Trolltech Qt Virtual Keyboard Keystroke Logging Vulnerability [CVE-2018-19865]

CVE Number – CVE-2018-19865

A vulnerability in the Virtual Keyboard component of Trolltech Qt could allow an unauthenticated, remote attacker to access sensitive information on a targeted system.

The vulnerability is due to a keystroke logging issue that exists within the affected software. An attacker who can view the keystroke logs on a targeted system could exploit this vulnerability to gain access to sensitive information. An exploit could be used to conduct further attacks. 

Trolltech has confirmed the vulnerability and released software updates.

Analysis

  • To exploit this vulnerability, the attacker may need access to the same internal, trusted network where the targeted system may reside, in order to gain access to the keystroke logs on the system. This access requirement may reduce the likelihood of a successful exploit.

Safeguards

  • Administrators are advised to apply the appropriate updates.

    Administrators are advised to allow only trusted users to have network access.

    Administrators are advised to run both firewall and antivirus applications to minimize the potential of inbound and outbound threats.

    Administrators may consider using IP-based access control lists (ACLs) to allow only trusted systems to access the affected systems.

    Administrators can help protect affected systems from external attacks by using a solid firewall strategy.

    Administrators are advised to monitor affected systems.

Vendor Announcements

Fixed Software

  • Trolltech has released software updates at the following link: Qt 5.11.3

Duncan Newell

Duncan is a technology professional with over 20 years experience of working in various IT roles. He has a interest in cyber security, and has a wide range of other skills in radio, electronics and telecommunications.

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