Tor Clients Information Disclosure Vulnerability - Linux

# SPDX-FileCopyrightText: 2010 Greenbone AG
# Some text descriptions might be excerpted from (a) referenced
# source(s), and are Copyright (C) by the respective right holder(s).
#
# SPDX-License-Identifier: GPL-2.0-only

if(description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.902103");
  script_version("2024-02-15T05:05:39+0000");
  script_tag(name:"last_modification", value:"2024-02-15 05:05:39 +0000 (Thu, 15 Feb 2024)");
  script_tag(name:"creation_date", value:"2010-01-28 16:24:05 +0100 (Thu, 28 Jan 2010)");
  script_tag(name:"cvss_base", value:"2.1");
  script_tag(name:"cvss_base_vector", value:"AV:L/AC:L/Au:N/C:P/I:N/A:N");
  script_cve_id("CVE-2010-0384");
  script_name("Tor Clients Information Disclosure Vulnerability - Linux");
  script_xref(name:"URL", value:"http://secunia.com/advisories/38198");
  script_xref(name:"URL", value:"http://archives.seul.org/or/announce/Jan-2010/msg00000.html");

  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2010 Greenbone AG");
  script_family("General");
  script_dependencies("secpod_tor_detect_lin.nasl");
  script_mandatory_keys("Tor/Linux/Ver");

  script_tag(name:"affected", value:"Tor version 0.2.2.x before 0.2.2.7-alpha on Linux.");

  script_tag(name:"insight", value:"The issue is due to directory mirror which does not prevent logging of the
  client IP address upon detection of erroneous client behavior, which might make
  it easier for local users to discover the identities of clients by reading log files.");

  script_tag(name:"solution", value:"Upgrade to version 0.2.2.7-alpha.");

  script_tag(name:"summary", value:"Tor is prone to an information disclosure vulnerability.");

  script_tag(name:"impact", value:"Successful exploitation will allow attackers to obtain client IP information
  that can help them launch further attacks.");

  script_tag(name:"qod_type", value:"executable_version");
  script_tag(name:"solution_type", value:"VendorFix");

  exit(0);
}

include("version_func.inc");

torVer = get_kb_item("Tor/Linux/Ver");
if(!torVer){
  exit(0);
}

torVer = ereg_replace(pattern:"-", replace:".", string:torVer);
if(torVer =~ "^0\.2\.2\."){
  if(version_is_less(version:torVer, test_version:"0.2.2.7.alpha")){
    report = report_fixed_ver(installed_version:torVer, fixed_version:"0.2.2.7.alpha");
    security_message(port: 0, data: report);
    exit(0);
  }
}