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| author | Andrej Gessel <Andrej.Gessel@janztec.com> | 2018-04-06 18:18:33 +0200 |
|---|---|---|
| committer | Stefan Metzmacher <metze@samba.org> | 2018-08-14 17:42:11 +0200 |
| commit | 31a001f2e2f8eadd3e652984e30b7c0cccfe4f1c (patch) | |
| tree | de3521a8fc833516b813fff048b43a0835458c4d /lib | |
| parent | 3e89172fc75d5b2f5d5ec2b7b7efdf3be5c174eb (diff) | |
| download | samba-31a001f2e2f8eadd3e652984e30b7c0cccfe4f1c.tar.gz | |
CVE-2018-1140 Add NULL check for ldb_dn_get_casefold() in ltdb_index_dn_attr()
Signed-off-by: Andrej Gessel <Andrej.Gessel@janztec.com>
Reviewed-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
BUG: https://bugzilla.samba.org/show_bug.cgi?id=13374
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/ldb/ldb_tdb/ldb_index.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/lib/ldb/ldb_tdb/ldb_index.c b/lib/ldb/ldb_tdb/ldb_index.c index fb606124fb4..185da3d91d5 100644 --- a/lib/ldb/ldb_tdb/ldb_index.c +++ b/lib/ldb/ldb_tdb/ldb_index.c @@ -1597,6 +1597,15 @@ static int ltdb_index_dn_attr(struct ldb_module *module, /* work out the index key from the parent DN */ val.data = (uint8_t *)((uintptr_t)ldb_dn_get_casefold(dn)); + if (val.data == NULL) { + const char *dn_str = ldb_dn_get_linearized(dn); + ldb_asprintf_errstring(ldb_module_get_ctx(module), + __location__ + ": Failed to get casefold DN " + "from: %s", + dn_str); + return LDB_ERR_OPERATIONS_ERROR; + } val.length = strlen((char *)val.data); key = ltdb_index_key(ldb, ltdb, attr, &val, NULL, truncation); if (!key) { |