ViewVC Detection

#
# (C) Tenable Network Security, Inc.
#


include("compat.inc");


if (description)
{
  script_id(42347);
  script_version("1.10");
  script_set_attribute(attribute:"plugin_modification_date", value:"2022/06/01");

  script_name(english:"ViewVC Detection");

  script_set_attribute(attribute:"synopsis", value:
"The remote web server is running a version control repository browser
written in Python.");
  script_set_attribute(attribute:"description", value:
"The remote host is running ViewVC, a web-based tool for browsing CVS
and Subversion repositories.");
  script_set_attribute(attribute:"see_also", value:"http://www.viewvc.org/");
  script_set_attribute(attribute:"solution", value:
"n/a");
  script_set_attribute(attribute:"risk_factor", value:"None");

  script_set_attribute(attribute:"plugin_publication_date", value:"2009/11/03");

  script_set_attribute(attribute:"plugin_type", value:"remote");
  script_set_attribute(attribute:"asset_inventory", value:"True");
  script_set_attribute(attribute:"cpe", value:"cpe:/a:viewvc:viewvc");
  script_set_attribute(attribute:"thorough_tests", value:"true");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_family(english:"CGI abuses");

  script_copyright(english:"This script is Copyright (C) 2009-2022 and is owned by Tenable, Inc. or an Affiliate thereof.");

  script_dependencies("http_version.nasl");
  script_exclude_keys("Settings/disable_cgi_scanning");
  script_require_ports("Services/www", 80);

  exit(0);
}


include("audit.inc");
include("global_settings.inc");
include("misc_func.inc");
include("http.inc");
include("webapp_func.inc");


port = get_http_port(default:80);

installs = NULL;
pattern = '<meta name="generator" content="ViewVC ([0-9.]+)" />';
dirs = cgi_dirs();

# The ViewVC INSTALL file has instructions for serving the app out the
# following locations
if (thorough_tests)
{
  dirs = make_list(dirs, '/viewvc', '/cgi-bin/viewvc.cgi', '/viewvc.cgi');
  dirs = list_uniq(dirs);
}

foreach dir (dirs)
{
  url = string(dir, '/');
  res = http_send_recv3(method:"GET", item:url, port:port, exit_on_fail: 1);

  match = eregmatch(string:res[2], pattern:pattern, icase:TRUE);
  if (match)
  {
    installs = add_install(
      installs:installs,
      dir:dir,
      ver:match[1],
      appname:'viewvc',
      port:port,
      cpe: "cpe:/a:viewvc:viewvc"
    );

    if (!thorough_tests) break;
  }
}

if (isnull(installs)) exit(0, "ViewVC wasn't detected on port "+port+".");

if (report_verbosity > 0)
{
  report = get_install_report(
    display_name:'ViewVC',
    installs:installs,
    port:port
  );
  security_note(port:port, extra:report);
}
else security_note(port);