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4138. [bug] A uninitialized value in validator.c could result

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in a assertion failure. (CVE-2015-4620) [RT #39795]

(cherry picked from commit a85c6b35af)
This commit is contained in:
Mark Andrews 2015-06-17 09:13:03 +10:00
parent 102554f26f
commit f7d53a6f3b
2 changed files with 7 additions and 6 deletions
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9
CHANGES
View file

@ -1,3 +1,6 @@
4138. [bug] A uninitialized value in validator.c could result
in a assertion failure. (CVE-2015-4620) [RT #39795]
4137. [bug] rndc reconfig reports configuration errors the same
way rndc reload does [RT #39635]
@ -18,7 +21,7 @@
4131. [bug] Addressed further problems with reloading RPZ
zones. [RT #39649]
4130. [bug] The compatability shim for *printf() misprinted some
4130. [bug] The compatibility shim for *printf() misprinted some
large numbers. [RT #39586]
4129. [port] Address API changes in OpenSSL 1.1.0. [RT #39532]
@ -170,7 +173,7 @@
[RT #38056]
4072. [func] Add a --enable-querytrace configure switch for
very verbose query tracelogging. (This option
very verbose query trace logging. (This option
has a negative performance impact and should be
used only for debugging.) [RT #37520]
@ -9205,7 +9208,7 @@
on the responses. [RT #2454]
1208. [bug] dns_master_load*() failed to log a error message if
an error was detected when parsing the ownername of
an error was detected when parsing the owner name of
a record. [RT #2448]
1207. [bug] libbind: getaddrinfo() could call freeaddrinfo() with

4
lib/dns/validator.c
View file

@ -1422,7 +1422,6 @@ compute_keytag(dns_rdata_t *rdata, dns_rdata_dnskey_t *key) {
*/
static isc_boolean_t
isselfsigned(dns_validator_t *val) {
dns_fixedname_t fixed;
dns_rdataset_t *rdataset, *sigrdataset;
dns_rdata_t rdata = DNS_RDATA_INIT;
dns_rdata_t sigrdata = DNS_RDATA_INIT;
@ -1478,8 +1477,7 @@ isselfsigned(dns_validator_t *val) {
result = dns_dnssec_verify3(name, rdataset, dstkey,
ISC_TRUE,
val->view->maxbits,
mctx, &sigrdata,
dns_fixedname_name(&fixed));
mctx, &sigrdata, NULL);
dst_key_free(&dstkey);
if (result != ISC_R_SUCCESS)
continue;