Input validation error in esp-idf

1) Input validation error

EUVDB-ID: #VU53175

Risk: Low

CVSSv4.0: 4.3 [CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:A/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2020-26142

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 WEP, WPA, WPA2, and WPA3 implementations treat fragmented frames as full frames. A remote attacker on the local network can inject arbitrary network packets, independent of the network configuration.

Mitigation

Install update from vendor's website.

Vulnerable software versions

ESP-IDF: 5.1 - 5.1.2

CPE2.3

• cpe:2.3:a:espressif_systems:esp-idf:5.1:*:*:*:*:*:*:*
• cpe:2.3:a:espressif_systems:esp-idf:5.1.1:*:*:*:*:*:*:*
• cpe:2.3:a:espressif_systems:esp-idf:5.1.2:*:*:*:*:*:*:*

External links

https://github.com/espressif/esp-idf/releases/tag/v5.1.3

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.