Subversion 1.4.3 and earlier does not properly implement the "partial access" privilege for users who have access to changed paths but not copied paths, which allows remote authenticated users to obtain sensitive information (revision properties) via svn (1) propget, (2) proplist, or (3) propedit.
https://issues.rpath.com/browse/RPL-1896
http://www.vupen.com/english/advisories/2011/0264
http://www.vupen.com/english/advisories/2007/2230
http://www.ubuntu.com/usn/USN-1053-1
http://www.securityfocus.com/bid/24463
http://subversion.tigris.org/security/CVE-2007-2448-advisory.txt
http://securitytracker.com/id?1018237