Sanity check keylength in PVK files.

PR#2277
This commit is contained in:
Dr. Stephen Henson 2014-07-06 00:32:44 +01:00
parent 75b7606881
commit 5ecf1141a5

View file

@ -759,6 +759,11 @@ static EVP_PKEY *do_PVK_body(const unsigned char **in,
/* Copy BLOBHEADER across, decrypt rest */
memcpy(enctmp, p, 8);
p += 8;
if (keylen < 8)
{
PEMerr(PEM_F_DO_PVK_BODY, PEM_R_PVK_TOO_SHORT);
return NULL;
}
inlen = keylen - 8;
q = enctmp + 8;
if (!EVP_DecryptInit_ex(&cctx, EVP_rc4(), NULL, keybuf, NULL))