CVE-2022-39347

Missing path sanitation with `drive` channel in FreeRDP

Description

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.

Category

2.6
CVSS
Severity: Low
CVSS 3.1 •
EPSS 0.11%
Vendor Advisory fedoraproject.org Vendor Advisory fedoraproject.org Vendor Advisory gentoo.org
Affected: FreeRDP FreeRDP
Published at:
Updated at:

References

Link Tags
https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-c5xq-8v35-pffg third party advisory
https://github.com/FreeRDP/FreeRDP/commit/027424c2c6c0991cb9c22f9511478229c9b17e5d third party advisory patch
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UDOTAOJBCZKREZJPT6VZ25GESI5T6RBG/ vendor advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YGQN3OWQNHSMWKOF4D35PF5ASKNLC74B/ vendor advisory
https://lists.debian.org/debian-lts-announce/2023/11/msg00010.html mailing list
https://security.gentoo.org/glsa/202401-16 vendor advisory

Frequently Asked Questions

What is the severity of CVE-2022-39347?
CVE-2022-39347 has been scored as a low severity vulnerability.
How to fix CVE-2022-39347?
To fix CVE-2022-39347, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2022-39347 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2022-39347 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2022-39347?
CVE-2022-39347 affects FreeRDP FreeRDP.
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