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 /auth | |
| 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 'auth')
| -rw-r--r-- | auth/gensec/gensec_util.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/auth/gensec/gensec_util.c b/auth/gensec/gensec_util.c index 20c9c2a1fbb..e185acc0c20 100644 --- a/auth/gensec/gensec_util.c +++ b/auth/gensec/gensec_util.c @@ -76,7 +76,7 @@ NTSTATUS gensec_generate_session_info_pac(TALLOC_CTX *mem_ctx, static bool gensec_gssapi_check_oid(const DATA_BLOB *blob, const char *oid) { bool ret = false; - struct asn1_data *data = asn1_init(NULL); + struct asn1_data *data = asn1_init(NULL, ASN1_MAX_TREE_DEPTH); if (!data) return false; |