CVE-2022-41877
4.6
MEDIUM
CVSS 3.1
EPSS 0.19%
Description
FreeRDP is a free remote desktop protocol library and clients. Affected versions of FreeRDP are missing input length validation in `drive` 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 drive redirection channel - command line options `/drive`, `+drives` or `+home-drive`.
How to fix CVE-2022-41877
To remediate CVE-2022-41877, upgrade the affected package to a fixed version below.
- —upgrade to 2.3.0+dfsg1-2+deb11u2 or later
Is CVE-2022-41877 being exploited?
Low — EPSS is 0.2%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 2.3.0+dfsg1-2+deb11u2
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM4.6 | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:L |