VDB-155872 · CVE-2020-11043 · Nessus 236628

FreeRDP up to 2.0.0 rfx_process_message_tileset out-of-bounds

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
2.1	$0-$5k	0.00

Summaryinfo

A vulnerability labeled as problematic has been found in FreeRDP up to 2.0.0. This affects the function rfx_process_message_tileset. Executing a manipulation can lead to out-of-bounds. This vulnerability is tracked as CVE-2020-11043. The attack can be launched remotely. No exploit exists. The affected component should be upgraded.

Detailsinfo

A vulnerability classified as problematic was found in FreeRDP up to 2.0.0. This vulnerability affects the function rfx_process_message_tileset. The manipulation with an unknown input leads to a out-of-bounds vulnerability. The CWE definition for the vulnerability is CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. As an impact it is known to affect confidentiality. CVE summarizes:

In FreeRDP less than or equal to 2.0.0, there is an out-of-bounds read in rfx_process_message_tileset. Invalid data fed to RFX decoder results in garbage on screen (as colors). This has been patched in 2.1.0.

The weakness was disclosed 05/29/2020 (GitHub Repository). The advisory is shared for download at github.com. This vulnerability was named CVE-2020-11043 since 03/30/2020. The exploitation appears to be difficult. The attack can be initiated remotely. Additional levels of successful authentication are required for exploitation. There are known technical details, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 236628 (Alibaba Cloud Linux 3 : 0002: freerdp (ALINUX3-SA-2022:0002)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 2.1.0 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (236628). The entries VDB-155876, VDB-155875, VDB-155874 and VDB-155873 are pretty similar. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

Remote Access Software

Name

FreeRDP

Version

License

open-source

Website

Product: https://github.com/FreeRDP/FreeRDP/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 2.2
VulDB Meta Temp Score: 2.2

VulDB Base Score: 2.2
VulDB Temp Score: 2.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 2.2
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
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💳	💳	💳	💳	💳	💳
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Out-of-bounds
CWE: CWE-125 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Nessus ID: 236628
Nessus Name: Alibaba Cloud Linux 3 : 0002: freerdp (ALINUX3-SA-2022:0002)

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: FreeRDP 2.1.0

Timelineinfo

03/30/2020 🔍
05/29/2020 +60 days 🔍
05/30/2020 +1 days 🔍
05/19/2025 +1815 days 🔍

Sourcesinfo

Product: github.com

Advisory: github.com
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2020-11043 (🔍)
GCVE (CVE): GCVE-0-2020-11043
GCVE (VulDB): GCVE-100-155872
See also: 🔍

Entryinfo

Created: 05/30/2020 09:15
Updated: 05/19/2025 21:24
Changes: 05/30/2020 09:15 (39), 05/30/2020 09:20 (11), 10/20/2020 20:21 (1), 10/20/2020 20:30 (1), 05/19/2025 21:24 (21)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.