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Vulnerability of OTRS Help Desk: three vulnerabilities

Synthesis of the vulnerability 

An attacker can use several vulnerabilities of OTRS Help Desk.
Impacted software: Debian, OTRS Help Desk.
Severity of this computer vulnerability: 2/4.
Number of vulnerabilities in this bulletin: 3.
Creation date: 26/04/2019.
Références of this announce: CVE-2019-10066, CVE-2019-10067, CVE-2019-9892, DLA-1774-1, OSA-2019-04, OSA-2019-05, OSA-2019-06, VIGILANCE-VUL-29146.

Description of the vulnerability 

Several vulnerabilities were announced in OTRS Help Desk.

An attacker can transmit malicious XML data, in order to read a file, scan sites, or trigger a denial of service. [severity:2/4; CVE-2019-9892, OSA-2019-04]

An attacker can trigger a Cross Site Request Forgery, in order to force the victim to perform operations. [severity:2/4; CVE-2019-10067, OSA-2019-05]

An attacker can trigger a Cross Site Scripting, in order to run JavaScript code in the context of the web site. [severity:2/4; CVE-2019-10066, OSA-2019-06]
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This security alert impacts software or systems such as Debian, OTRS Help Desk.

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 document.

This bulletin is about 3 vulnerabilities.

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

Solutions for this threat 

OTRS Help Desk: version 6.0.18.
The version 6.0.18 is fixed:

OTRS Help Desk: version 5.0.35.
The version 5.0.35 is fixed:

Debian 8: new otrs2 packages.
New packages are available:
  Debian 8: otrs2 3.3.18-1+deb8u9
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