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Category:   Application (Web Server/CGI)  >   Apache Tomcat Vendors:   Apache Software Foundation
Apache Tomcat HTTPS Request Processing Bug Lets Remote Users Deny Service
SecurityTracker Alert ID:  1037860
SecurityTracker URL:
CVE Reference:   CVE-2017-6056   (Links to External Site)
Date:  Feb 21 2017
Impact:   Denial of service via network
Fix Available:  Yes  Vendor Confirmed:  Yes  Exploit Included:  Yes  
Version(s): 6, 7
Description:   A vulnerability was reported in Apache Tomcat. A remote user can cause denial of service conditions on the target system.

A remote user can send specially crafted HTTPS requests to cause the target service to enter an infinite loop.

[Editor's note: The vulnerability was introduced in a fix for Debian/Ubuntu Linux for CVE-2016-6816 (see Alert ID 1037332) that did not back-port the fix for Debian bug number 57544.]

Ralf Hauser reported this vulnerability.

Impact:   A remote user can the target service to enter an infinite loop.
Solution:   Ubuntu has issued a fix.

The Ubuntu advisory is available at:

Vendor URL: (Links to External Site)
Cause:   State error
Underlying OS:  Linux (Ubuntu)
Underlying OS Comments:  12.04 LTS, 14.04 LTS

Message History:   None.

 Source Message Contents

[Original Message Not Available for Viewing]

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