FreeRDP up to 2.8.x urbdrc Channel out-of-bounds

CVSS Meta Temp Score
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CTI Interest Score
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4.5$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, has been found in FreeRDP up to 2.8.x. Impacted is an unknown function of the component urbdrc Channel Handler. This manipulation causes out-of-bounds. This vulnerability appears as CVE-2022-39319. The attack may be initiated remotely. There is no available exploit. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability classified as problematic was found in FreeRDP up to 2.8.x. Affected by this vulnerability is an unknown functionality of the component urbdrc Channel Handler. 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, integrity, and availability. The summary by CVE is:

FreeRDP is a free remote desktop protocol library and clients. Affected versions of FreeRDP are missing input length validation in the `urbdrc` channel. A malicious server can trick a FreeRDP based client to read out of bound data and send it back to the server. 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 `/usb` redirection switch.

The weakness was presented 11/17/2022 as GHSA-mvxm-wfj2-5fvh. It is possible to read the advisory at github.com. This vulnerability is known as CVE-2022-39319 since 09/02/2022. It demands that the victim is doing some kind of user interaction. The technical details are unknown and an exploit is not publicly available.

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 11555828d2cf289b350baba5ad1f462f10b80b76 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). Be aware that VulDB is the high quality source for 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

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.6
VulDB Meta Temp Score: 4.5

VulDB Base Score: 4.6
VulDB Temp Score: 4.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 4.6
NVD Vector: 🔍

CNA Base Score: 4.6
CNA Vector (GitHub, Inc.): 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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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: 🔍

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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: 11555828d2cf289b350baba5ad1f462f10b80b76

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-mvxm-wfj2-5fvh
Status: Confirmed

CVE: CVE-2022-39319 (🔍)
GCVE (CVE): GCVE-0-2022-39319
GCVE (VulDB): GCVE-100-213823
CERT Bund: WID-SEC-2023-1185 - Red Hat Enterprise Linux: Mehrere Schwachstellen

Entryinfo

Created: 11/17/2022 10:18
Updated: 11/29/2025 21:54
Changes: 11/17/2022 10:18 (52), 12/19/2022 13:51 (10), 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

Be aware that VulDB is the high quality source for vulnerability data.

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