bind9.16/bind-9.16-CVE-2023-4408-test2.patch
Petr Menšík b038cc79ce Import tests for large DNS messages fix
Tests part of fixes of CVE-2023-4408.

Related: RHEL-25348
; Related: CVE-2023-4408
2024-02-21 20:57:49 +01:00

76 lines
3.0 KiB
Diff

From aa1b0fc4b24d26233db30c85ae3609e54e9fa6d2 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ond=C5=99ej=20Sur=C3=BD?= <ondrej@isc.org>
Date: Sun, 11 Feb 2024 09:13:43 +0100
Subject: [PATCH] Add a system test for mixed-case data for the same owner
We were missing a test where a single owner name would have multiple
types with a different case. The generated RRSIGs and NSEC records will
then have different case than the signed records and message parser have
to cope with that and treat everything as the same owner.
(cherry picked from commit a114042059ecbbc94ae0f604ca681323a75af480)
(cherry picked from upstream commit b9c10a194da3358204f5ba7d91e55332db435614)
---
bin/tests/system/dnssec/ns3/secure.example.db.in | 5 +++++
bin/tests/system/dnssec/ns3/sign.sh | 4 +++-
bin/tests/system/dnssec/tests.sh | 15 +++++++++++++++
3 files changed, 23 insertions(+), 1 deletion(-)
diff --git a/bin/tests/system/dnssec/ns3/secure.example.db.in b/bin/tests/system/dnssec/ns3/secure.example.db.in
index 27f2b24..599566e 100644
--- a/bin/tests/system/dnssec/ns3/secure.example.db.in
+++ b/bin/tests/system/dnssec/ns3/secure.example.db.in
@@ -45,3 +45,8 @@ rrsigonly A 10.0.0.29
cnameandkey CNAME @
cnamenokey CNAME @
dnameandkey DNAME @
+
+mixedcase A 10.0.0.30
+mixedCASE TXT "mixed case"
+MIXEDcase AAAA 2002::
+mIxEdCaSe LOC 37 52 56.788 N 121 54 55.02 W 1120m 10m 100m 10m
diff --git a/bin/tests/system/dnssec/ns3/sign.sh b/bin/tests/system/dnssec/ns3/sign.sh
index 80d412e..d94f382 100644
--- a/bin/tests/system/dnssec/ns3/sign.sh
+++ b/bin/tests/system/dnssec/ns3/sign.sh
@@ -86,7 +86,9 @@ keyname=$("$KEYGEN" -q -a "$DEFAULT_ALGORITHM" -b "$DEFAULT_BITS" -n zone "$zone
cat "$infile" "$cnameandkey.key" "$dnameandkey.key" "$keyname.key" > "$zonefile"
-"$SIGNER" -P -o "$zone" "$zonefile" > /dev/null
+"$SIGNER" -P -D -o "$zone" "$zonefile" >/dev/null
+cat "$zonefile" "$zonefile".signed >"$zonefile".tmp
+mv "$zonefile".tmp "$zonefile".signed
zone=bogus.example.
infile=bogus.example.db.in
diff --git a/bin/tests/system/dnssec/tests.sh b/bin/tests/system/dnssec/tests.sh
index fe95c8d..0c03970 100644
--- a/bin/tests/system/dnssec/tests.sh
+++ b/bin/tests/system/dnssec/tests.sh
@@ -762,6 +762,21 @@ n=$((n+1))
test "$ret" -eq 0 || echo_i "failed"
status=$((status+ret))
+echo_i "checking mixed-case positive validation ($n)"
+ret=0
+for type in a txt aaaa loc; do
+ dig_with_opts +noauth mixedcase.secure.example. \
+ @10.53.0.3 $type >dig.out.$type.ns3.test$n || ret=1
+ dig_with_opts +noauth mixedcase.secure.example. \
+ @10.53.0.4 $type >dig.out.$type.ns4.test$n || ret=1
+ digcomp --lc dig.out.$type.ns3.test$n dig.out.$type.ns4.test$n || ret=1
+ grep "status: NOERROR" dig.out.$type.ns4.test$n >/dev/null || ret=1
+ grep "flags:.*ad.*QUERY" dig.out.$type.ns4.test$n >/dev/null || ret=1
+done
+n=$((n + 1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status + ret))
+
echo_i "checking multi-stage positive validation NSEC/NSEC3 ($n)"
ret=0
dig_with_opts +noauth a.nsec3.example. \
--
2.43.0