The Vigil@nce team watches public vulnerabilities impacting your computers, and then offers security solutions, a database and tools to fix them.

Vulnerability of Apache Tomcat: infinite loop via HTTP/2

Synthesis of the vulnerability

An attacker can generate an infinite loop via HTTP/2 of Apache Tomcat, in order to trigger a denial of service.
Severity of this weakness: 2/4.
Creation date: 22/11/2016.
Références of this bulletin: CVE-2016-6817, FEDORA-2016-98cca07999, FEDORA-2016-9c33466fbb, FEDORA-2016-a98c560116, NTAP-20180605-0001, NTAP-20180607-0001, NTAP-20180607-0002, NTAP-20180614-0001, VIGILANCE-VUL-21174.

Description of the vulnerability

An attacker can generate an infinite loop via HTTP/2 of Apache Tomcat, in order to trigger a denial of service.
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This threat announce impacts software or systems such as Tomcat, Fedora, Snap Creator Framework.

Our Vigil@nce team determined that the severity of this cybersecurity alert is medium.

The trust level is of type confirmed by the editor, with an origin of internet client.

An attacker with a expert ability can exploit this security alert.

Solutions for this threat

Apache Tomcat: version 8.5.8.
The version 8.5.8 is fixed:
  http://tomcat.apache.org/

Fedora: new tomcat packages.
New packages are available:
  Fedora 23: tomcat 8.0.39-1.fc23
  Fedora 24: tomcat 8.0.39-1.fc24
  Fedora 25: tomcat 8.0.39-1.fc25

Snap Creator Framework: patch for Tomcat.
A patch is available:
  https://mysupport.netapp.com/NOW/download/software/snapcreator_framework/4.3.1P1/
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