Subject: [ASA-201612-12] python2-html5lib: cross-site scripting

Arch Linux Security Advisory ASA-201612-12
==========================================

Severity: Low
Date    : 2016-12-12
CVE-ID  : CVE-2016-9909 CVE-2016-9910
Package : python2-html5lib
Type    : cross-site scripting
Remote  : Yes
Link    : https://security.archlinux.org/AVG-100

Summary
=======

The package python2-html5lib before version 0.999999999-1 is vulnerable
to cross-site scripting.

Resolution
==========

Upgrade to 0.999999999-1.

# pacman -Syu "python2-html5lib>=0.999999999-1"

The problems have been fixed upstream in version 0.999999999.

Workaround
==========

None.

Description
===========

- CVE-2016-9909 (cross-site scripting)

A potential cross site scripting vulnerability was found in python-
html5lib due to unquoted attributes that need escaping in legacy
browsers.

- CVE-2016-9910 (cross-site scripting)

A potential cross site scripting vulnerability was found in python-
html5lib due to unquoted attributes that need escaping in legacy
browsers.

Impact
======

A remote attacker is able to execute arbitrary javascript in certain
legacy browsers.

References
==========

http://www.openwall.com/lists/oss-security/2016/12/06/5
https://github.com/html5lib/html5lib-python/issues/11
https://github.com/html5lib/html5lib-python/issues/12
https://security.archlinux.org/CVE-2016-9909
https://security.archlinux.org/CVE-2016-9910