VDB-213817 · CVE-2022-39347 · GHSA-c5xq-8v35-pffg

FreeRDP up to 2.8.x Drive Channel path traversal

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3.6	$0-$5k	0.00

Summaryinfo

A vulnerability identified as critical has been detected in FreeRDP up to 2.8.x. Affected is an unknown function of the component Drive Channel Handler. This manipulation causes path traversal. This vulnerability is tracked as CVE-2022-39347. The attack is possible to be carried out remotely. No exploit exists. You should upgrade the affected component.

Detailsinfo

A vulnerability has been found in FreeRDP up to 2.8.x and classified as problematic. Affected by this vulnerability is some unknown functionality of the component Drive Channel Handler. The manipulation with an unknown input leads to a path traversal vulnerability. The CWE definition for the vulnerability is CWE-22. The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory. As an impact it is known to affect confidentiality. The summary by CVE is:

FreeRDP is a free remote desktop protocol library and clients. Affected versions of FreeRDP are missing path canonicalization and base path check for `drive` channel. A malicious server can trick a FreeRDP based client to read files outside the shared directory. This issue has been addressed in version 2.9.0 and all users are advised to upgrade. Users unable to upgrade should not use the `/drive`, `/drives` or `+home-drive` redirection switch.

The weakness was disclosed 11/17/2022 as GHSA-c5xq-8v35-pffg. The advisory is shared at github.com. This vulnerability is known as CVE-2022-39347 since 09/02/2022. It demands that the victim is doing some kind of user interaction. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1006 for this issue.

The vulnerability scanner Nessus provides a plugin with the ID 211437 (Fedora 37 : freerdp (2022-076b1c9978)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 2.9.0 eliminates this vulnerability. Applying the patch 027424c2c6c0991cb9c22f9511478229c9b17e5d is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

The vulnerability is also documented in the databases at Tenable (211437) and CERT Bund (WID-SEC-2023-1185). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Affected

Debian Linux
Amazon Linux 2
Red Hat Enterprise Linux
Fedora Linux
Ubuntu Linux
SUSE Linux
Oracle Linux
Gentoo Linux
SUSE openSUSE
Red Hat OpenShift
RESF Rocky Linux

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: 3.6
VulDB Meta Temp Score: 3.6

VulDB Base Score: 2.6
VulDB Temp Score: 2.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.7
NVD Vector: 🔍

CNA Base Score: 2.6
CNA Vector (GitHub, Inc.): 🔍

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: Path traversal
CWE: CWE-22
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: 211437
Nessus Name: Fedora 37 : freerdp (2022-076b1c9978)

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: FreeRDP 2.9.0
Patch: 027424c2c6c0991cb9c22f9511478229c9b17e5d

Timelineinfo

09/02/2022 🔍
11/17/2022 +76 days 🔍
11/17/2022 +0 days 🔍
11/29/2025 +1108 days 🔍

Sourcesinfo

Product: github.com

Advisory: GHSA-c5xq-8v35-pffg
Status: Confirmed

CVE: CVE-2022-39347 (🔍)
GCVE (CVE): GCVE-0-2022-39347
GCVE (VulDB): GCVE-100-213817
CERT Bund: WID-SEC-2023-1185 - Red Hat Enterprise Linux: Mehrere Schwachstellen

Entryinfo

Created: 11/17/2022 10:10
Updated: 11/29/2025 21:54
Changes: 11/17/2022 10:10 (52), 12/19/2022 13:23 (12), 11/15/2024 22:07 (16), 04/28/2025 16:55 (4), 11/05/2025 13:08 (1), 11/29/2025 21:54 (7)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.