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tomcatApache TomcatTOMCAT:0DBA25EA40A6FEBF5FD9039D7F60718E
HistoryNov 08, 2016 - 12:00 a.m.

Fixed in Apache Tomcat 8.5.8

2016-11-0800:00:00
Apache Tomcat
tomcat.apache.org
819

CVSS2

10

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:N/AC:L/Au:N/C:C/I:C/A:C

CVSS3

9.8

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

EPSS

0.737

Percentile

98.1%

Note: The issues below were fixed in Apache Tomcat 8.5.7 but the release vote for the 8.5.7 release candidate did not pass. Therefore, although users must download 8.5.8 to obtain a version that includes fixes for these issues, version 8.5.7 is not included in the list of affected versions.

Important: Remote Code Execution CVE-2016-8735

The JmxRemoteLifecycleListener was not updated to take account of Oracle’s fix for CVE-2016-3427. Therefore, Tomcat installations using this listener remained vulnerable to a similar remote code execution vulnerability. This issue has been rated as important rather than critical due to the small number of installations using this listener and that it would be highly unusual for the JMX ports to be accessible to an attacker even when the listener is used.

This was fixed in revision 1767646.

This issue was reported to the Apache Tomcat Security Team on 19 October 2016 and made public on 22 November 2016.

Affects: 8.5.0 to 8.5.6

Important: Denial of Service CVE-2016-6817

The HTTP/2 header parser entered an infinite loop if a header was received that was larger than the available buffer. This made a denial of service attack possible.

This was fixed in revision 1765798.

This issue was reported as 60232 on 10 October 2016 and the security implications identified by the Apache Tomcat Security Team on the same day. It was made public on 22 November 2016.

Affects: 8.5.0 to 8.5.6

Important: Information Disclosure CVE-2016-6816

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. By manipulating the HTTP response the attacker could poison a web-cache, perform an XSS attack and/or obtain sensitive information from requests other then their own.

This was fixed in revision 1767645.

This issue was reported to the Apache Tomcat Security Team on 11 October 2016 and made public on 22 November 2016.

Affects: 8.5.0 to 8.5.6

CPENameOperatorVersion
apache tomcatge8.5.0
apache tomcatle8.5.6

CVSS2

10

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:N/AC:L/Au:N/C:C/I:C/A:C

CVSS3

9.8

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

EPSS

0.737

Percentile

98.1%