CVE-2022-39320: Heap buffer overflow in urbdrc channel
FreeRDP is a free remote desktop protocol library and clients. Affected versions of FreeRDP may attempt integer addition on too narrow types leads to allocation of a buffer too small holding the data written. 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 /usb redirection switch.
Affected Software
Event History
Frequently Asked Questions
What is CVE-2022-39320?
CVE-2022-39320 is a vulnerability in FreeRDP, a remote desktop protocol library and client, which can be exploited by a malicious server to read out-of-bounds data.
What is the severity of CVE-2022-39320?
The severity of CVE-2022-39320 is medium with a CVSS score of 4.6.
Which software versions are affected by CVE-2022-39320?
Versions up to and excluding 2.9.0 of FreeRDP, Fedora 36, and Fedora 37 are affected by CVE-2022-39320.
How can CVE-2022-39320 be exploited?
CVE-2022-39320 can be exploited by a malicious server tricking a FreeRDP-based client to read out-of-bounds data.
Are there any references for CVE-2022-39320?
Yes, you can find more information about CVE-2022-39320 at the following references: [1](https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-qfq2-82qr-7f4j), [2](https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/UDOTAOJBCZKREZJPT6VZ25GESI5T6RBG/), [3](https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/YGQN3OWQNHSMWKOF4D35PF5ASKNLC74B/)