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Issue #14001: CVE-2012-0845: xmlrpc: Fix an endless loop in SimpleXMLRPCServer

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upon malformed POST request.
This commit is contained in:
Charles-François Natali 2012-02-18 14:42:57 +01:00
parent 2f7b286a8c
commit ec1712a166
2 changed files with 7 additions and 1 deletions
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5
Lib/xmlrpc/server.py
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@ -449,7 +449,10 @@ class SimpleXMLRPCRequestHandler(BaseHTTPRequestHandler):
L = [] L = []
while size_remaining: while size_remaining:
chunk_size = min(size_remaining, max_chunk_size) chunk_size = min(size_remaining, max_chunk_size)
L.append(self.rfile.read(chunk_size)) chunk = self.rfile.read(chunk_size)
if not chunk:
break
L.append(chunk)
size_remaining -= len(L[-1]) size_remaining -= len(L[-1])
data = b''.join(L) data = b''.join(L)

3
Misc/NEWS
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@ -13,6 +13,9 @@ Core and Builtins
Library Library
------- -------
- Issue #14001: CVE-2012-0845: xmlrpc: Fix an endless loop in
SimpleXMLRPCServer upon malformed POST request.
- Issue #13885: CVE-2011-3389: the _ssl module would always disable the CBC - Issue #13885: CVE-2011-3389: the _ssl module would always disable the CBC
IV attack countermeasure. IV attack countermeasure.