Buffer overflow in uC-HTTP and Cesium NET - CVE-2023-31247

 

Buffer overflow in uC-HTTP and Cesium NET - CVE-2023-31247

Published: November 24, 2023


Vulnerability identifier: #VU83481
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2023-31247
CWE-ID: CWE-119
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Weston Embedded
Affected software:
uC-HTTP
Cesium NET

Detailed vulnerability 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.


How to mitigate CVE-2023-31247

Install updates from vendor's website.

Sources