MEDIUM · 4.6

CVE-2022-39317

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 bas...

Vulnerability Description

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.

CVSS Score

4.6

MEDIUM

CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:L/I:L/A:L
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
LOW
Integrity
LOW
Availability
LOW

Affected Products

VendorProductVersions
FreerdpFreerdp< 2.9.0
FedoraprojectFedora36

Related Weaknesses (CWE)

References

FAQ

What is CVE-2022-39317?

CVE-2022-39317 is a vulnerability with a CVSS score of 4.6 (MEDIUM). 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 bas...

How severe is CVE-2022-39317?

CVE-2022-39317 has been rated MEDIUM with a CVSS base score of 4.6/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2022-39317?

Check the references section above for vendor advisories and patch information. Affected products include: Freerdp Freerdp, Fedoraproject Fedora.