FreeRDP up to 2.8.x ZGFX Decoder 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 classified as problematic has been found in FreeRDP up to 2.8.x. This vulnerability affects unknown code of the component ZGFX Decoder. The manipulation leads to out-of-bounds. This vulnerability is documented as CVE-2022-39317. The attack can be initiated remotely. There is not any exploit available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in FreeRDP up to 2.8.x. It has been rated as problematic. This issue affects some unknown processing of the component ZGFX Decoder. The manipulation with an unknown input leads to a out-of-bounds vulnerability. Using CWE to declare the problem leads to CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. Impacted is 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 a range check for input offset index in ZGFX decoder. A malicious server can trick a FreeRDP based client to read out of bound data and try to decode it. This issue has been addressed in version 2.9.0. There are no known workarounds for this issue.

The weakness was released 11/17/2022 as GHSA-99cm-4gw7-c8jh. The advisory is shared at github.com. The identification of this vulnerability is CVE-2022-39317 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.

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.

The vulnerability is also documented in the databases at Tenable (211437) and CERT Bund (WID-SEC-2023-1185). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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

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-99cm-4gw7-c8jh
Status: Confirmed

CVE: CVE-2022-39317 (🔍)
GCVE (CVE): GCVE-0-2022-39317
GCVE (VulDB): GCVE-100-213821
CERT Bund: WID-SEC-2023-1185 - Red Hat Enterprise Linux: Mehrere Schwachstellen

Entryinfo

Created: 11/17/2022 10:17
Updated: 11/29/2025 21:54
Changes: 11/17/2022 10:17 (50), 12/19/2022 13:40 (10), 11/15/2024 22:07 (16), 04/28/2025 16:55 (4), 11/29/2025 21:54 (7)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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