Denial of service in Silicon Labs Gecko Platform

1) NULL pointer dereference

EUVDB-ID: #VU88817

Risk: Medium

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2023-51391

CWE-ID: CWE-476 - NULL Pointer Dereference

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a NULL pointer dereference error in the HTTP server header parsing functionality. A remote attacker can pass specially crafted data to the application and perform a denial of service (DoS) attack.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Gecko Platform: 4.3.2.0

CPE2.3

• cpe:2.3:a:silicon_labs:gecko_platform:4.3.2.0:*:*:*:*:*:*:*

External links

https://community.silabs.com/068Vm000004688g
https://www.talosintelligence.com/vulnerability_reports/TALOS-2024-1945

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.