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Red Hat Bugzilla – Attachment 899870 Details for
Bug 1101932
CVE-2014-3466 gnutls: insufficient session id length check in _gnutls_read_server_hello (GNUTLS-SA-2014-3)
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[patch]
Patch from Nikos Mavrogiannopoulos
read_server_hello-session_id_len.diff (text/plain), 444 bytes, created by
Tomas Hoger
on 2014-05-28 08:14:20 UTC
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Description:
Patch from Nikos Mavrogiannopoulos
Filename:
MIME Type:
Creator:
Tomas Hoger
Created:
2014-05-28 08:14:20 UTC
Size:
444 bytes
patch
obsolete
>diff --git a/lib/gnutls_handshake.c b/lib/gnutls_handshake.c >index 50a202c..d63b979 100644 >--- a/lib/gnutls_handshake.c >+++ b/lib/gnutls_handshake.c >@@ -1749,7 +1749,7 @@ read_server_hello(gnutls_session_t session, > DECR_LEN(len, 1); > session_id_len = data[pos++]; > >- if (len < session_id_len) { >+ if (len < session_id_len || session_id_len > TLS_MAX_SESSION_ID_SIZE) { > gnutls_assert(); > return GNUTLS_E_UNSUPPORTED_VERSION_PACKET; > }
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