Use After Free Affecting freerdp2 package, versions <2.2.0+dfsg1-0ubuntu0.18.04.1


Severity

Recommended
medium

Based on Ubuntu security rating.

Threat Intelligence

EPSS
0.5% (77th percentile)

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  • Snyk IDSNYK-UBUNTU1804-FREERDP2-573091
  • published23 Jun 2020
  • disclosed22 Jun 2020

Introduced: 22 Jun 2020

CVE-2020-4031  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade Ubuntu:18.04 freerdp2 to version 2.2.0+dfsg1-0ubuntu0.18.04.1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream freerdp2 package and not the freerdp2 package as distributed by Ubuntu. See How to fix? for Ubuntu:18.04 relevant fixed versions and status.

In FreeRDP before version 2.1.2, there is a use-after-free in gdi_SelectObject. All FreeRDP clients using compatibility mode with /relax-order-checks are affected. This is fixed in version 2.1.2.

CVSS Scores

version 3.1