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Fix the handling of connection requests on the failover port.

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Previously a connection request from a source that wasn't
listed as a failover peer would cause the server to become
non-responsive.  [ISC-Bugs #22679]
CERT: VU#159528 CVE: CVE-2010-3616
This commit is contained in:
Shawn Routhier
2010-12-13 20:31:08 +00:00
parent 72c446672f
commit 9d97e6445e
2 changed files with 9 additions and 2 deletions
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6
RELNOTES
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@@ -150,6 +150,12 @@ work on other platforms. Please report any problems and suggested fixes to
as a hex list. We shall investigate other ways of displaying time
values more usefully. [ISC-Bugs #22626]
! Fix the handling of connection requests on the failover port.
Previously a connection request from a source that wasn't
listed as a failover peer would cause the server to become
non-responsive. [ISC-Bugs #22679]
CERT: VU#159528 CVE: CVE-2010-3616
Changes since 4.2.0b2
- Add declaration for variable in debug code in alloc.c. [ISC-Bugs #21472]

5
server/failover.c
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@@ -3,7 +3,7 @@
Failover protocol support code... */
/*
* Copyright (c) 2004-2009 by Internet Systems Consortium, Inc. ("ISC")
* Copyright (c) 2004-2010 by Internet Systems Consortium, Inc. ("ISC")
* Copyright (c) 1999-2003 by Internet Software Consortium
*
* Permission to use, copy, modify, and distribute this software for any
@@ -1101,7 +1101,8 @@ isc_result_t dhcp_failover_listener_signal (omapi_object_t *o,
}
if (!state) {
log_info ("failover: listener: no matching state");
return omapi_disconnect ((omapi_object_t *)c, 1);
omapi_disconnect ((omapi_object_t *)c, 1);
return(ISC_R_NOTFOUND);
}
obj = (dhcp_failover_link_t *)0;