Pidgin MSN SLP Message Integer Overflow Vulnerabilities - Windows

# SPDX-FileCopyrightText: 2008 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("1.3.6.1.4.1.25623.1.0.900008");
  script_version("2025-03-05T05:38:52+0000");
  script_tag(name:"last_modification", value:"2025-03-05 05:38:52 +0000 (Wed, 05 Mar 2025)");
  script_tag(name:"creation_date", value:"2008-08-22 10:29:01 +0200 (Fri, 22 Aug 2008)");
  script_cve_id("CVE-2008-2927");
  script_copyright("Copyright (C) 2008 Greenbone AG");
  script_tag(name:"cvss_base", value:"6.8");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:M/Au:N/C:P/I:P/A:P");
  script_category(ACT_GATHER_INFO);
  script_tag(name:"qod_type", value:"registry");
  script_family("General");
  script_name("Pidgin MSN SLP Message Integer Overflow Vulnerabilities - Windows");
  script_dependencies("smb_reg_service_pack.nasl");
  script_mandatory_keys("SMB/WindowsVersion");
  script_require_ports(139, 445);

  script_tag(name:"affected", value:"Pidgin Version prior to 2.4.3 on Windows (All).");

  script_tag(name:"insight", value:"The flaw is due to errors in the msn_slplink_process_msg
  function in libpurple/protocols/msnp9/slplink.c and libpurple/protocols/msn/slplink.c files,
  which fails to perform adequate boundary checks on user-supplied data.");

  script_tag(name:"summary", value:"Pidgin is prone to an integer overflow vulnerability.");

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

  script_tag(name:"solution", value:"Upgrade to Pidgin Version 2.4.3.");

  script_tag(name:"impact", value:"Remote attacker can execute arbitrary code by sending
  specially crafted SLP message with the privilege of a user.");

  script_xref(name:"URL", value:"http://www.pidgin.im/news/security/?id=24");
  script_xref(name:"URL", value:"http://www.securityfocus.com/bid/29956");

  exit(0);
}

include("smb_nt.inc");

 if(!get_kb_item("SMB/WindowsVersion")){
        exit(0);
 }

 pidginVer = registry_get_sz(item:"DisplayVersion",
         key:"SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Pidgin");

 if(egrep(pattern:"^([01]\..*|2\.([0-3](\..*)?|4(\.[0-2])?))$", string:pidginVer)){
    security_message( port: 0, data: "The target host was found to be vulnerable" );
 }