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Mageia 8: MGASA-2022-0383 Critical: FreeRDP Authentication Flaws

mageia
Calendar Grey October 23, 2022
Dist Mageia Esm H88
FreeRDP 2.7.0 resolves NTLM login complications in Mageia, impacting RDP server setups that utilize blank password entries.
FreeRDP is a free implementation of the Remote Desktop Protocol (RDP)

Summary

FreeRDP is a free implementation of the Remote Desktop Protocol (RDP). In versions prior to 2.7.0, NT LAN Manager (NTLM) authentication does not properly abort when someone provides and empty password value. This issue affects FreeRDP based RDP Server implementations. RDP clients are not affected. The vulnerability is patched in FreeRDP 2.7.0. There are currently no known workarounds. (CVE-2022-24882)
FreeRDP is a free implementation of the Remote Desktop Protocol (RDP). Prior to version 2.7.0, server side authentication against a 'SAM' file might be successful for invalid credentials if the server has configured an invalid 'SAM' file path. FreeRDP based clients are not affected. RDP server implementations using FreeRDP to authenticate against a 'SAM' file are affected. Version 2.7.0 contains a fix for this issue. As a workaround, use custom authentication via 'HashCallback' and/or ensure the 'SAM' database path configured is valid and the application has file handles left. (CVE-202...

Read the Full Advisory

References

- https://bugs.mageia.org/show_bug.cgi?id=30392

- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/thread/AELSWWBAM2YONRPGLWVDY6UNTLJERJYL/

- https://ubuntu.com/security/notices/USN-5461-1

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- https://www.cve.org/CVERecord?id=CVE-2022-24882

- https://www.cve.org/CVERecord?id=CVE-2022-24883

Resolution

SRPMS

- 8/core/freerdp-2.2.0-1.2.mga8

Severity
critical
Lowest
Low
Medium
High
Critical

Publication date: 23 Oct 2022
URL: https://advisories.mageia.org/MGASA-2022-0383.html
Type: security
CVE: CVE-2022-24882, CVE-2022-24883

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