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Vulnerability · Published Jun 22, 2020 · Assigned by GitHub_M

CVE-2020-4033OOB Read in RLEDECOMPRESS in FreeRDP

Low 3.1

In plain English

A low-severity out-of-bounds read 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 1.8% (higher than 78% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)3.1Low
Exploit odds (30 days)1.8%top 21.9% 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 an out of bounds read in RLEDECOMPRESS. All FreeRDP based clients with sessions with color depth < 32 are affected. This is fixed in version 2.1.2.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
AlmaLinux:8freerdp-devel2:2.2.0-1.el8ALSA-2021:1849
Alpine:v3.20freerdp2.1.2-r0ALPINE-CVE-2020-4033
Alpine:v3.21freerdp2.1.2-r0ALPINE-CVE-2020-4033
Alpine:v3.22freerdp2.1.2-r0ALPINE-CVE-2020-4033
Alpine:v3.23freerdp2.1.2-r0ALPINE-CVE-2020-4033
Alpine:v3.24freerdp2.1.2-r0ALPINE-CVE-2020-4033
Alpine:v3.22freerdp22.1.2-r0ALPINE-CVE-2020-4033
Alpine:v3.23freerdp22.1.2-r0ALPINE-CVE-2020-4033
Alpine:v3.24freerdp22.1.2-r0ALPINE-CVE-2020-4033
Debian:12freerdp22.1.2+dfsg1-1DEBIAN-CVE-2020-4033
Rocky Linux:8freerdp2:2.2.0-1.el8RLSA-2021:1849
Rocky Linux:8freerdp2:2.2.0-10.el8RLSA-2021:1849

Affected products (as reported)

VendorProductVersions
FreeRDP FreeRDP < 2.1.2

Weakness: CWE-125 · Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N

References