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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]
This commit is contained in:
Mark Andrews
2015-06-17 09:13:03 +10:00
parent b7603c3c03
commit a85c6b35af
2 changed files with 8 additions and 7 deletions
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4
lib/dns/validator.c
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@@ -1423,7 +1423,6 @@ 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;
@@ -1479,8 +1478,7 @@ 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;