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bind: update to latest LTS 9.11.5

Browse Source 
Source: bind.org
MR: 99750
Type: Security Fix
Disposition: Backport from bind.org
ChangeID: bca5c436229f1b8c7e8eb3e45fc6188ffdb5e224
Description:

includes:
CVE-2018-5738

drop patch for CVE-2018-5740 now included in update

see: https://ftp.isc.org/isc/bind9/9.11.5/RELEASE-NOTES-bind-9.11.5.html

Add RECIPE_NO_UPDATE_REASON for lts

(From OE-Core rev: 25b2f2c6fc67eabb0e7f0b7c5ffe08c554613c10)

Signed-off-by: Armin Kuster <akuster808@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
[Also includes CVE-2018-5740]
Signed-off-by: Armin Kuster <akuster@mvista.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Armin Kuster
2019-09-04 22:44:12 -07:00
committed by Richard Purdie
parent 176dc6eb01
commit 3d3a165925
2 changed files with 3 additions and 75 deletions
Download Patch File Download Diff File Expand all files Collapse all files

72
meta/recipes-connectivity/bind/bind/CVE-2018-5740.patch
View File

@@ -1,72 +0,0 @@
Upstream-Status: Backport [https://ftp.isc.org/isc/bind9/9.11.4-P1/patches/CVE-2018-5740]
CVE: CVE-2018-5740
Signed-off-by: Changqing Li <changqing.li@windriver.com>
diff --git a/CHANGES b/CHANGES
index 750b600..3d8d655 100644
--- a/CHANGES
+++ b/CHANGES
@@ -1,3 +1,9 @@
+ --- 9.11.4-P1 released ---
+
+4997. [security] named could crash during recursive processing
+ of DNAME records when "deny-answer-aliases" was
+ in use. (CVE-2018-5740) [GL #387]
+
--- 9.11.4 released ---
--- 9.11.4rc2 released ---
diff --git a/lib/dns/resolver.c b/lib/dns/resolver.c
index 8f674a2..41d1385 100644
--- a/lib/dns/resolver.c
+++ b/lib/dns/resolver.c
@@ -6318,6 +6318,7 @@ is_answertarget_allowed(fetchctx_t *fctx, dns_name_t *qname, dns_name_t *rname,
unsigned int nlabels;
dns_fixedname_t fixed;
dns_name_t prefix;
+ int order;
REQUIRE(rdataset != NULL);
REQUIRE(rdataset->type == dns_rdatatype_cname ||
@@ -6340,17 +6341,25 @@ is_answertarget_allowed(fetchctx_t *fctx, dns_name_t *qname, dns_name_t *rname,
tname = &cname.cname;
break;
case dns_rdatatype_dname:
+ if (dns_name_fullcompare(qname, rname, &order, &nlabels) !=
+ dns_namereln_subdomain)
+ {
+ return (ISC_TRUE);
+ }
result = dns_rdata_tostruct(&rdata, &dname, NULL);
RUNTIME_CHECK(result == ISC_R_SUCCESS);
dns_name_init(&prefix, NULL);
tname = dns_fixedname_initname(&fixed);
- nlabels = dns_name_countlabels(qname) -
- dns_name_countlabels(rname);
+ nlabels = dns_name_countlabels(rname);
dns_name_split(qname, nlabels, &prefix, NULL);
result = dns_name_concatenate(&prefix, &dname.dname, tname,
NULL);
- if (result == DNS_R_NAMETOOLONG)
+ if (result == DNS_R_NAMETOOLONG) {
+ if (chainingp != NULL) {
+ *chainingp = ISC_TRUE;
+ }
return (ISC_TRUE);
+ }
RUNTIME_CHECK(result == ISC_R_SUCCESS);
break;
default:
@@ -7071,7 +7080,9 @@ answer_response(fetchctx_t *fctx) {
}
if ((ardataset->type == dns_rdatatype_cname ||
ardataset->type == dns_rdatatype_dname) &&
- !is_answertarget_allowed(fctx, qname, aname, ardataset,
+ type != ardataset->type &&
+ type != dns_rdatatype_any &&
+ !is_answertarget_allowed(fctx, qname, aname, ardataset,
NULL))
{
return (DNS_R_SERVFAIL);

6
meta/recipes-connectivity/bind/bind_9.11.4.bb → meta/recipes-connectivity/bind/bind_9.11.5.bb
View File

@@ -20,14 +20,14 @@ SRC_URI = "https://ftp.isc.org/isc/bind9/${PV}/${BPN}-${PV}.tar.gz \
file://0001-configure.in-remove-useless-L-use_openssl-lib.patch \
file://0001-named-lwresd-V-and-start-log-hide-build-options.patch \
file://0001-avoid-start-failure-with-bind-user.patch \
file://CVE-2018-5740.patch \
"
SRC_URI[md5sum] = "9b4834d78f30cdb796ce437262272a36"
SRC_URI[sha256sum] = "595070b031f869f8939656b5a5d11b121211967f15f6afeafa895df745279617"
SRC_URI[md5sum] = "17a0d02102117c9a221e857cf2cc8157"
SRC_URI[sha256sum] = "a4cae11dad954bdd4eb592178f875bfec09fcc7e29fe0f6b7a4e5b5c6bc61322"
UPSTREAM_CHECK_URI = "https://ftp.isc.org/isc/bind9/"
UPSTREAM_CHECK_REGEX = "(?P<pver>9(\.\d+)+(-P\d+)*)/"
RECIPE_NO_UPDATE_REASON = "9.11 is LTS 2021"
inherit autotools update-rc.d systemd useradd pkgconfig multilib_script