, allowing a partial recovery of display contents. For example, a hardware implant in the USB cable might be able to leverage this behavior to recover confidential secrets such as the PIN and BIP39 mnemonic. In other words, the side channel is relevant only if the attacker has enough control over the device's USB connection to make power-consumption measurements at a time when secret data is displayed. The side channel is not relevant in other circumstances, such as a stolen device that is not currently displaying secret data. On Coldcard MK1 and MK2 devices, a side channel for the row-based OLED display was found. The power consumption of each row-based display cycle depends on the number of illuminated pixels, allowing a partial recovery of display contents. For example, a hardware implant in the USB cable might be able to leverage this behavior to recover confidential secrets such as the PIN and BIP39 mnemonic. In other words, the side channel is relevant only if the attacker has enough control over the device's USB connection to make power-consumption measurements at a time when secret data is displayed. The side channel is not relevant in other circumstances, such as a stolen device that is not currently displaying secret data. NOTE: At Coinkite, we\u2019ve already mitigated it, even though we feel strongly that it is not a legitimate issue. In our opinion, it is both unproven (might not even work) and also completely impractical\u2014even if it could be made to work perfectly"}, {"lang": "es", "value": "** EN DISPUTA ** En los dispositivos Coldcard MK1 y MK2, se encontr\u00f3 un canal lateral para la pantalla OLED basada en filas. El consumo de energ\u00eda de cada ciclo de visualizaci\u00f3n basado en filas depende del n\u00famero de p\u00edxeles iluminados, lo que permite una recuperaci\u00f3n parcial del contenido de la pantalla. Por ejemplo, un implante de hardware en el cable USB podr\u00eda aprovechar este comportamiento para recuperar secretos confidenciales como el PIN y el mnem\u00f3nico BIP39. En otras palabras, el canal lateral es relevante solo si el atacante tiene suficiente control sobre la conexi\u00f3n USB del dispositivo para realizar mediciones de consumo de energ\u00eda en un momento en que se muestran datos secretos. El canal lateral no es relevante en otras circunstancias, como un dispositivo robado que actualmente no muestra datos secretos. En los dispositivos Coldcard MK1 y MK2, se encontr\u00f3 un canal lateral para la pantalla OLED basada en filas. El consumo de energ\u00eda de cada ciclo de visualizaci\u00f3n basado en filas depende del n\u00famero de p\u00edxeles iluminados, lo que permite una recuperaci\u00f3n parcial del contenido de la pantalla. Por ejemplo, un implante de hardware en el cable USB podr\u00eda aprovechar este comportamiento para recuperar secretos confidenciales como el PIN y el mnem\u00f3nico BIP39. En otras palabras, el canal lateral es relevante solo si el atacante tiene suficiente control sobre la conexi\u00f3n USB del dispositivo para realizar mediciones de consumo de energ\u00eda en un momento en que se muestran datos secretos. El canal lateral no es relevante en otras circunstancias, como un dispositivo robado que actualmente no muestra datos secretos. NOTA: En Coinkite, ya lo hemos mitigado, aunque creemos firmemente que no es un problema leg\u00edtimo. En nuestra opini\u00f3n, no est\u00e1 comprobado (puede que ni siquiera funcione) y tambi\u00e9n es completamente poco pr\u00e1ctico, incluso si pudiera funcionar perfectamente."}], "id": "CVE-2019-14356", "lastModified": "2026-06-17T02:18:16.203", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "NONE", "baseScore": 5.0, "confidentialityImpact": "PARTIAL", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:N/C:P/I:N/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": 5.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 1.4, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2019-10-31T18:15:11.427", "references": [{"source": "cve@mitre.org", "tags": ["Patch", "Vendor Advisory"], "url": "https://blog.coinkite.com/noise-troll/"}, {"source": "cve@mitre.org", "tags": ["Exploit", "Third Party Advisory"], "url": "https://github.com/someone42/hardware-bitcoin-wallet/blob/master/pic32/ssd1306.c"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Vendor Advisory"], "url": "https://blog.coinkite.com/noise-troll/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Third Party Advisory"], "url": "https://github.com/someone42/hardware-bitcoin-wallet/blob/master/pic32/ssd1306.c"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-203"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{}

{}