diff options
Diffstat (limited to 'src/resolve/resolved-dns-dnssec.c')
| -rw-r--r-- | src/resolve/resolved-dns-dnssec.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/src/resolve/resolved-dns-dnssec.c b/src/resolve/resolved-dns-dnssec.c index a18ae56b9e..6f0f8f837e 100644 --- a/src/resolve/resolved-dns-dnssec.c +++ b/src/resolve/resolved-dns-dnssec.c @@ -548,6 +548,11 @@ int dnssec_verify_rrset( r = dns_name_suffix(DNS_RESOURCE_KEY_NAME(key), rrsig->rrsig.labels, &source); if (r < 0) return r; + if (r > 0 && !dns_type_may_wildcard(rrsig->rrsig.type_covered)) { + /* We refuse to validate NSEC3 or SOA RRs that are synthesized from wildcards */ + *result = DNSSEC_INVALID; + return 0; + } if (r == 1) { /* If we stripped a single label, then let's see if that maybe was "*". If so, we are not really * synthesized from a wildcard, we are the wildcard itself. Treat that like a normal name. */ |