Blame SOURCES/mailman-2.1.15-CVE-2015-2775.patch
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=== modified file 'Mailman/Defaults.py.in'
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--- a/Mailman/Defaults.py.in 2015-02-13 18:41:28 +0000
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+++ b/Mailman/Defaults.py.in 2015-03-27 18:10:39 +0000
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@@ -138,7 +138,7 @@
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# A Python regular expression character class which defines the characters
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# allowed in list names. Lists cannot be created with names containing any
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-# character that doesn't match this class.
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+# character that doesn't match this class. Do not include '/' in this list.
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ACCEPTABLE_LISTNAME_CHARACTERS = '[-+_.=a-z0-9]'
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=== modified file 'Mailman/Utils.py'
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--- a/Mailman/Utils.py 2015-01-23 23:50:47 +0000
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+++ b/Mailman/Utils.py 2015-03-27 18:14:06 +0000
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@@ -100,6 +100,12 @@
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#
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# The former two are for 2.1alpha3 and beyond, while the latter two are
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# for all earlier versions.
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+ #
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+ # But first ensure the list name doesn't contain a path traversal
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+ # attack.
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+ if len(re.sub(mm_cfg.ACCEPTABLE_LISTNAME_CHARACTERS, '', listname)) > 0:
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+ syslog('mischief', 'Hostile listname: %s', listname)
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+ return False
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basepath = Site.get_listpath(listname)
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for ext in ('.pck', '.pck.last', '.db', '.db.last'):
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dbfile = os.path.join(basepath, 'config' + ext)
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