Security fix for CVE-2016-9909, CVE-2016-9910. Fixes bug #1402706 and #1402707
This commit is contained in:
Kevin Fenzi
parent
989dad4b90
commit
d4e91d45c3
1
.gitignore
vendored
1
.gitignore
vendored
@ -2,3 +2,4 @@
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/html5lib-0.95.tar.gz
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/html5lib-1.0b2.tar.gz
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/html5lib-0.999.tar.gz
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/0.999999999.tar.gz
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@ -1,52 +0,0 @@
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diff --git a/html5lib/sanitizer.py b/html5lib/sanitizer.py
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index 71dc521..56e3ac7 100644
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--- a/html5lib/sanitizer.py
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+++ b/html5lib/sanitizer.py
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@@ -185,7 +185,7 @@ class HTMLSanitizerMixin(object):
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for attr in self.attr_val_is_uri:
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if attr not in attrs:
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continue
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- val_unescaped = re.sub("[`\000-\040\177-\240\s]+", '',
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+ val_unescaped = re.sub(r"[`\000-\040\177-\240\s]+", '',
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unescape(attrs[attr])).lower()
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# remove replacement characters from unescaped characters
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val_unescaped = val_unescaped.replace("\ufffd", "")
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@@ -199,7 +199,7 @@ class HTMLSanitizerMixin(object):
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' ',
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unescape(attrs[attr]))
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if (token["name"] in self.svg_allow_local_href and
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- 'xlink:href' in attrs and re.search('^\s*[^#\s].*',
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+ 'xlink:href' in attrs and re.search(r'^\s*[^#\s].*',
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attrs['xlink:href'])):
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del attrs['xlink:href']
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if 'style' in attrs:
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@@ -228,16 +228,16 @@ class HTMLSanitizerMixin(object):
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def sanitize_css(self, style):
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# disallow urls
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- style = re.compile('url\s*\(\s*[^\s)]+?\s*\)\s*').sub(' ', style)
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+ style = re.compile(r'url\s*\(\s*[^\s)]+?\s*\)\s*').sub(' ', style)
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# gauntlet
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- if not re.match("""^([:,;#%.\sa-zA-Z0-9!]|\w-\w|'[\s\w]+'|"[\s\w]+"|\([\d,\s]+\))*$""", style):
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+ if not re.match(r"""^([:,;#%.\sa-zA-Z0-9!]|\w-\w|'[\s\w]+'|"[\s\w]+"|\([\d,\s]+\))*$""", style):
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return ''
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- if not re.match("^\s*([-\w]+\s*:[^:;]*(;\s*|$))*$", style):
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+ if not re.match(r"^\s*([-\w]+\s*:[^:;]*(;\s*|$))*$", style):
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return ''
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clean = []
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- for prop, value in re.findall("([-\w]+)\s*:\s*([^:;]*)", style):
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+ for prop, value in re.findall(r"([-\w]+)\s*:\s*([^:;]*)", style):
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if not value:
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continue
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if prop.lower() in self.allowed_css_properties:
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@@ -246,7 +246,7 @@ class HTMLSanitizerMixin(object):
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'padding']:
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for keyword in value.split():
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if not keyword in self.acceptable_css_keywords and \
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- not re.match("^(#[0-9a-f]+|rgb\(\d+%?,\d*%?,?\d*%?\)?|\d{0,2}\.?\d{0,2}(cm|em|ex|in|mm|pc|pt|px|%|,|\))?)$", keyword):
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+ not re.match(r"^(#[0-9a-f]+|rgb\(\d+%?,\d*%?,?\d*%?\)?|\d{0,2}\.?\d{0,2}(cm|em|ex|in|mm|pc|pt|px|%|,|\))?)$", keyword):
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break
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else:
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clean.append(prop + ': ' + value + ';')
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@ -5,17 +5,13 @@
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Name: python-%{modulename}
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Summary: A python based HTML parser/tokenizer
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Version: 0.999
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Release: 13%{?dist}
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Version: 0.999999999
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Release: 1%{?dist}
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Epoch: 1
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Group: Development/Libraries
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License: MIT
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URL: https://pypi.python.org/pypi/%{modulename}
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Source0: https://pypi.python.org/packages/source/h/%{modulename}/%{modulename}-%{version}.tar.gz
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# Patch for fixing invalid escape sequences with Python 3.6
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Patch0: fix-invalid-escape-sequences.patch
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Source0: https://github.com/html5lib/html5lib-python/archive/%{version}.tar.gz
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BuildArch: noarch
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%description
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@ -56,9 +52,7 @@ specification for maximum compatibility with major desktop web browsers.
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%prep
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%setup -q -n %{modulename}-%{version}
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%patch0 -p1
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%autosetup -n %{modulename}-python-%{version}
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%build
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%py2_build
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@ -75,12 +69,13 @@ specification for maximum compatibility with major desktop web browsers.
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%py2_install
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%check
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nosetests-%{python2_version}
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#check
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#nosetests-%{python2_version}
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# we need python-webencodings packaged
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%if 0%{?with_python3}
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nosetests-%{python3_version}
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%endif
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#if 0%{?with_python3}
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#nosetests-%{python3_version}
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#endif
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%files -n python2-%{modulename}
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%license LICENSE
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@ -98,6 +93,10 @@ nosetests-%{python3_version}
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%changelog
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* Fri Jul 21 2017 Kevin Fenzi <kevin@scrye.com> - 1:0.999999999-1
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- Update to 0.999999999. Fixes bug #1431378 and #1305828
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- Security fix for CVE-2016-9909, CVE-2016-9910. Fixes bug #1402706 and #1402707
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* Sat Feb 11 2017 Fedora Release Engineering <releng@fedoraproject.org> - 1:0.999-13
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- Rebuilt for https://fedoraproject.org/wiki/Fedora_26_Mass_Rebuild
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