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Don't check for a negative SRP extension size

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The size of the SRP extension can never be negative (the variable
|size| is unsigned). Therefore don't check if it is less than zero.

RT#3862

Reviewed-by: Richard Levitte <levitte@openssl.org>
(cherry picked from commit 9c89d29083)
This commit is contained in:
Matt Caswell
2015-05-26 00:05:28 +01:00
parent 9cab86ee0a
commit cdc47dcf19
1 changed files with 1 additions and 1 deletions
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2
ssl/t1_lib.c
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@@ -2120,7 +2120,7 @@ static int ssl_scan_clienthello_tlsext(SSL *s, unsigned char **p,
} }
# ifndef OPENSSL_NO_SRP # ifndef OPENSSL_NO_SRP
else if (type == TLSEXT_TYPE_srp) { else if (type == TLSEXT_TYPE_srp) {
if (size <= 0 || ((len = data[0])) != (size - 1)) { if (size == 0 || ((len = data[0])) != (size - 1)) {
*al = SSL_AD_DECODE_ERROR; *al = SSL_AD_DECODE_ERROR;
return 0; return 0;
} }