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Fixed possible buffer overflow in wc_DerToPemEx.

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This commit is contained in:
Martin Kinčl
2019-05-17 19:23:55 +02:00
parent c85eae1322
commit be65e31cdc
1 changed files with 2 additions and 2 deletions
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4
wolfcrypt/src/asn.c
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@ -8909,9 +8909,9 @@ int wc_DerToPemEx(const byte* der, word32 derSz, byte* output, word32 outSz,
/* build header and footer based on type */
XSTRNCPY(header, headerStr, headerLen - 1);
header[headerLen - 1] = 0;
header[headerLen - 2] = 0;
XSTRNCPY(footer, footerStr, footerLen - 1);
footer[footerLen - 1] = 0;
footer[footerLen - 2] = 0;
/* add new line to end */
XSTRNCAT(header, "\n", 2);