CVE-2020-11047: Out-of-bounds Read in FreeRDP

Published May 7, 2020
·
Updated

In FreeRDP after 1.1 and before 2.0.0, there is an out-of-bounds read in autodetectrecvbandwidthmeasureresults. A malicious server can extract up to 8 bytes of client memory with a manipulated message by providing a short input and reading the measurement result data. This has been patched in 2.0.0.

Affected Software

7 affected componentsFixes available
FreeRDP freerdp>1.1.0<2.0.0
Canonical Ubuntu Linux=18.04
Canonical Ubuntu Linux=19.10
Canonical Ubuntu Linux=20.04
debian/freerdp2
2.3.0+dfsg1-2+deb11u12.3.0+dfsg1-2+deb11u32.10.0+dfsg1-1
Canonical Ubuntu Linux=18.04
Debian Debian Linux=10.0

Event History

May 7, 2020
CVE Published
via MITRE·12:00 AM
Data Sourced
via MITRE·12:00 AM
DescriptionSeverityWeakness
Jan 11, 2024
Data Sourced
via Launchpad·11:35 PM
Description
Sep 16, 2024
Data Sourced
via Ubuntu·02:20 AM
RemedyDescriptionSeverityAffected Software
Feb 23, 2025
Data Sourced
via Debian·04:05 AM
DescriptionAffected Software

Frequently Asked Questions

1

What is the severity of CVE-2020-11047?

CVE-2020-11047 has a CVSS score that indicates a medium severity due to its potential for memory disclosure.

2

How do I fix CVE-2020-11047?

To fix CVE-2020-11047, upgrade FreeRDP to version 2.3.0+dfsg1-2+deb11u1 or later.

3

Which versions of FreeRDP are affected by CVE-2020-11047?

CVE-2020-11047 affects FreeRDP versions after 1.1 and before 2.0.0.

4

What impact does CVE-2020-11047 have on a system?

CVE-2020-11047 allows a malicious server to read up to 8 bytes of client memory, potentially leading to sensitive information exposure.

5

Is CVE-2020-11047 present in Ubuntu releases?

Yes, CVE-2020-11047 is present in certain versions of Ubuntu Linux, including 18.04, 19.10, and 20.04.

Contact

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