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Date: Mon, 26 Aug 2019 09:25:18 -0300
From: Carlos Eduardo <>
Subject: CVE-2019-15525: Missing TLS/SSL certificate validation in pw3270

CVE: Missing TLS/SSL certificate validation in pw3270

Affected versions: all versions before 5.1

pw3270 is a GTK based tn3270 terminal emulator. Versions up to 5.0 are
vulnerable to a TLS/SSL certificate validation flaw, leading to attackers
in a MitM position being able to affect confidentiality, integrity and
availability of traffic between the client and host, including credentials
used. This flaw was fixed in version 5.1.

Upgrade to version 5.1 and up.

This vulnerability was discovered by Carlos Gon├žalves.

Carlos Gon├žalves
IT Security Analyst

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