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authorRobin H. Johnson <robbat2@gentoo.org>2015-08-08 13:49:04 -0700
committerRobin H. Johnson <robbat2@gentoo.org>2015-08-08 17:38:18 -0700
commit56bd759df1d0c750a065b8c845e93d5dfa6b549d (patch)
tree3f91093cdb475e565ae857f1c5a7fd339e2d781e /net-dns/djbdns/files/CVE2008-4392_0002-dnscache-cache-soa-records-ipv6.patch
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proj/gentoo: Initial commit
This commit represents a new era for Gentoo: Storing the gentoo-x86 tree in Git, as converted from CVS. This commit is the start of the NEW history. Any historical data is intended to be grafted onto this point. Creation process: 1. Take final CVS checkout snapshot 2. Remove ALL ChangeLog* files 3. Transform all Manifests to thin 4. Remove empty Manifests 5. Convert all stale $Header$/$Id$ CVS keywords to non-expanded Git $Id$ 5.1. Do not touch files with -kb/-ko keyword flags. Signed-off-by: Robin H. Johnson <robbat2@gentoo.org> X-Thanks: Alec Warner <antarus@gentoo.org> - did the GSoC 2006 migration tests X-Thanks: Robin H. Johnson <robbat2@gentoo.org> - infra guy, herding this project X-Thanks: Nguyen Thai Ngoc Duy <pclouds@gentoo.org> - Former Gentoo developer, wrote Git features for the migration X-Thanks: Brian Harring <ferringb@gentoo.org> - wrote much python to improve cvs2svn X-Thanks: Rich Freeman <rich0@gentoo.org> - validation scripts X-Thanks: Patrick Lauer <patrick@gentoo.org> - Gentoo dev, running new 2014 work in migration X-Thanks: Michał Górny <mgorny@gentoo.org> - scripts, QA, nagging X-Thanks: All of other Gentoo developers - many ideas and lots of paint on the bikeshed
Diffstat (limited to 'net-dns/djbdns/files/CVE2008-4392_0002-dnscache-cache-soa-records-ipv6.patch')
-rw-r--r--net-dns/djbdns/files/CVE2008-4392_0002-dnscache-cache-soa-records-ipv6.patch68
1 files changed, 68 insertions, 0 deletions
diff --git a/net-dns/djbdns/files/CVE2008-4392_0002-dnscache-cache-soa-records-ipv6.patch b/net-dns/djbdns/files/CVE2008-4392_0002-dnscache-cache-soa-records-ipv6.patch
new file mode 100644
index 000000000000..d5b9c10d64d3
--- /dev/null
+++ b/net-dns/djbdns/files/CVE2008-4392_0002-dnscache-cache-soa-records-ipv6.patch
@@ -0,0 +1,68 @@
+diff -urNp a/query.c b/query.c
+--- a/query.c 2009-03-19 11:35:28.452472164 -0700
++++ b/query.c 2009-03-19 11:59:19.798221593 -0700
+@@ -476,6 +476,29 @@ static int doit(struct query *z,int stat
+ }
+ }
+
++ if (typematch(DNS_T_SOA,dtype)) {
++ byte_copy(key,2,DNS_T_SOA);
++ cached = cache_get(key,dlen + 2,&cachedlen,&ttl);
++ if (cached && (cachedlen || byte_diff(dtype,2,DNS_T_ANY))) {
++ log_cachedanswer(d,DNS_T_SOA);
++ if (!rqa(z)) goto DIE;
++ pos = 0;
++ while (pos = dns_packet_copy(cached,cachedlen,pos,misc,20)) {
++ pos = dns_packet_getname(cached,cachedlen,pos,&t2);
++ if (!pos) break;
++ pos = dns_packet_getname(cached,cachedlen,pos,&t3);
++ if (!pos) break;
++ if (!response_rstart(d,DNS_T_SOA,ttl)) goto DIE;
++ if (!response_addname(t2)) goto DIE;
++ if (!response_addname(t3)) goto DIE;
++ if (!response_addbytes(misc,20)) goto DIE;
++ response_rfinish(RESPONSE_ANSWER);
++ }
++ cleanup(z);
++ return 1;
++ }
++ }
++
+ if (typematch(DNS_T_A,dtype)) {
+ byte_copy(key,2,DNS_T_A);
+ cached = cache_get(key,dlen + 2,&cachedlen,&ttl);
+@@ -541,7 +564,7 @@ static int doit(struct query *z,int stat
+ }
+ }
+
+- if (!typematch(DNS_T_ANY,dtype) && !typematch(DNS_T_AXFR,dtype) && !typematch(DNS_T_CNAME,dtype) && !typematch(DNS_T_NS,dtype) && !typematch(DNS_T_PTR,dtype) && !typematch(DNS_T_A,dtype) && !typematch(DNS_T_MX,dtype) && !typematch(DNS_T_AAAA,dtype)) {
++ if (!typematch(DNS_T_ANY,dtype) && !typematch(DNS_T_AXFR,dtype) && !typematch(DNS_T_CNAME,dtype) && !typematch(DNS_T_NS,dtype) && !typematch(DNS_T_PTR,dtype) && !typematch(DNS_T_A,dtype) && !typematch(DNS_T_MX,dtype) && !typematch(DNS_T_SOA,dtype) && !typematch(DNS_T_AAAA,dtype)) {
+ byte_copy(key,2,dtype);
+ cached = cache_get(key,dlen + 2,&cachedlen,&ttl);
+ if (cached && (cachedlen || byte_diff(dtype,2,DNS_T_ANY))) {
+@@ -769,15 +792,24 @@ static int doit(struct query *z,int stat
+ else if (byte_equal(type,2,DNS_T_AXFR))
+ ;
+ else if (byte_equal(type,2,DNS_T_SOA)) {
++ int non_authority = 0;
++ save_start();
+ while (i < j) {
+ pos = dns_packet_skipname(buf,len,records[i]); if (!pos) goto DIE;
+ pos = dns_packet_getname(buf,len,pos + 10,&t2); if (!pos) goto DIE;
+ pos = dns_packet_getname(buf,len,pos,&t3); if (!pos) goto DIE;
+ pos = dns_packet_copy(buf,len,pos,misc,20); if (!pos) goto DIE;
+- if (records[i] < posauthority)
++ if (records[i] < posauthority) {
+ log_rrsoa(whichserver,t1,t2,t3,misc,ttl);
++ save_data(misc,20);
++ save_data(t2,dns_domain_length(t2));
++ save_data(t3,dns_domain_length(t3));
++ non_authority++;
++ }
+ ++i;
+ }
++ if (non_authority)
++ save_finish(DNS_T_SOA,t1,ttl);
+ }
+ else if (byte_equal(type,2,DNS_T_CNAME)) {
+ pos = dns_packet_skipname(buf,len,records[j - 1]); if (!pos) goto DIE;