The SVN revision view (lib/vclib/svn/svn_repos.py) in ViewVC before 1.1.15 does not properly handle log messages when a readable path is copied from an unreadable path, which allows remote attackers to obtain sensitive information, related to a "log msg leak."
https://wiki.mageia.org/en/Support/Advisories/MGASA-2012-0175
https://lwn.net/Articles/505096/
https://exchange.xforce.ibmcloud.com/vulnerabilities/76615
http://www.securityfocus.com/bid/54199
http://www.openwall.com/lists/oss-security/2012/06/25/8
http://www.mandriva.com/security/advisories?name=MDVSA-2013:134
http://www.debian.org/security/2012/dsa-2563
http://viewvc.tigris.org/source/browse/viewvc?view=rev&revision=2758