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CVE-2016-6817

Good to know:

Date: August 10, 2017

The HTTP/2 header parser in Apache Tomcat 9.0.0.M1 to 9.0.0.M11 and 8.5.0 to 8.5.6 entered an infinite loop if a header was received that was larger than the available buffer. This made a denial of service attack possible.

Language: Java

Severity Score

7.5

Related Resources (21)

Url: https://lists.apache.org/thread.html/a9f24571460af003071475b75f18cad81ebcc36fa7c876965a75e32a%40%3Cannounce.tomcat.apache.org%3E

Url: https://security.netapp.com/advisory/ntap-20180607-0001/

Url: https://lists.apache.org/thread.html/6af47120905aa7d8fe12f42e8ff2284fb338ba141d3b77b8c7cb61b3@%3Cdev.tomcat.apache.org%3E

Url: https://web.archive.org/web/20180115024458/http://www.securitytracker.com/id/1037330

Url: https://lists.apache.org/thread.html/b5e3f51d28cd5d9b1809f56594f2cf63dcd6a90429e16ea9f83bbedc%40%3Cdev.tomcat.apache.org%3E

Url: http://www.securityfocus.com/bid/94462

Url: https://github.com/apache/tomcat

Url: https://lists.apache.org/thread.html/343558d982879bf88ec20dbf707f8c11255f8e219e81d45c4f8d0551%40%3Cdev.tomcat.apache.org%3E

Url: https://lists.apache.org/thread.html/88855876c33f2f9c532ffb75bfee570ccf0b17ffa77493745af9a17a@%3Cdev.tomcat.apache.org%3E

Url: https://lists.apache.org/thread.html/6af47120905aa7d8fe12f42e8ff2284fb338ba141d3b77b8c7cb61b3%40%3Cdev.tomcat.apache.org%3E

Url: https://lists.apache.org/thread.html/b5e3f51d28cd5d9b1809f56594f2cf63dcd6a90429e16ea9f83bbedc@%3Cdev.tomcat.apache.org%3E

Url: https://lists.apache.org/thread.html/a9f24571460af003071475b75f18cad81ebcc36fa7c876965a75e32a@%3Cannounce.tomcat.apache.org%3E

Url: https://lists.apache.org/thread.html/88855876c33f2f9c532ffb75bfee570ccf0b17ffa77493745af9a17a%40%3Cdev.tomcat.apache.org%3E

Url: https://github.com/apache/tomcat/commit/079372fc7bac8e2e378942715c9ce26a4a72c07a

Url: https://lists.apache.org/thread.html/343558d982879bf88ec20dbf707f8c11255f8e219e81d45c4f8d0551@%3Cdev.tomcat.apache.org%3E

Url: https://github.com/apache/tomcat/commit/85c63227edabbfb4f2f500fc557480a190135d21

Url: https://security.netapp.com/advisory/ntap-20180607-0001

Url: http://www.securitytracker.com/id/1037330

Url: https://web.archive.org/web/20200227174145/http://www.securityfocus.com/bid/94462

Url: https://nvd.nist.gov/vuln/detail/CVE-2016-6817

Url: https://www.mend.io/vulnerability-database/CVE-2016-6817

Severity Score

7.5

Weakness Type (CWE)

Improper Restriction of Operations within the Bounds of a Memory Buffer

CWE-119

Loop with Unreachable Exit Condition ('Infinite Loop')

CWE-835

Top Fix

Upgrade Version

Upgrade to version org.apache.tomcat:tomcat:8.5.8

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CVSS v3.1

Base Score:	7.5
Attack Vector (AV):	NETWORK
Attack Complexity (AC):	LOW
Privileges Required (PR):	NONE
User Interaction (UI):	NONE
Scope (S):	UNCHANGED
Confidentiality (C):	NONE
Integrity (I):	NONE
Availability (A):	HIGH

CVSS v2

Base Score:	5.0
Access Vector (AV):	NETWORK
Access Complexity (AC):	LOW
Authentication (AU):	NONE
Confidentiality (C):	NONE
Integrity (I):	NONE
Availability (A):	PARTIAL
Additional information:

Mend.io Vulnerability Database

We found results for “”

CVE-2016-6817

Good to know:

Date: August 10, 2017

Language: Java

Severity Score

Related Resources (21)

Severity Score

Weakness Type (CWE)

Top Fix

Upgrade Version

CVSS v3.1

CVSS v2

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