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| author | dougb <dougb@FreeBSD.org> | 2011-05-28 00:21:28 +0000 |
|---|---|---|
| committer | dougb <dougb@FreeBSD.org> | 2011-05-28 00:21:28 +0000 |
| commit | ced7835c06b507528a27a1ef54de7f2533a2200c (patch) | |
| tree | b74697c394b9c5dace073b5174bc5cb33161ac8b /contrib/bind9/lib/dns/ncache.c | |
| parent | f187cb5ae2a428062327dc2d4300a55564e91ed0 (diff) | |
| download | FreeBSD-src-ced7835c06b507528a27a1ef54de7f2533a2200c.zip FreeBSD-src-ced7835c06b507528a27a1ef54de7f2533a2200c.tar.gz | |
Upgrade to 9.6-ESV-R4-P1, which address the following issues:
1. Very large RRSIG RRsets included in a negative cache can trigger
an assertion failure that will crash named (BIND 9 DNS) due to an
off-by-one error in a buffer size check.
This bug affects all resolving name servers, whether DNSSEC validation
is enabled or not, on all BIND versions prior to today. There is a
possibility of malicious exploitation of this bug by remote users.
2. Named could fail to validate zones listed in a DLV that validated
insecure without using DLV and had DS records in the parent zone.
Add a patch provided by ru@ and confirmed by ISC to fix a crash at
shutdown time when a SIG(0) key is being used.
Diffstat (limited to 'contrib/bind9/lib/dns/ncache.c')
| -rw-r--r-- | contrib/bind9/lib/dns/ncache.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/contrib/bind9/lib/dns/ncache.c b/contrib/bind9/lib/dns/ncache.c index 5f24683..cfa4783 100644 --- a/contrib/bind9/lib/dns/ncache.c +++ b/contrib/bind9/lib/dns/ncache.c @@ -15,7 +15,7 @@ * PERFORMANCE OF THIS SOFTWARE. */ -/* $Id: ncache.c,v 1.43.48.7 2010-05-19 09:53:46 marka Exp $ */ +/* $Id: ncache.c,v 1.43.48.7.6.1 2011-05-27 00:19:19 each Exp $ */ /*! \file */ @@ -186,7 +186,7 @@ dns_ncache_addoptout(dns_message_t *message, dns_db_t *cache, */ isc_buffer_availableregion(&buffer, &r); - if (r.length < 2) + if (r.length < 3) return (ISC_R_NOSPACE); isc_buffer_putuint16(&buffer, rdataset->type); |
