Pidgin MSN SLP Message Integer Overflow Vulnerabilities - Linux

# 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

CPE = "cpe:/a:pidgin:pidgin";

if(description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.900009");
  script_version("2024-02-15T05:05:39+0000");
  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_tag(name:"last_modification", value:"2024-02-15 05:05:39 +0000 (Thu, 15 Feb 2024)");
  script_tag(name:"creation_date", value:"2008-08-22 10:29:01 +0200 (Fri, 22 Aug 2008)");
  script_category(ACT_GATHER_INFO);
  script_family("General");
  script_name("Pidgin MSN SLP Message Integer Overflow Vulnerabilities - Linux");
  script_dependencies("secpod_pidgin_detect_lin.nasl");
  script_mandatory_keys("Pidgin/Lin/Ver");

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

  script_tag(name:"affected", value:"Pidgin Version prior to 2.4.3 on Linux (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", 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_tag(name:"solution_type", value:"VendorFix");
  script_tag(name:"qod_type", value:"executable_version_unreliable");

  exit(0);
}

include("host_details.inc");
include("version_func.inc");

if( ! infos = get_app_version_and_location( cpe:CPE, exit_no_version:TRUE ) )
  exit( 0 );

vers = infos['version'];
path = infos['location'];

if( version_is_less( version:vers, test_version:"2.4.3" ) ) {
  report = report_fixed_ver( installed_version:vers, fixed_version:"2.4.3", install_path:path );
  security_message( port:0, data:report );
}

exit( 0 );