The moddavsvn server in Subversion 1.5.0 through 1.7.19 and 1.8.0 through 1.8.11 allows remote authenticated users to spoof the svn:author property via a crafted v1 HTTP protocol request sequences.
{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_version": "1.8.8-1ubuntu3.2",
            "binary_name": "libapache2-mod-svn"
        },
        {
            "binary_version": "1.8.8-1ubuntu3.2",
            "binary_name": "libapache2-svn"
        },
        {
            "binary_version": "1.8.8-1ubuntu3.2",
            "binary_name": "libsvn-dev"
        },
        {
            "binary_version": "1.8.8-1ubuntu3.2",
            "binary_name": "libsvn-java"
        },
        {
            "binary_version": "1.8.8-1ubuntu3.2",
            "binary_name": "libsvn-perl"
        },
        {
            "binary_version": "1.8.8-1ubuntu3.2",
            "binary_name": "libsvn-ruby1.8"
        },
        {
            "binary_version": "1.8.8-1ubuntu3.2",
            "binary_name": "libsvn1"
        },
        {
            "binary_version": "1.8.8-1ubuntu3.2",
            "binary_name": "python-subversion"
        },
        {
            "binary_version": "1.8.8-1ubuntu3.2",
            "binary_name": "ruby-svn"
        },
        {
            "binary_version": "1.8.8-1ubuntu3.2",
            "binary_name": "subversion"
        },
        {
            "binary_version": "1.8.8-1ubuntu3.2",
            "binary_name": "subversion-tools"
        }
    ]
}