Pidgin Libpurple Protocol Plugins Denial of Service Vulnerabilities - Windows

# SPDX-FileCopyrightText: 2011 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("1.3.6.1.4.1.25623.1.0.802331");
  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:"2011-09-09 17:36:48 +0200 (Fri, 09 Sep 2011)");
  script_cve_id("CVE-2011-2943", "CVE-2011-3184", "CVE-2011-3185");
  script_tag(name:"cvss_base", value:"9.3");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:M/Au:N/C:C/I:C/A:C");
  script_name("Pidgin Libpurple Protocol Plugins Denial of Service Vulnerabilities - Windows");
  script_xref(name:"URL", value:"http://secunia.com/advisories/45663");
  script_xref(name:"URL", value:"http://www.securityfocus.com/bid/49268");
  script_xref(name:"URL", value:"http://pidgin.im/news/security/?id=53");
  script_xref(name:"URL", value:"http://pidgin.im/news/security/?id=54");
  script_xref(name:"URL", value:"http://pidgin.im/news/security/?id=55");
  script_xref(name:"URL", value:"http://securitytracker.com/id?1025961");

  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2011 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 allows remote attackers to execute arbitrary code,
  obtain sensitive information or cause a denial of service.");
  script_tag(name:"affected", value:"Pidgin versions prior to 2.10.0");
  script_tag(name:"insight", value:"Multiple flaws are due to:

  - An error in the IRC protocol plugin in libpurple when handling WHO
    responses with special characters in the nicknames.

  - An error in the MSN protocol plugin when handling HTTP 100 responses.

  - Improper handling of 'file:// URI', allows to execute the file when user
    clicks on a file:// URI in a received IM.");
  script_tag(name:"solution", value:"Upgrade to Pidgin version 2.10.0 or later.");
  script_tag(name:"summary", value:"Pidgin is prone to 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:"2.10.0")){
    report = report_fixed_ver(installed_version:pidginVer, fixed_version:"2.10.0");
    security_message(port: 0, data: report);
  }
}