CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:N/AC:L/Au:N/C:C/I:C/A:C
AI Score
Confidence
Low
EPSS
Percentile
98.8%
TightVNC is prone to Multiple Integer Overflow Vulnerability.
# SPDX-FileCopyrightText: 2009 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("1.3.6.1.4.1.25623.1.0.900473");
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:"2009-03-03 06:56:37 +0100 (Tue, 03 Mar 2009)");
script_tag(name:"cvss_base", value:"10.0");
script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:N/C:C/I:C/A:C");
script_cve_id("CVE-2009-0388");
script_name("TightVNC ClientConnection Multiple Integer Overflow Vulnerabilities - Windows");
script_xref(name:"URL", value:"http://milw0rm.com/exploits/7990");
script_xref(name:"URL", value:"http://www.securityfocus.com/bid/33568");
script_xref(name:"URL", value:"http://milw0rm.com/exploits/8024");
script_xref(name:"URL", value:"http://www.coresecurity.com/content/vnc-integer-overflows");
script_category(ACT_GATHER_INFO);
script_copyright("Copyright (C) 2009 Greenbone AG");
script_family("Buffer overflow");
script_dependencies("secpod_tightvnc_detect_win.nasl");
script_mandatory_keys("TightVNC/Win/Ver");
script_tag(name:"affected", value:"TightVNC version 1.3.9 and prior on Windows.");
script_tag(name:"insight", value:"Multiple Integer Overflow due to signedness errors within the functions
ClientConnection::CheckBufferSize and ClientConnection::CheckFileZipBufferSize
in ClientConnection.cpp file fails to validate user input.");
script_tag(name:"solution", value:"Upgrade to the latest version 1.3.10.");
script_tag(name:"summary", value:"TightVNC is prone to Multiple Integer Overflow Vulnerability.");
script_tag(name:"impact", value:"Successful exploitation will let the attacker execute arbitrary codes in the
context of the application and may cause remote code execution to compromise
the affected remote system.");
script_tag(name:"qod_type", value:"registry");
script_tag(name:"solution_type", value:"VendorFix");
exit(0);
}
include("version_func.inc");
tvncVer = get_kb_item("TightVNC/Win/Ver");
if(!tvncVer)
exit(0);
if(version_is_less(version:tvncVer, test_version:"1.3.10")){
report = report_fixed_ver(installed_version:tvncVer, fixed_version:"1.3.10");
security_message(port: 0, data: report);
}