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Don't change version number if session established

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When sending an invalid version number alert don't change the
version number to the client version if a session is already
established.

Thanks to Marek Majkowski for additional analysis of this issue.

PR#3191
This commit is contained in:
Dr. Stephen Henson
2013-12-24 18:17:00 +00:00
parent f6dfbeed3c
commit b77b58a398
2 changed files with 6 additions and 5 deletions
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2
ssl/s3_pkt.c
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@@ -348,7 +348,7 @@ fprintf(stderr, "Record type=%d, Length=%d\n", rr->type, rr->length);
if (version != s->version)
{
SSLerr(SSL_F_SSL3_GET_RECORD,SSL_R_WRONG_VERSION_NUMBER);
if ((s->version & 0xFF00) == (version & 0xFF00))
if ((s->version & 0xFF00) == (version & 0xFF00) && !s->enc_write_ctx && !s->write_hash)
/* Send back error using their minor version number :-) */
s->version = (unsigned short)version;
al=SSL_AD_PROTOCOL_VERSION;