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Ubuntu Security Notice USN-6522-1

Ubuntu Security Notice USN-6522-1
Posted Nov 30, 2023
Authored by Ubuntu | Site security.ubuntu.com

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.

tags | advisory, remote, denial of service, arbitrary
systems | linux, ubuntu
advisories | CVE-2022-41877
SHA-256 | 865609065980f563a252153fd91a01b72cb287a6a6682e5b26f8b9c24a700046

Ubuntu Security Notice USN-6522-1

Change Mirror Download
==========================================================================
Ubuntu Security Notice USN-6522-1
November 29, 2023

freerdp2 vulnerabilities
==========================================================================

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 23.10
- Ubuntu 23.04
- Ubuntu 22.04 LTS
- Ubuntu 20.04 LTS

Summary:

Several security issues were fixed in FreeRDP.

Software Description:
- freerdp2: RDP client for Windows Terminal Services

Details:

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. (CVE-2022-41877)

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.
(CVE-2023-39352, CVE-2023-39356)

Update instructions:

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 23.10:
libfreerdp2-2 2.10.0+dfsg1-1.1ubuntu1.1

Ubuntu 23.04:
libfreerdp2-2 2.10.0+dfsg1-1ubuntu0.3

Ubuntu 22.04 LTS:
libfreerdp2-2 2.6.1+dfsg1-3ubuntu2.5

Ubuntu 20.04 LTS:
libfreerdp2-2 2.2.0+dfsg1-0ubuntu0.20.04.6

In general, a standard system update will make all the necessary changes.

References:
https://ubuntu.com/security/notices/USN-6522-1
CVE-2022-41877, CVE-2023-39352, CVE-2023-39356

Package Information:
https://launchpad.net/ubuntu/+source/freerdp2/2.10.0+dfsg1-1.1ubuntu1.1
https://launchpad.net/ubuntu/+source/freerdp2/2.10.0+dfsg1-1ubuntu0.3
https://launchpad.net/ubuntu/+source/freerdp2/2.6.1+dfsg1-3ubuntu2.5
https://launchpad.net/ubuntu/+source/freerdp2/2.2.0+dfsg1-0ubuntu0.20.04.6

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