Pidgin Multiple Denial of Service Vulnerabilities - Windows

# SPDX-FileCopyrightText: 2012 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("1.3.6.1.4.1.25623.1.0.802713");
  script_version("2024-02-15T05:05:40+0000");
  script_cve_id("CVE-2012-1178", "CVE-2011-4939");
  script_tag(name:"cvss_base", value:"6.4");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:N/C:N/I:P/A:P");
  script_tag(name:"last_modification", value:"2024-02-15 05:05:40 +0000 (Thu, 15 Feb 2024)");
  script_tag(name:"creation_date", value:"2012-03-19 17:45:29 +0530 (Mon, 19 Mar 2012)");
  script_name("Pidgin Multiple Denial of Service Vulnerabilities - Windows");
  script_xref(name:"URL", value:"http://secunia.com/advisories/48303/");
  script_xref(name:"URL", value:"http://www.securityfocus.com/bid/52475");
  script_xref(name:"URL", value:"http://www.securityfocus.com/bid/52476");
  script_xref(name:"URL", value:"http://pidgin.im/news/security/?id=61");
  script_xref(name:"URL", value:"http://pidgin.im/news/security/?id=60");
  script_xref(name:"URL", value:"http://developer.pidgin.im/ticket/14392");
  script_xref(name:"URL", value:"http://developer.pidgin.im/ticket/14884");

  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2012 Greenbone AG");
  script_family("Denial of Service");
  script_dependencies("secpod_pidgin_detect_win.nasl");
  script_mandatory_keys("Pidgin/Win/Ver");
  script_tag(name:"impact", value:"Successful exploitation will allow attacker to crash the affected
  application, denying service to legitimate users.");
  script_tag(name:"affected", value:"Pidgin version prior to 2.10.2 on Windows");
  script_tag(name:"insight", value:"The flaws are due to

  - A NULL pointer dereference error within the 'get_iter_from_chatbuddy()'
    function when handling nickname changes in XMPP chat rooms.

  - An error within the 'msn_oim_report_to_user()' function when handling
    UTF-8 encoded message.");
  script_tag(name:"solution", value:"Upgrade to Pidgin version 2.10.2 or later.");
  script_tag(name:"summary", value:"Pidgin is prone to multiple denial of service vulnerabilities.");
  script_tag(name:"qod_type", value:"registry");
  script_tag(name:"solution_type", value:"VendorFix");
  exit(0);
}

include("version_func.inc");

pidginVer = get_kb_item("Pidgin/Win/Ver");
if(pidginVer != NULL)
{
  if(version_is_less(version:pidginVer, test_version:"2.10.2")){
    report = report_fixed_ver(installed_version:pidginVer, fixed_version:"2.10.2");
    security_message(port:0, data:report);
  }
}