annotate test/cmp_helper.py @ 8356:63390dcfcfe9

bug: fix template use of structure with untrusted data Looks like an xSS bug with an early version of the template that was fixed in the code but never in the deployed tracker. It has been a while since this particular construct has been in the classic template which is the base for the tracker. This has been fixed on the deployed tracker as well. reported by 4bug of ChaMd5 Security Team H1 Group
author John Rouillard <rouilj@ieee.org>
date Tue, 08 Jul 2025 10:23:09 -0400
parents 19bd4b413ed6
children
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19bd4b413ed6 be more lenient when comparing string results
Christof Meerwald <cmeerw@cmeerw.org>
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1 class StringFragmentCmpHelper:
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2 def compareStringFragments(self, s, fragments):
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3 """Compare a string agains a list of fragments where a tuple denotes a
19bd4b413ed6 be more lenient when comparing string results
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4 set of alternatives
19bd4b413ed6 be more lenient when comparing string results
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5 """
19bd4b413ed6 be more lenient when comparing string results
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6 pos = 0
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7 for frag in fragments:
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8 if type(frag) != tuple:
19bd4b413ed6 be more lenient when comparing string results
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9 self.assertEqual(s[pos:pos + len(frag)], frag)
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10 pos += len(frag)
19bd4b413ed6 be more lenient when comparing string results
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11 else:
19bd4b413ed6 be more lenient when comparing string results
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12 found = False
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Christof Meerwald <cmeerw@cmeerw.org>
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13 for alt in frag:
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14 if s[pos:pos + len(alt)] == alt:
19bd4b413ed6 be more lenient when comparing string results
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15 pos += len(alt)
19bd4b413ed6 be more lenient when comparing string results
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16 found = True
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17 break
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18
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19 if not found:
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20 l = max(map(len, frag))
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21 raise AssertionError('%s != %s' %
19bd4b413ed6 be more lenient when comparing string results
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22 (repr(s[pos:pos + l]), str(frag)))
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23 self.assertEqual(s[pos:], '')

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