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authorRich Salz <rsalz@openssl.org>2017-06-08 16:05:52 -0400
committerRich Salz <rsalz@openssl.org>2017-06-08 16:05:52 -0400
commit0b20ad127ce86b05a854f31d51d91312c86ccc74 (patch)
treebc81573f6bcb9d5b61dc3e324b76bfe8e8417a41
parent135976b3dd24e674c202c20b5746fc04ebb1fc1a (diff)
downloadopenssl-0b20ad127ce86b05a854f31d51d91312c86ccc74.tar.gz
Fix a read off the end of the input buffer
when building with OPENSSL_SMALL_FOOTPRINT defined. Reviewed-by: Tim Hudson <tjh@openssl.org> Reviewed-by: Rich Salz <rsalz@openssl.org> (Merged from https://github.com/openssl/openssl/pull/3533)
-rw-r--r--crypto/whrlpool/wp_dgst.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/crypto/whrlpool/wp_dgst.c b/crypto/whrlpool/wp_dgst.c
index ed064244fa..6d925517a2 100644
--- a/crypto/whrlpool/wp_dgst.c
+++ b/crypto/whrlpool/wp_dgst.c
@@ -174,7 +174,7 @@ void WHIRLPOOL_BitUpdate(WHIRLPOOL_CTX *c, const void *_inp, size_t bits)
goto reconsider;
} else
#endif
- if (bits >= 8) {
+ if (bits > 8) {
b = ((inp[0] << inpgap) | (inp[1] >> (8 - inpgap)));
b &= 0xff;
if (bitrem)
@@ -191,7 +191,7 @@ void WHIRLPOOL_BitUpdate(WHIRLPOOL_CTX *c, const void *_inp, size_t bits)
}
if (bitrem)
c->data[byteoff] = b << (8 - bitrem);
- } else { /* remaining less than 8 bits */
+ } else { /* remaining less than or equal to 8 bits */
b = (inp[0] << inpgap) & 0xff;
if (bitrem)