The remote SVN views functionality (lib/vclib/svn/svn_ra.py) in ViewVC before 1.1.15 does not properly perform authorization, which allows remote attackers to bypass intended access restrictions via unspecified vectors.
osvdb.org/83225
viewvc.tigris.org/issues/show_bug.cgi?id=353
viewvc.tigris.org/source/browse/%2Acheckout%2A/viewvc/tags/1.1.15/CHANGES
viewvc.tigris.org/source/browse/viewvc?view=rev&revision=2755
viewvc.tigris.org/source/browse/viewvc?view=rev&revision=2756
viewvc.tigris.org/source/browse/viewvc?view=rev&revision=2757
viewvc.tigris.org/source/browse/viewvc?view=rev&revision=2759
viewvc.tigris.org/source/browse/viewvc?view=rev&revision=2760
www.debian.org/security/2012/dsa-2563
www.mandriva.com/security/advisories?name=MDVSA-2013:134
www.openwall.com/lists/oss-security/2012/06/25/8
www.securityfocus.com/bid/54197
exchange.xforce.ibmcloud.com/vulnerabilities/76614
lwn.net/Articles/505096/
wiki.mageia.org/en/Support/Advisories/MGASA-2012-0175