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Vulnerability of Eclipse Jetty: information disclosure via Double Content-Length

Synthesis of the vulnerability 

An attacker can bypass access restrictions to data via Double Content-Length of Eclipse Jetty, in order to obtain sensitive information.
Impacted products: Debian, Jetty, Fedora, QRadar SIEM, SnapManager, Puppet.
Severity of this bulletin: 2/4.
Creation date: 26/06/2018.
Références of this threat: 1103493, CVE-2017-7658, DSA-4278-1, FEDORA-2018-48b73ed393, FEDORA-2018-93a507fd0f, NTAP-20181014-0001, VIGILANCE-VUL-26535.

Description of the vulnerability 

An attacker can bypass access restrictions to data via Double Content-Length of Eclipse Jetty, in order to obtain sensitive information.
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This computer weakness alert impacts software or systems such as Debian, Jetty, Fedora, QRadar SIEM, SnapManager, Puppet.

Our Vigil@nce team determined that the severity of this weakness note 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 weakness bulletin.

Solutions for this threat 

Eclipse Jetty: version 9.4.11.
The version 9.4.11 is fixed:
  https://www.eclipse.org/jetty/download.html

Eclipse Jetty: version 9.3.24.
The version 9.3.24 is fixed:
  https://www.eclipse.org/jetty/download.html

Eclipse Jetty: version 9.2.25.
The version 9.2.25 is fixed:
  https://www.eclipse.org/jetty/download.html

Debian 9: new jetty9 packages.
New packages are available:
  Debian 9: jetty9 9.2.21-1+deb9u1

Fedora: new jetty packages.
New packages are available:
  Fedora 27: jetty 9.4.11-2.v20180605.fc27
  Fedora 28: jetty 9.4.11-2.v20180605.fc28

IBM QRadar SIEM: patch for Eclipse Jetty.
A patch is indicated in information sources.

Puppet Enterprise: versions 2018.1.5 and 2019.0.1.
Versions 2018.1.5 and 2019.0.1 are fixed:
  https://puppet.com/
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