{"id":"CVE-2018-14780","state":"PUBLISHED","title":"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()`: {% hi","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.","publishedAt":"2018-08-15T18:00:00.000Z","updatedAt":"2024-08-05T09:38:13.975Z","severity":null,"assigner":"mitre","products":["n/a n/a"],"affected":[{"vendor":"n/a","product":"n/a","versions":[{"version":"n/a","status":"affected"}]}],"references":["https://www.yubico.com/support/security-advisories/ysa-2018-03/","https://www.x41-dsec.de/lab/advisories/x41-2018-001-Yubico-Piv/","http://www.openwall.com/lists/oss-security/2018/08/14/2","https://usn.ubuntu.com/4276-1/"],"weaknesses":[],"ingestedAt":"2026-10-29T19:44:20.464Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2018/14xxx/CVE-2018-14780.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2018-14780","state":"PUBLISHED","datePublished":"2018-08-15T18:00:00.000Z","dateUpdated":"2024-08-05T09:38:13.975Z","assignerShortName":"mitre","assignerOrgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca","dateReserved":"2018-08-01T00:00:00.000Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"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."}],"affected":[{"vendor":"n/a","product":"n/a","versions":[{"version":"n/a","status":"affected"}]}],"references":[{"url":"https://www.yubico.com/support/security-advisories/ysa-2018-03/","tags":["x_refsource_CONFIRM"]},{"url":"https://www.x41-dsec.de/lab/advisories/x41-2018-001-Yubico-Piv/","tags":["x_refsource_MISC"]},{"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 Piv","tags":["mailing-list","x_refsource_MLIST"]},{"url":"https://usn.ubuntu.com/4276-1/","name":"USN-4276-1","tags":["vendor-advisory","x_refsource_UBUNTU"]}],"problemTypes":[{"descriptions":[{"description":"n/a","lang":"en","type":"text"}]}],"providerMetadata":{"shortName":"mitre","dateUpdated":"2020-02-25T03:06:21.000Z","orgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca"},"datePublic":"2018-08-11T00:00:00.000Z","x_legacyV4Record":{"CVE_data_meta":{"ASSIGNER":"cve@mitre.org","ID":"CVE-2018-14780","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":"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. 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