802.11 Frame Aggregation and Fragmentation Vulnerabilities in ArubaOS



Published: 2021-05-12
Risk Low
Patch available YES
Number of vulnerabilities 2
CVE-ID CVE-2020-24588
CVE-2020-26146
CWE-ID CWE-451
CWE-20
Exploitation vector Local network
Public exploit N/A
Vulnerable software
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ArubaOS
Operating systems & Components / Operating system

Vendor Aruba Networks

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Spoofing attack

EUVDB-ID: #VU53098

Risk: Low

CVSSv3.1: 4.7 [CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-24588

CWE-ID: CWE-451 - User Interface (UI) Misrepresentation of Critical Information (Clickjacking, spoofing)

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform spoofing attack.

The vulnerability exists due to incorrect processing of user-supplied data in Windows Wireless Networking. A remote attacker on the local network can spoof page content.

Mitigation

Install update from vendor's website.

Vulnerable software versions

ArubaOS: 6.4.2.1 - 8.7.1.1

External links

http://www.arubanetworks.com/assets/alert/ARUBA-PSA-2021-011.txt


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the local network (LAN).

Is there known malware, which exploits this vulnerability?

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

2) Input validation error

EUVDB-ID: #VU53167

Risk: Low

CVSSv3.1: 5 [CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-26146

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote attacker to compromise the target system.

The vulnerability exists due to the WPA, WPA2, and WPA3 implementations reassemble fragments with non-consecutive packet numbers. A remote attacker on the local network can exfiltrate selected fragments.

Mitigation

Install update from vendor's website.

Vulnerable software versions

ArubaOS: 6.4.2.1 - 8.7.1.1

External links

http://www.arubanetworks.com/assets/alert/ARUBA-PSA-2021-011.txt


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the local network (LAN).

Is there known malware, which exploits this vulnerability?

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



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