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.
References
Link | Resource |
---|---|
http://www.openwall.com/lists/oss-security/2018/08/14/2 | Mailing List Third Party Advisory |
https://usn.ubuntu.com/4276-1/ | |
https://www.x41-dsec.de/lab/advisories/x41-2018-001-Yubico-Piv/ | Third Party Advisory |
https://www.yubico.com/support/security-advisories/ysa-2018-03/ | Vendor Advisory |
History
No history.
MITRE Information
Status: PUBLISHED
Assigner: mitre
Published: 2018-08-15T18:00:00
Updated: 2020-02-25T03:06:21
Reserved: 2018-08-01T00:00:00
Link: CVE-2018-14780
JSON object: View
NVD Information
Status : Modified
Published: 2018-08-15T18:29:00.887
Modified: 2020-02-25T04:15:11.223
Link: CVE-2018-14780
JSON object: View
Redhat Information
No data.
CWE