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Vulnerability of Sonus SBC: directory traversal via Web Interface

Synthesis of the vulnerability 

An attacker can traverse directories via Web Interface of Sonus SBC, in order to read a file outside the service root path.
Vulnerable software: Sonus SBC.
Severity of this announce: 2/4.
Creation date: 10/07/2018.
Références of this computer vulnerability: CVE-2018-11543, VIGILANCE-VUL-26671.

Description of the vulnerability 

An attacker can traverse directories via Web Interface of Sonus SBC, in order to read a file outside the service root path.
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This security note impacts software or systems such as Sonus SBC.

Our Vigil@nce team determined that the severity of this threat announce 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 computer weakness announce.

Solutions for this threat 

Sonus SBC: version 6.1.6.
The version 6.1.6 is fixed:
  https://support.sonus.net/
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