Vulnerability identifier: #VU83481

Vulnerability risk: High

CVSSv3.1: 7.8 [CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-31247

CWE-ID: CWE-119

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
uC-HTTP
Operating systems & Components / Operating system
Cesium NET
Other software / Other software solutions

Vendor: Weston Embedded

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error in the HTTP Server Host header parsing functionality. A remote attacker can trigger memory corruption and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

uC-HTTP: 3.01.01

Cesium NET: 3.07.01

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External links
http://talosintelligence.com/vulnerability_reports/TALOS-2023-1746

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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.