virtualenv.py in virtualenv before 1.5 allows local users to overwrite arbitrary files via a symlink attack on a certain file in /tmp/.
lists.fedoraproject.org/pipermail/package-announce/2012-January/071638.html
lists.fedoraproject.org/pipermail/package-announce/2012-January/071643.html
openwall.com/lists/oss-security/2011/12/19/2
openwall.com/lists/oss-security/2011/12/19/4
openwall.com/lists/oss-security/2011/12/19/5
github.com/pypa/virtualenv
github.com/pypa/virtualenv/commit/68075ad9ededf7df2c46d385f836c13b729de2ca
nvd.nist.gov/vuln/detail/CVE-2011-4617
web.archive.org/web/20200228151935/https://bitbucket.org/ianb/virtualenv/commits/8be37c509fe5