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Issue #16041: CVE-2013-1752: poplib: Limit maximum line lengths to 2048 to

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prevent readline() calls from consuming too much memory.  Patch by Jyrki
Pulliainen.
This commit is contained in:
Georg Brandl 2013-10-27 07:23:53 +01:00
parent 72c98d3a76
commit 7e27abbb39
3 changed files with 19 additions and 2 deletions
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6
Lib/test/test_poplib.py
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@ -83,7 +83,7 @@ class DummyPOP3Handler(asynchat.async_chat):
def cmd_list(self, arg):
if arg:
self.push('+OK %s %s' %(arg, arg))
self.push('+OK %s %s' % (arg, arg))
else:
self.push('+OK')
asynchat.async_chat.push(self, LIST_RESP)
@ -208,6 +208,10 @@ class TestPOP3Class(TestCase):
foo = self.client.retr('foo')
self.assertEqual(foo, expected)
def test_too_long_lines(self):
self.assertRaises(poplib.error_proto, self.client._shortcmd,
'echo +%s' % ((poplib._MAXLINE + 10) * 'a'))
def test_dele(self):
self.assertOK(self.client.dele('foo'))