Fabric before 1.1.0 allows local users to overwrite arbitrary files via a symlink attack on (1) a /tmp/fab.*.tar file or (2) certain other files in the top level of /tmp/.

References

• https://nvd.nist.gov/vuln/detail/CVE-2011-2185
• https://bugzilla.redhat.com/show_bug.cgi?id=710462
• http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=629003
• http://code.fabfile.org/projects/fabric/files/Fabric-1.1.0.tar.gz
• http://lists.fedoraproject.org/pipermail/package-announce/2011-July/062534.html
• http://www.openwall.com/lists/oss-security/2011/06/03/5
• http://www.openwall.com/lists/oss-security/2011/06/06/12
• fabric/fabric@3445b56
• fabric/fabric@d7470d2