Headline
CVE-2022-41877: Missing input length validation in `drive` channel
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
.
Impact
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
Patches
2.9.0
Workarounds
Do not use the drive redirection channel - command line options /drive, +drives or +home-drive
Issue Reporter
Reported by 'Team BT5 (BoB 11th)'
For more information
If you have any questions or comments about this advisory:
- Open an issue in https://github.com/FreeRDP/FreeRDP
- See https://www.freerdp.com/ for contact details
- Email us at [email protected]
Related news
Gentoo Linux Security Advisory 202401-16 - Multiple vulnerabilities have been discovered in FreeRDP, the worst of which could result in code execution. Versions greater than or equal to 2.11.0 are affected.
Ubuntu Security Notice 6522-2 - USN-6522-1 fixed several vulnerabilities in FreeRDP. This update provides the corresponding update for Ubuntu 18.04 LTS. It was discovered that FreeRDP incorrectly handled drive redirection. If a user were tricked into connection to a malicious server, a remote attacker could use this issue to cause FreeRDP to crash, resulting in a denial of service, or possibly obtain sensitive information. It was discovered that FreeRDP incorrectly handled certain surface updates. A remote attacker could use this issue to cause FreeRDP to crash, resulting in a denial of service, or possibly execute arbitrary code.
Ubuntu Security Notice 6522-1 - It was discovered that FreeRDP incorrectly handled drive redirection. If a user were tricked into connection to a malicious server, a remote attacker could use this issue to cause FreeRDP to crash, resulting in a denial of service, or possibly obtain sensitive information. It was discovered that FreeRDP incorrectly handled certain surface updates. A remote attacker could use this issue to cause FreeRDP to crash, resulting in a denial of service, or possibly execute arbitrary code.
Red Hat Security Advisory 2023-2851-01 - FreeRDP is a free implementation of the Remote Desktop Protocol, released under the Apache license. The xfreerdp client can connect to RDP servers such as Microsoft Windows machines, xrdp, and VirtualBox. Issues addressed include buffer overflow and out of bounds read vulnerabilities.
An update for freerdp is now available for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original. Related CVEs: * CVE-2022-39282: A vulnerability was found in FreeRDP where clients on UNIX systems using /parallel command line switch might read uninitialized data and send it to the client's server. The vulnerability allows a remote attacker to gain access to sensitive information. * CVE-2022-39283: A vulnerability was found in FreeRDP where all clients using the /video comma...
An update for freerdp is now available for Red Hat Enterprise Linux 9. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original. Related CVEs: * CVE-2022-39282: A vulnerability was found in FreeRDP where clients on UNIX systems using /parallel command line switch might read uninitialized data and send it to the client's server. The vulnerability allows a remote attacker to gain access to sensitive information. * CVE-2022-39283: A vulnerability was found in FreeRDP where all clients using the /video comma...