{"api_version":"1","generated_at":"2026-04-25T03:02:22+00:00","cve":"CVE-2018-14780","urls":{"html":"https://cve.report/CVE-2018-14780","api":"https://cve.report/api/cve/CVE-2018-14780.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2018-14780","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2018-14780"},"summary":{"title":"CVE-2018-14780","description":"An out-of-bounds read issue was discovered in the Yubico-Piv 1.5.0 smartcard driver. The file lib/ykpiv.c contains the following code in the function `_ykpiv_fetch_object()`: {% highlight c %} if(sw == SW_SUCCESS) { size_t outlen; int offs = _ykpiv_get_length(data + 1, &outlen); if(offs == 0) { return YKPIV_SIZE_ERROR; } memmove(data, data + 1 + offs, outlen); *len = outlen; return YKPIV_OK; } else { return YKPIV_GENERIC_ERROR; } {% endhighlight %} -- in the end, a `memmove()` occurs with a length retrieved from APDU data. This length is not checked for whether it is outside of the APDU data retrieved. Therefore the `memmove()` could copy bytes behind the allocated data buffer into this buffer.","state":"PUBLIC","assigner":"cve@mitre.org","published_at":"2018-08-15 18:29:00","updated_at":"2020-02-25 04:15:00"},"problem_types":["CWE-125"],"metrics":[],"references":[{"url":"https://www.yubico.com/support/security-advisories/ysa-2018-03/","name":"https://www.yubico.com/support/security-advisories/ysa-2018-03/","refsource":"CONFIRM","tags":["Vendor Advisory"],"title":"Security advisory YSA-2018-03 - Yubico","mime":"text/html","httpstatus":"200","archivestatus":"0"},{"url":"https://usn.ubuntu.com/4276-1/","name":"USN-4276-1","refsource":"UBUNTU","tags":[],"title":"USN-4276-1: Yubico PIV Tool vulnerabilities | Ubuntu security notices | Ubuntu","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"http://www.openwall.com/lists/oss-security/2018/08/14/2","name":"[oss-security] 20180814 X41 D-Sec GmbH Security Advisory X41-2018-001: Multiple Vulnerabilities in Yubico 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out-of-bounds read issue was discovered in the Yubico-Piv 1.5.0 smartcard driver. The file lib/ykpiv.c contains the following code in the function `_ykpiv_fetch_object()`: {% highlight c %} if(sw == SW_SUCCESS) { size_t outlen; int offs = _ykpiv_get_length(data + 1, &outlen); if(offs == 0) { return YKPIV_SIZE_ERROR; } memmove(data, data + 1 + offs, outlen); *len = outlen; return YKPIV_OK; } else { return YKPIV_GENERIC_ERROR; } {% endhighlight %} -- in the end, a `memmove()` occurs with a length retrieved from APDU data. This length is not checked for whether it is outside of the APDU data retrieved. Therefore the `memmove()` could copy bytes behind the allocated data buffer into this buffer."}]},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"n/a"}]}]},"references":{"reference_data":[{"name":"https://www.yubico.com/support/security-advisories/ysa-2018-03/","refsource":"CONFIRM","url":"https://www.yubico.com/support/security-advisories/ysa-2018-03/"},{"name":"https://www.x41-dsec.de/lab/advisories/x41-2018-001-Yubico-Piv/","refsource":"MISC","url":"https://www.x41-dsec.de/lab/advisories/x41-2018-001-Yubico-Piv/"},{"name":"[oss-security] 20180814 X41 D-Sec GmbH Security Advisory X41-2018-001: Multiple Vulnerabilities in Yubico Piv","refsource":"MLIST","url":"http://www.openwall.com/lists/oss-security/2018/08/14/2"},{"refsource":"UBUNTU","name":"USN-4276-1","url":"https://usn.ubuntu.com/4276-1/"}]}},"nvd":{"publishedDate":"2018-08-15 18:29:00","lastModifiedDate":"2020-02-25 04:15:00","problem_types":["CWE-125"],"metrics":{"baseMetricV3":{"cvssV3":{"version":"3.0","vectorString":"CVSS:3.0/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","attackVector":"PHYSICAL","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"NONE","availabilityImpact":"NONE","baseScore":4.6,"baseSeverity":"MEDIUM"},"exploitabilityScore":0.9,"impactScore":3.6},"baseMetricV2":{"cvssV2":{"version":"2.0","vectorString":"AV:L/AC:L/Au:N/C:P/I:N/A:N","accessVector":"LOCAL","accessComplexity":"LOW","authentication":"NONE","confidentialityImpact":"PARTIAL","integrityImpact":"NONE","availabilityImpact":"NONE","baseScore":2.1},"severity":"LOW","exploitabilityScore":3.9,"impactScore":2.9,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":false}},"configurations":{"CVE_data_version":"4.0","nodes":[{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:yubico:smart_card_minidriver:*:*:*:*:*:*:*:*","versionEndIncluding":"3.7.3.160","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:yubico:piv_manager:1.4.2g:*:*:*:*:*:*:*","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:yubico:piv_manager:1.4.2f:*:*:*:*:*:*:*","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:yubico:piv_manager:1.4.2e:*:*:*:*:*:*:*","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:yubico:piv_manager:1.4.2d:*:*:*:*:*:*:*","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:yubico:piv_manager:1.4.2c:*:*:*:*:*:*:*","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:yubico:piv_manager:1.4.2b:*:*:*:*:*:*:*","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:yubico:piv_tool:*:*:*:*:*:*:*:*","versionEndExcluding":"1.6.0","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:yubico:piv_manager:*:*:*:*:*:*:*:*","versionEndExcluding":"1.4.2","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:yubico:piv_manager:1.4.2:*:*:*:*:*:*:*","cpe_name":[]}]}]}},"legacy_mitre":{"record":{"CveYear":"2018","CveId":"14780","Ordinal":"131513","Title":"CVE-2018-14780","CVE":"CVE-2018-14780","Year":"2018"},"notes":[{"CveYear":"2018","CveId":"14780","Ordinal":"1","NoteData":"An out-of-bounds read issue was discovered in the Yubico-Piv 1.5.0 smartcard driver. The file lib/ykpiv.c contains the following code in the function `_ykpiv_fetch_object()`: {% highlight c %} if(sw == SW_SUCCESS) { size_t outlen; int offs = _ykpiv_get_length(data + 1, &outlen); if(offs == 0) { return YKPIV_SIZE_ERROR; } memmove(data, data + 1 + offs, outlen); *len = outlen; return YKPIV_OK; } else { return YKPIV_GENERIC_ERROR; } {% endhighlight %} -- in the end, a `memmove()` occurs with a length retrieved from APDU data. This length is not checked for whether it is outside of the APDU data retrieved. Therefore the `memmove()` could copy bytes behind the allocated data buffer into this buffer.","Type":"Description","Title":null},{"CveYear":"2018","CveId":"14780","Ordinal":"2","NoteData":"2018-08-15","Type":"Other","Title":"Published"},{"CveYear":"2018","CveId":"14780","Ordinal":"3","NoteData":"2020-02-24","Type":"Other","Title":"Modified"}]}}}