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Vulnerability of Open Build Service osc: Man-in-the-Middle

Synthesis of the vulnerability 

An attacker can act as a Man-in-the-Middle on Open Build Service osc, in order to read or write data in the session.
Vulnerable software: openSUSE Leap.
Severity of this announce: 2/4.
Creation date: 13/08/2019.
Références of this computer vulnerability: CVE-2019-3685, openSUSE-SU-2019:1844-1, VIGILANCE-VUL-30025.

Description of the vulnerability 

The Open Build Service osc product uses the TLS protocol, in order to create secure sessions.

However, the X.509 certificate and the service identity are not correctly checked.

An attacker can therefore act as a Man-in-the-Middle on Open Build Service osc, in order to read or write data in the session.
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This vulnerability note impacts software or systems such as openSUSE Leap.

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

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

An attacker with a expert ability can exploit this computer threat note.

Solutions for this threat 

openSUSE Leap 15.1: new osc packages.
New packages are available:
  openSUSE Leap 15.1: osc 0.165.4-lp151.2.6.1
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