CVE-2016-6796

tomcat: security manager bypass via JSP Servlet config parameters

Severity Score

7.5

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

A malicious web application running on Apache Tomcat 9.0.0.M1 to 9.0.0.M9, 8.5.0 to 8.5.4, 8.0.0.RC1 to 8.0.36, 7.0.0 to 7.0.70 and 6.0.0 to 6.0.45 was able to bypass a configured SecurityManager via manipulation of the configuration parameters for the JSP Servlet.

Una aplicación web maliciosa en Apache Tomcat 9.0.0.M1 a 9.0.0.M9, 8.5.0 a 8.5.4, 8.0.0.RC1 a 8.0.36, 7.0.0 a 7.0.70, y 6.0.0 a 6.0.45 era capaz de eludir un SecurityManager configurado mediante la manipulación de los parámetros de configuración para el Servlet JSP.

It was discovered that a malicious web application could bypass a configured SecurityManager via manipulation of the configuration parameters for the JSP Servlet.

*Credits: N/A

CVSS Scores

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

High

Availability

None

Attack Vector

Network

Attack Complexity

High

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

Low

Availability

None

Attack Vector

Network

Attack Complexity

Low

Authentication

None

Confidentiality

None

Integrity

Partial

Availability

None

Attack Vector

Network

Attack Complexity

High

Authentication

None

Confidentiality

Partial

Integrity

Partial

Availability

None

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2016-08-12 CVE Reserved
2017-01-24 CVE Published
2024-09-17 CVE Updated
2024-09-17 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CAPEC

References (33)

URL	Tag	Source
http://www.securityfocus.com/bid/93944	Broken Link
http://www.securitytracker.com/id/1037141	Broken Link
http://www.securitytracker.com/id/1038757	Broken Link
https://lists.apache.org/thread.html/343558d982879bf88ec20dbf707f8c11255f8e219e81d45c4f8d0551%40%3Cdev.tomcat.apache.org%3E	Mailing List
https://lists.apache.org/thread.html/37220405a377c0182d2afdbc36461c4783b2930fbeae3a17f1333113%40%3Cdev.tomcat.apache.org%3E	Mailing List
https://lists.apache.org/thread.html/388a323769f1dff84c9ec905455aa73fbcb20338e3c7eb131457f708%40%3Cdev.tomcat.apache.org%3E	Mailing List
https://lists.apache.org/thread.html/39ae1f0bd5867c15755a6f959b271ade1aea04ccdc3b2e639dcd903b%40%3Cdev.tomcat.apache.org%3E	Mailing List
https://lists.apache.org/thread.html/3d19773b4cf0377db62d1e9328bf9160bf1819f04f988315086931d7%40%3Cdev.tomcat.apache.org%3E	Mailing List
https://lists.apache.org/thread.html/5a2105a56b2495ab70fa568f06925bd861f0d71ffab4fb38bb4fdc45%40%3Cannounce.tomcat.apache.org%3E	Mailing List
https://lists.apache.org/thread.html/6af47120905aa7d8fe12f42e8ff2284fb338ba141d3b77b8c7cb61b3%40%3Cdev.tomcat.apache.org%3E	Mailing List
https://lists.apache.org/thread.html/845312a10aabbe2c499fca94003881d2c79fc993d85f34c1f5c77424%40%3Cdev.tomcat.apache.org%3E	Mailing List
https://lists.apache.org/thread.html/88855876c33f2f9c532ffb75bfee570ccf0b17ffa77493745af9a17a%40%3Cdev.tomcat.apache.org%3E	Mailing List
https://lists.apache.org/thread.html/b5e3f51d28cd5d9b1809f56594f2cf63dcd6a90429e16ea9f83bbedc%40%3Cdev.tomcat.apache.org%3E	Mailing List
https://lists.apache.org/thread.html/b84ad1258a89de5c9c853c7f2d3ad77e5b8b2930be9e132d5cef6b95%40%3Cdev.tomcat.apache.org%3E	Mailing List
https://lists.apache.org/thread.html/b8a1bf18155b552dcf9a928ba808cbadad84c236d85eab3033662cfb%40%3Cdev.tomcat.apache.org%3E	Mailing List
https://lists.apache.org/thread.html/r03c597a64de790ba42c167efacfa23300c3d6c9fe589ab87fe02859c%40%3Cdev.tomcat.apache.org%3E	Mailing List
https://lists.apache.org/thread.html/r587e50b86c1a96ee301f751d50294072d142fd6dc08a8987ae9f3a9b%40%3Cdev.tomcat.apache.org%3E	Mailing List
https://lists.apache.org/thread.html/r9136ff5b13e4f1941360b5a309efee2c114a14855578c3a2cbe5d19c%40%3Cdev.tomcat.apache.org%3E	Mailing List
https://security.netapp.com/advisory/ntap-20180605-0001	Third Party Advisory

URL	Date	SRC

URL	Date	SRC
https://www.oracle.com/security-alerts/cpuoct2021.html	2023-12-08

URL	Date	SRC
http://rhn.redhat.com/errata/RHSA-2017-0457.html	2023-12-08
http://rhn.redhat.com/errata/RHSA-2017-1551.html	2023-12-08
http://www.debian.org/security/2016/dsa-3720	2023-12-08
https://access.redhat.com/errata/RHSA-2017:0455	2023-12-08
https://access.redhat.com/errata/RHSA-2017:0456	2023-12-08
https://access.redhat.com/errata/RHSA-2017:1548	2023-12-08
https://access.redhat.com/errata/RHSA-2017:1549	2023-12-08
https://access.redhat.com/errata/RHSA-2017:1550	2023-12-08
https://access.redhat.com/errata/RHSA-2017:1552	2023-12-08
https://access.redhat.com/errata/RHSA-2017:2247	2023-12-08
https://usn.ubuntu.com/4557-1	2023-12-08
https://access.redhat.com/security/cve/CVE-2016-6796	2017-08-01
https://bugzilla.redhat.com/show_bug.cgi?id=1390515	2017-08-01

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Apache Search vendor "Apache"		Tomcat Search vendor "Apache" for product "Tomcat"				>= 6.0.0 <= 6.0.45 Search vendor "Apache" for product "Tomcat" and version " >= 6.0.0 <= 6.0.45"		-		Affected
Apache Search vendor "Apache"		Tomcat Search vendor "Apache" for product "Tomcat"				>= 7.0.0 <= 7.0.70 Search vendor "Apache" for product "Tomcat" and version " >= 7.0.0 <= 7.0.70"		-		Affected
Apache Search vendor "Apache"		Tomcat Search vendor "Apache" for product "Tomcat"				>= 8.0 <= 8.0.36 Search vendor "Apache" for product "Tomcat" and version " >= 8.0 <= 8.0.36"		-		Affected
Apache Search vendor "Apache"		Tomcat Search vendor "Apache" for product "Tomcat"				>= 8.5.0 <= 8.5.4 Search vendor "Apache" for product "Tomcat" and version " >= 8.5.0 <= 8.5.4"		-		Affected
Apache Search vendor "Apache"		Tomcat Search vendor "Apache" for product "Tomcat"				9.0.0 Search vendor "Apache" for product "Tomcat" and version "9.0.0"		milestone1		Affected
Apache Search vendor "Apache"		Tomcat Search vendor "Apache" for product "Tomcat"				9.0.0 Search vendor "Apache" for product "Tomcat" and version "9.0.0"		milestone2		Affected
Apache Search vendor "Apache"		Tomcat Search vendor "Apache" for product "Tomcat"				9.0.0 Search vendor "Apache" for product "Tomcat" and version "9.0.0"		milestone3		Affected
Apache Search vendor "Apache"		Tomcat Search vendor "Apache" for product "Tomcat"				9.0.0 Search vendor "Apache" for product "Tomcat" and version "9.0.0"		milestone4		Affected
Apache Search vendor "Apache"		Tomcat Search vendor "Apache" for product "Tomcat"				9.0.0 Search vendor "Apache" for product "Tomcat" and version "9.0.0"		milestone5		Affected
Apache Search vendor "Apache"		Tomcat Search vendor "Apache" for product "Tomcat"				9.0.0 Search vendor "Apache" for product "Tomcat" and version "9.0.0"		milestone6		Affected
Apache Search vendor "Apache"		Tomcat Search vendor "Apache" for product "Tomcat"				9.0.0 Search vendor "Apache" for product "Tomcat" and version "9.0.0"		milestone7		Affected
Apache Search vendor "Apache"		Tomcat Search vendor "Apache" for product "Tomcat"				9.0.0 Search vendor "Apache" for product "Tomcat" and version "9.0.0"		milestone8		Affected
Apache Search vendor "Apache"		Tomcat Search vendor "Apache" for product "Tomcat"				9.0.0 Search vendor "Apache" for product "Tomcat" and version "9.0.0"		milestone9		Affected
Debian Search vendor "Debian"		Debian Linux Search vendor "Debian" for product "Debian Linux"				8.0 Search vendor "Debian" for product "Debian Linux" and version "8.0"		-		Affected
Netapp Search vendor "Netapp"		Oncommand Insight Search vendor "Netapp" for product "Oncommand Insight"				-		-		Affected
Netapp Search vendor "Netapp"		Oncommand Shift Search vendor "Netapp" for product "Oncommand Shift"				-		-		Affected
Netapp Search vendor "Netapp"		Snap Creator Framework Search vendor "Netapp" for product "Snap Creator Framework"				-		-		Affected
Canonical Search vendor "Canonical"		Ubuntu Linux Search vendor "Canonical" for product "Ubuntu Linux"				16.04 Search vendor "Canonical" for product "Ubuntu Linux" and version "16.04"		esm		Affected
Oracle Search vendor "Oracle"		Tekelec Platform Distribution Search vendor "Oracle" for product "Tekelec Platform Distribution"				7.4.0 Search vendor "Oracle" for product "Tekelec Platform Distribution" and version "7.4.0"		-		Affected
Oracle Search vendor "Oracle"		Tekelec Platform Distribution Search vendor "Oracle" for product "Tekelec Platform Distribution"				7.7.1 Search vendor "Oracle" for product "Tekelec Platform Distribution" and version "7.7.1"		-		Affected
Redhat Search vendor "Redhat"		Jboss Enterprise Application Platform Search vendor "Redhat" for product "Jboss Enterprise Application Platform"				6.4 Search vendor "Redhat" for product "Jboss Enterprise Application Platform" and version "6.4"		-		Affected
Redhat Search vendor "Redhat"		Jboss Enterprise Web Server Search vendor "Redhat" for product "Jboss Enterprise Web Server"				3.0.0 Search vendor "Redhat" for product "Jboss Enterprise Web Server" and version "3.0.0"		-		Affected
Redhat Search vendor "Redhat"		Enterprise Linux Desktop Search vendor "Redhat" for product "Enterprise Linux Desktop"				7.0 Search vendor "Redhat" for product "Enterprise Linux Desktop" and version "7.0"		-		Affected
Redhat Search vendor "Redhat"		Enterprise Linux Eus Search vendor "Redhat" for product "Enterprise Linux Eus"				7.4 Search vendor "Redhat" for product "Enterprise Linux Eus" and version "7.4"		-		Affected
Redhat Search vendor "Redhat"		Enterprise Linux Eus Search vendor "Redhat" for product "Enterprise Linux Eus"				7.5 Search vendor "Redhat" for product "Enterprise Linux Eus" and version "7.5"		-		Affected
Redhat Search vendor "Redhat"		Enterprise Linux Eus Search vendor "Redhat" for product "Enterprise Linux Eus"				7.6 Search vendor "Redhat" for product "Enterprise Linux Eus" and version "7.6"		-		Affected
Redhat Search vendor "Redhat"		Enterprise Linux Eus Search vendor "Redhat" for product "Enterprise Linux Eus"				7.7 Search vendor "Redhat" for product "Enterprise Linux Eus" and version "7.7"		-		Affected
Redhat Search vendor "Redhat"		Enterprise Linux Server Search vendor "Redhat" for product "Enterprise Linux Server"				7.0 Search vendor "Redhat" for product "Enterprise Linux Server" and version "7.0"		-		Affected
Redhat Search vendor "Redhat"		Enterprise Linux Server Aus Search vendor "Redhat" for product "Enterprise Linux Server Aus"				7.4 Search vendor "Redhat" for product "Enterprise Linux Server Aus" and version "7.4"		-		Affected
Redhat Search vendor "Redhat"		Enterprise Linux Server Aus Search vendor "Redhat" for product "Enterprise Linux Server Aus"				7.6 Search vendor "Redhat" for product "Enterprise Linux Server Aus" and version "7.6"		-		Affected
Redhat Search vendor "Redhat"		Enterprise Linux Server Aus Search vendor "Redhat" for product "Enterprise Linux Server Aus"				7.7 Search vendor "Redhat" for product "Enterprise Linux Server Aus" and version "7.7"		-		Affected
Redhat Search vendor "Redhat"		Enterprise Linux Server Tus Search vendor "Redhat" for product "Enterprise Linux Server Tus"				7.6 Search vendor "Redhat" for product "Enterprise Linux Server Tus" and version "7.6"		-		Affected
Redhat Search vendor "Redhat"		Enterprise Linux Server Tus Search vendor "Redhat" for product "Enterprise Linux Server Tus"				7.7 Search vendor "Redhat" for product "Enterprise Linux Server Tus" and version "7.7"		-		Affected
Redhat Search vendor "Redhat"		Enterprise Linux Workstation Search vendor "Redhat" for product "Enterprise Linux Workstation"				7.0 Search vendor "Redhat" for product "Enterprise Linux Workstation" and version "7.0"		-		Affected