4.3 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
AV:N/AC:M/Au:N/C:P/I:N/A:N
5.9 Medium
CVSS3
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
5.8 Medium
AI Score
Confidence
High
0.001 Low
EPSS
Percentile
46.5%
A flaw has been identified in the GCM nonce generation
functionality of Citrix NetScaler application Delivery Controller (ADC) and Citrix NetScaler
Gateway that could result in the interception of session data.
# SPDX-FileCopyrightText: 2017 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:citrix:netscaler";
if(description)
{
script_oid("1.3.6.1.4.1.25623.1.0.140153");
script_version("2023-07-28T05:05:23+0000");
script_tag(name:"last_modification", value:"2023-07-28 05:05:23 +0000 (Fri, 28 Jul 2023)");
script_tag(name:"creation_date", value:"2017-02-08 12:46:21 +0100 (Wed, 08 Feb 2017)");
script_tag(name:"cvss_base", value:"4.3");
script_tag(name:"cvss_base_vector", value:"AV:N/AC:M/Au:N/C:P/I:N/A:N");
script_tag(name:"severity_vector", value:"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N");
script_tag(name:"severity_origin", value:"NVD");
script_tag(name:"severity_date", value:"2017-03-14 19:27:00 +0000 (Tue, 14 Mar 2017)");
script_cve_id("CVE-2017-5933");
script_tag(name:"qod_type", value:"remote_banner");
script_tag(name:"solution_type", value:"VendorFix");
script_name("Citrix NetScaler Nonce Generation Vulnerability (CTX220329)");
script_category(ACT_GATHER_INFO);
script_copyright("Copyright (C) 2017 Greenbone AG");
script_family("General");
script_dependencies("gb_citrix_netscaler_consolidation.nasl");
script_mandatory_keys("citrix/netscaler/detected");
script_tag(name:"summary", value:"A flaw has been identified in the GCM nonce generation
functionality of Citrix NetScaler application Delivery Controller (ADC) and Citrix NetScaler
Gateway that could result in the interception of session data.");
script_tag(name:"vuldetect", value:"Checks if a vulnerable version is present on the target host.");
script_tag(name:"affected", value:"Citrix NetScaler version 11.1 earlier than 11.1 Build 51.21,
11.0 earlier than 11.0 Build 69.12/69.123 and 10.5 earlier than 10.5 Build 65.11.");
script_tag(name:"solution", value:"Update to version 11.1 Build 51.21, 11.0 Build 69.12/69.123,
10.5 Build 65.11 or later");
script_xref(name:"URL", value:"https://support.citrix.com/article/CTX220329");
script_xref(name:"URL", value:"https://github.com/nonce-disrespect/nonce-disrespect");
exit(0);
}
include("host_details.inc");
include("version_func.inc");
if( ! vers = get_app_version( cpe:CPE, nofork: TRUE) )
exit( 0 );
if( get_kb_item( "citrix/netscaler/enhanced_build" ) )
enhanced = TRUE;
if( enhanced )
exit( 99 );
if( version_in_range( version:vers, test_version:"10.5", test_version2:"10.5.65.10" ) )
fix = "10.5 Build 65.11";
if( version_in_range( version:vers, test_version:"11.0", test_version2:"11.0.69.11" ) )
fix = "11.0 Build 69.12";
if( version_in_range( version:vers, test_version:"11.1", test_version2:"11.1.51.20" ) )
fix = "11.1 Build 51.21";
if( fix ) {
report = report_fixed_ver( installed_version:vers, fixed_version:fix );
security_message( port: 0, data:report );
exit( 0 );
}
exit( 99 );
4.3 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
AV:N/AC:M/Au:N/C:P/I:N/A:N
5.9 Medium
CVSS3
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
5.8 Medium
AI Score
Confidence
High
0.001 Low
EPSS
Percentile
46.5%