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Vulnerability of jsch: directory traversal

Synthesis of the vulnerability 

An attacker can traverse directories of jsch, in order to read a file outside the service root path.
Vulnerable systems: Debian, Puppet.
Severity of this threat: 2/4.
Creation date: 06/09/2016.
Références of this weakness: CVE-2016-5725, DLA-611-1, RHSA-2017:3115-01, VIGILANCE-VUL-20522.

Description of the vulnerability 

An attacker can traverse directories of jsch, in order to read a file outside the service root path.
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This security alert impacts software or systems such as Debian, Puppet.

Our Vigil@nce team determined that the severity of this security weakness is medium.

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

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

Solutions for this threat 

Continuous Delivery for Puppet Enterprise: version 2.18.2.
The version 2.18.2 is fixed:
  https://puppet.com/

Debian 7: new jsch packages.
New packages are available:
  Debian 7: jsch 0.1.42-2+deb7u1

Red Hat JBoss Fuse/A-MQ: version 6.3 R5.
The version 6.3 R5 is fixed:
  https://access.redhat.com/jbossnetwork/restricted/listSoftware.html?product=jboss.fuse&downloadType=securityPatches&version=6.3
  https://access.redhat.com/jbossnetwork/restricted/listSoftware.html?downloadType=securityPatches&product=jboss.amq.broker&version=6.3.0
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