7.1 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
LOW
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
7.7 High
AI Score
Confidence
Low
6.8 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:M/Au:N/C:P/I:P/A:P
0.003 Low
EPSS
Percentile
65.6%
Apache Tomcat is prone to an information disclosure 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("1.3.6.1.4.1.25623.1.0.810718");
script_version("2024-02-15T05:05:40+0000");
script_cve_id("CVE-2016-6816");
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 05:05:40 +0000 (Thu, 15 Feb 2024)");
script_tag(name:"severity_vector", value:"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L");
script_tag(name:"severity_origin", value:"NVD");
script_tag(name:"severity_date", value:"2020-10-05 22:15:00 +0000 (Mon, 05 Oct 2020)");
script_tag(name:"creation_date", value:"2017-03-24 13:27:12 +0530 (Fri, 24 Mar 2017)");
script_tag(name:"qod_type", value:"remote_banner_unreliable");
script_name("Apache Tomcat HTTP Request Line Information Disclosure Vulnerability - Linux");
script_tag(name:"summary", value:"Apache Tomcat is prone to an information disclosure vulnerability.");
script_tag(name:"vuldetect", value:"Checks if a vulnerable version is present on the target host.");
script_tag(name:"insight", value:"The code that parsed the HTTP request line
permitted invalid characters. This could be exploited, in conjunction with a
proxy that also permitted the invalid characters but with a different
interpretation, to inject data into the HTTP response.");
script_tag(name:"impact", value:"Successful exploitation will allow remote
attackers to poison a web-cache, perform an XSS attack and/or obtain sensitive
information from requests other then their own.");
script_tag(name:"affected", value:"Apache Tomcat versions 9.0.0.M1 to 9.0.0.M11,
Apache Tomcat versions 8.5.0 to 8.5.6,
Apache Tomcat versions 8.0.0.RC1 to 8.0.38,
Apache Tomcat versions 7.0.0 to 7.0.72, and
Apache Tomcat versions 6.0.0 to 6.0.47 on Linux.");
script_tag(name:"solution", value:"Upgrade to version 9.0.0.M13,
8.5.8, 8.0.39, 7.0.73, 6.0.48 or later.");
script_tag(name:"solution_type", value:"VendorFix");
script_xref(name:"URL", value:"https://tomcat.apache.org/security-6.html#Fixed_in_Apache_Tomcat_6.0.48");
script_xref(name:"URL", value:"http://www.securityfocus.com/bid/94461");
script_xref(name:"URL", value:"https://tomcat.apache.org/security-7.html#Fixed_in_Apache_Tomcat_7.0.73");
script_xref(name:"URL", value:"https://tomcat.apache.org/security-8.html#Fixed_in_Apache_Tomcat_8.0.39");
script_xref(name:"URL", value:"https://tomcat.apache.org/security-8.html#Fixed_in_Apache_Tomcat_8.5.8");
script_xref(name:"URL", value:"https://tomcat.apache.org/security-9.html#Fixed_in_Apache_Tomcat_9.0.0.M13");
script_xref(name:"URL", value:"https://qnalist.com/questions/7885204/security-cve-2016-6816-apache-tomcat-information-disclosure");
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_unixoide");
exit(0);
}
include("host_details.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 =~ "^[6-9]\.")
{
if(version_in_range(version:appVer, test_version:"6.0.0", test_version2:"6.0.47"))
{
fix = "6.0.48";
VULN = TRUE;
}
else if(version_in_range(version:appVer, test_version:"7.0.0", test_version2:"7.0.72"))
{
fix = "7.0.73";
VULN = TRUE;
}
else if(version_in_range(version:appVer, test_version:"8.5.0", test_version2:"8.5.6"))
{
fix = "8.5.8";
VULN = TRUE;
}
else if(version_in_range(version:appVer, test_version:"8.0.0.RC1", test_version2:"8.0.38"))
{
fix = "8.0.39";
VULN = TRUE;
}
else if(version_in_range(version:appVer, test_version:"9.0.0.M1", test_version2:"9.0.0.M11"))
{
fix = "9.0.0.M13";
VULN = TRUE;
}
if(VULN)
{
report = report_fixed_ver(installed_version:appVer, fixed_version:fix, install_path:path);
security_message(data:report, port:tomPort);
exit(0);
}
}
www.securityfocus.com/bid/94461
qnalist.com/questions/7885204/security-cve-2016-6816-apache-tomcat-information-disclosure
tomcat.apache.org/security-6.html#Fixed_in_Apache_Tomcat_6.0.48
tomcat.apache.org/security-7.html#Fixed_in_Apache_Tomcat_7.0.73
tomcat.apache.org/security-8.html#Fixed_in_Apache_Tomcat_8.0.39
tomcat.apache.org/security-8.html#Fixed_in_Apache_Tomcat_8.5.8
tomcat.apache.org/security-9.html#Fixed_in_Apache_Tomcat_9.0.0.M13
7.1 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
LOW
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
7.7 High
AI Score
Confidence
Low
6.8 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:M/Au:N/C:P/I:P/A:P
0.003 Low
EPSS
Percentile
65.6%