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Fix OOB access

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This commit is contained in:
Eric Blankenhorn
2020-05-28 14:14:19 -05:00
parent e388885407
commit 233a5ca6b8
1 changed files with 1 additions and 1 deletions
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wolfcrypt/src/rsa.c
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@ -1596,7 +1596,7 @@ static int RsaUnPad(const byte *pkcsBlock, unsigned int pkcsBlockLen,
byte invalid = 0; byte invalid = 0;
#endif #endif
if (output == NULL || pkcsBlockLen == 0 || pkcsBlockLen > 0xFFFF) { if (output == NULL || pkcsBlockLen < 2 || pkcsBlockLen > 0xFFFF) {
return BAD_FUNC_ARG; return BAD_FUNC_ARG;
} }