CVE-2022-41877 Missing input length validation in `drive` channel in FreeRDP

What is CVE-2022-41877?

CVE-2022-41877 is a medium-severity vulnerability in Fedoraproject Fedora, published on 16 Nov 2022. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

Official 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`.

Weakness: CWE-1284, CWE-119

Which versions are affected by CVE-2022-41877?

It affects 2 products.

Products include Fedoraproject Fedora, Freerdp Freerdp.

How do I fix CVE-2022-41877?

Upgrade to a fixed version.

Is CVE-2022-41877 being exploited?

There is no known exploitation of CVE-2022-41877 in the wild and no public exploit code.

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All Fedoraproject Fedora vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as CLEANSTART-2024-AZ46838, DEBIAN-CVE-2022-41877, GHSA-pmv3-wpw4-pw5h, MGASA-2022-0474, UBUNTU-CVE-2022-41877.