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Vulnerability · Published Jun 22, 2020 · Assigned by GitHub_M

CVE-2020-4031Use-After-Free in gdi_SelectObject in FreeRDP

Low 3.5

In plain English

A low-severity use-after-free in FreeRDP from FreeRDP. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.6% (higher than 76% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)3.5Low
Exploit odds (30 days)1.6%top 23.9% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official description

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.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Alpine:v3.20freerdp2.1.2-r0ALPINE-CVE-2020-4031
Alpine:v3.21freerdp2.1.2-r0ALPINE-CVE-2020-4031
Alpine:v3.22freerdp2.1.2-r0ALPINE-CVE-2020-4031
Alpine:v3.23freerdp2.1.2-r0ALPINE-CVE-2020-4031
Alpine:v3.24freerdp2.1.2-r0ALPINE-CVE-2020-4031
Alpine:v3.22freerdp22.1.2-r0ALPINE-CVE-2020-4031
Alpine:v3.23freerdp22.1.2-r0ALPINE-CVE-2020-4031
Alpine:v3.24freerdp22.1.2-r0ALPINE-CVE-2020-4031
Debian:12freerdp22.1.2+dfsg1-1DEBIAN-CVE-2020-4031

Affected products (as reported)

VendorProductVersions
FreeRDP FreeRDP < 2.1.2

Weakness: CWE-416 · Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:N/I:L/A:N

References