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author | Stefan Metzmacher <metze@samba.org> | 2013-09-25 23:25:12 +0200 |
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committer | Karolin Seeger <kseeger@samba.org> | 2013-12-05 11:11:51 +0100 |
commit | 17667fcf49609a67ce72b6be6f922003db9befdc (patch) | |
tree | db4269161149efa05ca3ba807fd1d84166505b2f | |
parent | 288337429fe8f3a830e592a53b8b12e1a060d299 (diff) | |
download | samba-17667fcf49609a67ce72b6be6f922003db9befdc.tar.gz |
CVE-2013-4408:s4:dcerpc: check for invalid frag_len in ncacn_pull()
Bug: https://bugzilla.samba.org/show_bug.cgi?id=10185
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
-rw-r--r-- | source4/librpc/rpc/dcerpc.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/source4/librpc/rpc/dcerpc.c b/source4/librpc/rpc/dcerpc.c index cc728668667..742d710a822 100644 --- a/source4/librpc/rpc/dcerpc.c +++ b/source4/librpc/rpc/dcerpc.c @@ -658,6 +658,10 @@ static NTSTATUS ncacn_pull(struct dcecli_connection *c, DATA_BLOB *blob, TALLOC_ return ndr_map_error2ntstatus(ndr_err); } + if (pkt->frag_length != blob->length) { + return NT_STATUS_RPC_PROTOCOL_ERROR; + } + return NT_STATUS_OK; } |