CVE-2022-39316

Publication date 17 November 2022

Last updated 24 July 2024


Ubuntu priority

Cvss 3 Severity Score

5.7 · Medium

Score breakdown

FreeRDP is a free remote desktop protocol library and clients. In affected versions there is an out of bound read in ZGFX decoder component of FreeRDP. A malicious server can trick a FreeRDP based client to read out of bound data and try to decode it likely resulting in a crash. This issue has been addressed in the 2.9.0 release. Users are advised to upgrade.

Read the notes from the security team

Status

Package Ubuntu Release Status
freerdp 22.10 kinetic Not in release
22.04 LTS jammy Not in release
20.04 LTS focal Not in release
18.04 LTS bionic
Not affected
16.04 LTS xenial
Not affected
14.04 LTS trusty Ignored end of standard support
freerdp2 22.10 kinetic
Fixed 2.8.1+dfsg1-0ubuntu1.1
22.04 LTS jammy
Fixed 2.6.1+dfsg1-3ubuntu2.3
20.04 LTS focal
Fixed 2.2.0+dfsg1-0ubuntu0.20.04.4
18.04 LTS bionic
Fixed 2.2.0+dfsg1-0ubuntu0.18.04.4
16.04 LTS xenial Ignored end of standard support
14.04 LTS trusty Ignored end of standard support

Notes


mdeslaur

malicious server could cause client to crash

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package Patch details
freerdp2

Severity score breakdown

Parameter Value
Base score 5.7 · Medium
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction Required
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact High
Vector CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H

References

Related Ubuntu Security Notices (USN)

    • USN-5734-1
    • FreeRDP vulnerabilities
    • 22 November 2022

Other references