7.5 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
7.6 High
AI Score
Confidence
High
5 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
AV:N/AC:L/Au:N/C:P/I:N/A:N
0.002 Low
EPSS
Percentile
54.5%
Apache Tomcat is prone to a security bypass vulnerability.
# 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:apache:tomcat";
if(description)
{
script_oid("1.3.6.1.4.1.25623.1.0.811294");
script_version("2024-02-15T05:05:40+0000");
script_cve_id("CVE-2017-7675");
script_tag(name:"cvss_base", value:"5.0");
script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:N/C:P/I:N/A:N");
script_tag(name:"last_modification", value:"2024-02-15 05:05:40 +0000 (Thu, 15 Feb 2024)");
script_tag(name:"severity_vector", value:"CVSS:3.0/AV:N/AC:L/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:"2019-06-12 17:29:00 +0000 (Wed, 12 Jun 2019)");
script_tag(name:"creation_date", value:"2017-08-11 10:49:43 +0530 (Fri, 11 Aug 2017)");
script_tag(name:"qod_type", value:"remote_banner");
script_name("Apache Tomcat HTTP2 Security Bypass Vulnerability - Windows");
script_tag(name:"summary", value:"Apache Tomcat is prone to a security bypass vulnerability.");
script_tag(name:"vuldetect", value:"Checks if a vulnerable version is present on the target host.");
script_tag(name:"insight", value:"The flaw exists due to error in HTTP2
implementation which bypasses a number of security checks.");
script_tag(name:"impact", value:"Successful exploitation will allow remote
attackers to bypass certain security restrictions using a specially crafted
URL.");
script_tag(name:"affected", value:"Apache Tomcat versions 9.0.0.M1 to 9.0.0.M21,
Apache Tomcat versions 8.5.0 to 8.5.15 on Windows.");
script_tag(name:"solution", value:"Upgrade to version 9.0.0.M22 or 8.5.16 or
later.");
script_tag(name:"solution_type", value:"VendorFix");
script_xref(name:"URL", value:"https://bz.apache.org/bugzilla/show_bug.cgi?id=61120");
script_xref(name:"URL", value:"http://tomcat.apache.org/security-8.html#Fixed_in_Apache_Tomcat_8.5.16");
script_xref(name:"URL", value:"http://tomcat.apache.org/security-9.html#Fixed_in_Apache_Tomcat_9.0.0.M22");
script_category(ACT_GATHER_INFO);
script_copyright("Copyright (C) 2017 Greenbone AG");
script_family("Web Servers");
script_dependencies("gb_apache_tomcat_consolidation.nasl", "os_detection.nasl");
script_mandatory_keys("apache/tomcat/detected", "Host/runs_windows");
exit(0);
}
include("host_details.inc");
include("revisions-lib.inc");
include("version_func.inc");
if(isnull(tomPort = get_app_port(cpe:CPE)))
exit(0);
if(!infos = get_app_version_and_location(cpe:CPE, port:tomPort, exit_no_version:TRUE))
exit(0);
appVer = infos["version"];
path = infos["location"];
if(appVer =~ "^8\.5")
{
if(revcomp(a: appVer, b: "8.5.16") < 0){
fix = "8.5.16";
}
}
else if(appVer =~ "^9\.")
{
if(revcomp(a: appVer, b: "9.0.0.M22") < 0){
fix = "9.0.0-M22";
}
}
if(fix)
{
report = report_fixed_ver(installed_version:appVer, fixed_version:fix, install_path:path);
security_message(data:report, port:tomPort);
exit(0);
}
exit(0);
7.5 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
7.6 High
AI Score
Confidence
High
5 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
AV:N/AC:L/Au:N/C:P/I:N/A:N
0.002 Low
EPSS
Percentile
54.5%