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Ensure that the client's proposed DH-GEX max value is at
 least as big as the minimum the server will accept.  ok djm@

Upstream-ID: b4b84fa04aab2de7e79a6fee4a6e1c189c0fe775
This commit is contained in:
dtucker@openbsd.org 2016-05-31 23:46:14 +00:00 committed by Damien Miller
parent df820722e4
commit 564cd2a892
1 changed files with 2 additions and 2 deletions
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4
kexgexs.c
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@ -1,4 +1,4 @@
/* $OpenBSD: kexgexs.c,v 1.26 2015/12/04 16:41:28 markus Exp $ */
/* $OpenBSD: kexgexs.c,v 1.27 2016/05/31 23:46:14 dtucker Exp $ */
/*
* Copyright (c) 2000 Niels Provos. All rights reserved.
* Copyright (c) 2001 Markus Friedl. All rights reserved.
@ -89,7 +89,7 @@ input_kex_dh_gex_request(int type, u_int32_t seq, void *ctxt)
nbits = MIN(DH_GRP_MAX, nbits);
if (kex->max < kex->min || kex->nbits < kex->min ||
kex->max < kex->nbits) {
kex->max < kex->nbits || kex->max < DH_GRP_MIN) {
r = SSH_ERR_DH_GEX_OUT_OF_RANGE;
goto out;
}