7.5 High
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:P/I:P/A:P
9.8 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
0.737 High
EPSS
Percentile
98.1%
CVE-2016-6816 tomcat: HTTP Request smuggling vulnerability due to permitting invalid character in HTTP requests
CVE-2016-8735 tomcat: Remote code execution vulnerability in JmxRemoteLifecycleListener
#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from Amazon Linux AMI Security Advisory ALAS-2016-776.
#
include('compat.inc');
if (description)
{
script_id(95896);
script_version("3.9");
script_set_attribute(attribute:"plugin_modification_date", value:"2023/05/14");
script_cve_id("CVE-2016-6816", "CVE-2016-8735");
script_xref(name:"ALAS", value:"2016-776");
script_xref(name:"CISA-KNOWN-EXPLOITED", value:"2023/06/02");
script_name(english:"Amazon Linux AMI : tomcat6 (ALAS-2016-776)");
script_set_attribute(attribute:"synopsis", value:
"The remote Amazon Linux AMI host is missing a security update.");
script_set_attribute(attribute:"description", value:
"CVE-2016-6816 tomcat: HTTP Request smuggling vulnerability due to
permitting invalid character in HTTP requests
CVE-2016-8735 tomcat: Remote code execution vulnerability in
JmxRemoteLifecycleListener");
script_set_attribute(attribute:"see_also", value:"https://alas.aws.amazon.com/ALAS-2016-776.html");
script_set_attribute(attribute:"solution", value:
"Run 'yum update tomcat6' to update your system.");
script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P");
script_set_cvss_temporal_vector("CVSS2#E:POC/RL:OF/RC:C");
script_set_cvss3_base_vector("CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H");
script_set_cvss3_temporal_vector("CVSS:3.0/E:P/RL:O/RC:C");
script_set_attribute(attribute:"exploitability_ease", value:"Exploits are available");
script_set_attribute(attribute:"exploit_available", value:"true");
script_set_attribute(attribute:"patch_publication_date", value:"2016/12/15");
script_set_attribute(attribute:"plugin_publication_date", value:"2016/12/16");
script_set_attribute(attribute:"plugin_type", value:"local");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:amazon:linux:tomcat6");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:amazon:linux:tomcat6-admin-webapps");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:amazon:linux:tomcat6-docs-webapp");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:amazon:linux:tomcat6-el-2.1-api");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:amazon:linux:tomcat6-javadoc");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:amazon:linux:tomcat6-jsp-2.1-api");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:amazon:linux:tomcat6-lib");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:amazon:linux:tomcat6-servlet-2.5-api");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:amazon:linux:tomcat6-webapps");
script_set_attribute(attribute:"cpe", value:"cpe:/o:amazon:linux");
script_end_attributes();
script_category(ACT_GATHER_INFO);
script_family(english:"Amazon Linux Local Security Checks");
script_copyright(english:"This script is Copyright (C) 2016-2023 and is owned by Tenable, Inc. or an Affiliate thereof.");
script_dependencies("ssh_get_info.nasl");
script_require_keys("Host/local_checks_enabled", "Host/AmazonLinux/release", "Host/AmazonLinux/rpm-list");
exit(0);
}
include("audit.inc");
include("global_settings.inc");
include("rpm.inc");
if (!get_kb_item("Host/local_checks_enabled")) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);
release = get_kb_item("Host/AmazonLinux/release");
if (isnull(release) || !strlen(release)) audit(AUDIT_OS_NOT, "Amazon Linux");
os_ver = pregmatch(pattern: "^AL(A|\d)", string:release);
if (isnull(os_ver)) audit(AUDIT_UNKNOWN_APP_VER, "Amazon Linux");
os_ver = os_ver[1];
if (os_ver != "A")
{
if (os_ver == 'A') os_ver = 'AMI';
audit(AUDIT_OS_NOT, "Amazon Linux AMI", "Amazon Linux " + os_ver);
}
if (!get_kb_item("Host/AmazonLinux/rpm-list")) audit(AUDIT_PACKAGE_LIST_MISSING);
flag = 0;
if (rpm_check(release:"ALA", reference:"tomcat6-6.0.48-1.8.amzn1")) flag++;
if (rpm_check(release:"ALA", reference:"tomcat6-admin-webapps-6.0.48-1.8.amzn1")) flag++;
if (rpm_check(release:"ALA", reference:"tomcat6-docs-webapp-6.0.48-1.8.amzn1")) flag++;
if (rpm_check(release:"ALA", reference:"tomcat6-el-2.1-api-6.0.48-1.8.amzn1")) flag++;
if (rpm_check(release:"ALA", reference:"tomcat6-javadoc-6.0.48-1.8.amzn1")) flag++;
if (rpm_check(release:"ALA", reference:"tomcat6-jsp-2.1-api-6.0.48-1.8.amzn1")) flag++;
if (rpm_check(release:"ALA", reference:"tomcat6-lib-6.0.48-1.8.amzn1")) flag++;
if (rpm_check(release:"ALA", reference:"tomcat6-servlet-2.5-api-6.0.48-1.8.amzn1")) flag++;
if (rpm_check(release:"ALA", reference:"tomcat6-webapps-6.0.48-1.8.amzn1")) flag++;
if (flag)
{
if (report_verbosity > 0) security_hole(port:0, extra:rpm_report_get());
else security_hole(0);
exit(0);
}
else
{
tested = pkg_tests_get();
if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);
else audit(AUDIT_PACKAGE_NOT_INSTALLED, "tomcat6 / tomcat6-admin-webapps / tomcat6-docs-webapp / etc");
}
Vendor | Product | Version | CPE |
---|---|---|---|
amazon | linux | tomcat6-el-2.1-api | p-cpe:/a:amazon:linux:tomcat6-el-2.1-api |
amazon | linux | tomcat6-javadoc | p-cpe:/a:amazon:linux:tomcat6-javadoc |
amazon | linux | tomcat6-jsp-2.1-api | p-cpe:/a:amazon:linux:tomcat6-jsp-2.1-api |
amazon | linux | tomcat6-lib | p-cpe:/a:amazon:linux:tomcat6-lib |
amazon | linux | tomcat6-servlet-2.5-api | p-cpe:/a:amazon:linux:tomcat6-servlet-2.5-api |
amazon | linux | tomcat6-webapps | p-cpe:/a:amazon:linux:tomcat6-webapps |
amazon | linux | cpe:/o:amazon:linux | |
amazon | linux | tomcat6 | p-cpe:/a:amazon:linux:tomcat6 |
amazon | linux | tomcat6-admin-webapps | p-cpe:/a:amazon:linux:tomcat6-admin-webapps |
amazon | linux | tomcat6-docs-webapp | p-cpe:/a:amazon:linux:tomcat6-docs-webapp |
7.5 High
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:P/I:P/A:P
9.8 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
0.737 High
EPSS
Percentile
98.1%