diff options
author | Andrew Bartlett <abartlet@samba.org> | 2019-10-21 12:12:10 +1300 |
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committer | Karolin Seeger <kseeger@samba.org> | 2019-12-03 13:10:21 +0100 |
commit | 678888b41bd07898399b5a66739796b04dbdf33a (patch) | |
tree | 34a5d8da325905b71409af876ba1ebaf18d972a8 | |
parent | 9324b7a9e4ce358832ca882671c25c2afe677121 (diff) | |
download | samba-678888b41bd07898399b5a66739796b04dbdf33a.tar.gz |
CVE-2019-14861: s4-rpc_server: Remove special case for @ in dns_build_tree()
BUG: https://bugzilla.samba.org/show_bug.cgi?id=14138
Signed-off-by: Andrew Bartlett <abartlet@samba.org>
-rw-r--r-- | source4/rpc_server/dnsserver/dnsdata.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/source4/rpc_server/dnsserver/dnsdata.c b/source4/rpc_server/dnsserver/dnsdata.c index 2dc098a64a0..0739ea3f476 100644 --- a/source4/rpc_server/dnsserver/dnsdata.c +++ b/source4/rpc_server/dnsserver/dnsdata.c @@ -801,10 +801,11 @@ struct dns_tree *dns_build_tree(TALLOC_CTX *mem_ctx, const char *name, struct ld goto failed; } - if (strcmp(ptr, "@") == 0) { - base->data = res->msgs[i]; - continue; - } else if (strcasecmp(ptr, name) == 0) { + /* + * This might be the sub-domain in the zone being + * requested, or @ for the root of the zone + */ + if (strcasecmp(ptr, name) == 0) { base->data = res->msgs[i]; continue; } |