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
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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

CVSSv3.1: 2.7 [CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]

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 - 2.6.1

CPE2.3 External links

http://www.freerdp.com/2022/04/25/2_7_0-release
http://github.com/FreeRDP/FreeRDP/issues/7745
http://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

CVSSv3.1: 7.9 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N/E:U/RL:O/RC:C]

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 - 2.6.1

CPE2.3 External links

http://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

CVSSv3.1: 7.9 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N/E:U/RL:O/RC:C]

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 - 2.6.1

CPE2.3 External links

http://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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