diff options
author | Gary Lockyer <gary@catalyst.net.nz> | 2020-04-03 12:18:03 +1300 |
---|---|---|
committer | Gary Lockyer <gary@samba.org> | 2020-05-04 02:59:31 +0000 |
commit | f467727db5ff6a6e58d9b590e4d443a1d974b679 (patch) | |
tree | 9269acc0655bcfee4676215c85f8c2ad79ef2744 /libcli/ldap | |
parent | 62621bd686a91328ae378cd56f9876c66be8eac4 (diff) | |
download | samba-f467727db5ff6a6e58d9b590e4d443a1d974b679.tar.gz |
CVE-2020-10704: lib util asn1: Add ASN.1 max tree depth
Add maximum parse tree depth to the call to asn1_init, which will be
used to limit the depth of the ASN.1 parse tree.
Credit to OSS-Fuzz
REF: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=20454
BUG: https://bugzilla.samba.org/show_bug.cgi?id=14334
Signed-off-by: Gary Lockyer <gary@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Diffstat (limited to 'libcli/ldap')
-rw-r--r-- | libcli/ldap/ldap_message.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/libcli/ldap/ldap_message.c b/libcli/ldap/ldap_message.c index f21598374a1..ba82bddeab1 100644 --- a/libcli/ldap/ldap_message.c +++ b/libcli/ldap/ldap_message.c @@ -390,7 +390,7 @@ _PUBLIC_ bool ldap_encode(struct ldap_message *msg, const struct ldap_control_handler *control_handlers, DATA_BLOB *result, TALLOC_CTX *mem_ctx) { - struct asn1_data *data = asn1_init(mem_ctx); + struct asn1_data *data = asn1_init(mem_ctx, ASN1_MAX_TREE_DEPTH); int i, j; if (!data) return false; |