4 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
HIGH
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:N/AC:H/Au:N/C:P/I:P/A:N
6.8 Medium
CVSS3
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
NONE
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N
7 High
AI Score
Confidence
High
0.004 Low
EPSS
Percentile
74.2%
PuTTY is prone to multiple spoofing vulnerabilities.
# SPDX-FileCopyrightText: 2019 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:putty:putty";
if(description)
{
script_oid("1.3.6.1.4.1.25623.1.0.814661");
script_version("2024-02-15T05:05:40+0000");
script_tag(name:"last_modification", value:"2024-02-15 05:05:40 +0000 (Thu, 15 Feb 2024)");
script_tag(name:"creation_date", value:"2019-01-17 15:17:22 +0530 (Thu, 17 Jan 2019)");
script_tag(name:"cvss_base", value:"4.0");
script_tag(name:"cvss_base_vector", value:"AV:N/AC:H/Au:N/C:P/I:P/A:N");
script_tag(name:"severity_vector", value:"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N");
script_tag(name:"severity_origin", value:"NVD");
script_tag(name:"severity_date", value:"2023-02-23 23:16:00 +0000 (Thu, 23 Feb 2023)");
script_cve_id("CVE-2019-6109", "CVE-2019-6110");
script_tag(name:"qod_type", value:"registry");
script_tag(name:"solution_type", value:"VendorFix");
script_name("PuTTY SCP Multiple Spoofing Vulnerabilities - Windows");
script_category(ACT_GATHER_INFO);
script_copyright("Copyright (C) 2019 Greenbone AG");
script_family("General");
script_dependencies("gb_putty_portable_detect.nasl");
script_mandatory_keys("putty/detected");
script_tag(name:"summary", value:"PuTTY is prone to multiple spoofing vulnerabilities.");
script_tag(name:"insight", value:"Multiple flaws are due to:
- A missing character encoding in the progress display, the object name
can be used to manipulate the client output.
- Accepting and displaying arbitrary stderr output from the scp server, a
malicious server can manipulate the client output.");
script_tag(name:"impact", value:"Successful exploitation will allow remote
servers to spoof the client output.");
script_tag(name:"vuldetect", value:"Checks if a vulnerable version is present on the target host.");
script_tag(name:"affected", value:"PuTTY version 0.70 and earlier on Windows.");
script_tag(name:"solution", value:"Update to version 0.71 or later.");
script_xref(name:"URL", value:"https://sintonen.fi/advisories/scp-client-multiple-vulnerabilities.txt");
script_xref(name:"URL", value:"https://www.chiark.greenend.org.uk/~sgtatham/putty/wishlist/pscp-unsanitised-server-output.html");
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 );
version = infos["version"];
path = infos["location"];
if( version_is_less( version:version, test_version:"0.71" ) ) {
report = report_fixed_ver( installed_version:version, fixed_version:"0.71", install_path:path );
security_message( data:report, port:0 );
exit( 0 );
}
exit( 99 );
4 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
HIGH
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:N/AC:H/Au:N/C:P/I:P/A:N
6.8 Medium
CVSS3
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
NONE
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N
7 High
AI Score
Confidence
High
0.004 Low
EPSS
Percentile
74.2%