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Vulnerability · Published Jun 22, 2020 · Assigned by GitHub_M

CVE-2020-11096Global OOB read in update_read_cache_bitmap_v3_order in FreeRDP

Low 3.5

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 79% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)3.5Low
Exploit odds (30 days)1.8%top 21.0% 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 global OOB read in update_read_cache_bitmap_v3_order. As a workaround, one can disable bitmap cache with -bitmap-cache (default). 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-2020-11096
Alpine:v3.21freerdp2.1.2-r0ALPINE-CVE-2020-11096
Alpine:v3.22freerdp2.1.2-r0ALPINE-CVE-2020-11096
Alpine:v3.23freerdp2.1.2-r0ALPINE-CVE-2020-11096
Alpine:v3.24freerdp2.1.2-r0ALPINE-CVE-2020-11096
Alpine:v3.22freerdp22.1.2-r0ALPINE-CVE-2020-11096
Alpine:v3.23freerdp22.1.2-r0ALPINE-CVE-2020-11096
Alpine:v3.24freerdp22.1.2-r0ALPINE-CVE-2020-11096
Debian:12freerdp22.1.2+dfsg1-1DEBIAN-CVE-2020-11096
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:C/C:N/I:L/A:N

References