Multiple vulnerabilities in FreeRDP



| Updated: 2022-04-26
Risk High
Patch available YES
Number of vulnerabilities 3
CVE-ID CVE-2022-24882
CVE-2022-24883
CWE-ID CWE-415
CWE-287
Exploitation vector Network
Public exploit N/A
Vulnerable software
 FreeRDP
Universal components / Libraries / Libraries used by multiple products

Vendor FreeRDP

Security Bulletin

This security bulletin contains information about 3 vulnerabilities.

Updated: 26.04.2022

Updated description for vulnerability #VU62577, added 2 vulnerabilities and raised bulletin severity level from Medium to High.

1) Double Free

EUVDB-ID: #VU62577

Risk: Low

CVSSv4.0: 0.5 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: N/A

CWE-ID: CWE-415 - Double Free

Exploit availability: No

Description

The vulnerability allows a remote attacker to crash the application.

The vulnerability exists due to a double free error in GFX progressive implementation. A remote attacker can pass specially crafted data to the application, trigger a double free error and crash the application.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

FreeRDP: 2.0.0 rc0 - 2.6.1

CPE2.3 External links

https://www.freerdp.com/2022/04/25/2_7_0-release
https://github.com/FreeRDP/FreeRDP/issues/7745
https://github.com/FreeRDP/FreeRDP/releases/tag/2.7.0


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

2) Improper Authentication

EUVDB-ID: #VU62593

Risk: High

CVSSv4.0: 8 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2022-24882

CWE-ID: CWE-287 - Improper Authentication

Exploit availability: No

Description

The vulnerability allows a remote attacker to bypass authentication process.

The vulnerability exists due to an error when processing NTLM authentication requests with an empty password. A remote attacker can bypass authentication process and gain unauthorized access to the application.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

FreeRDP: 1.0 beta1 - 2.6.1

CPE2.3 External links

https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-6x5p-gp49-3jhh


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

3) Improper Authentication

EUVDB-ID: #VU62592

Risk: High

CVSSv4.0: 8 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2022-24883

CWE-ID: CWE-287 - Improper Authentication

Exploit availability: No

Description

The vulnerability allows a remote attacker to bypass authentication process.

The vulnerability exists due to an error when parsing SAM file during server side authentication, if the server has configured an invalid SAM path. A remote attacker can bypass authentication process and gain unauthorized access to the system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

FreeRDP: 1.0 beta1 - 2.6.1

CPE2.3 External links

https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-qxm3-v2r6-vmwf


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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