Buffer overflow in uC-HTTP and Cesium NET - CVE-2023-31247
Published: November 24, 2023
Vulnerability identifier: #VU83481
CSH Severity: High
CVSS v4: 9.2 [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]
CVE-ID: CVE-2023-31247
CWE-ID: CWE-119
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
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.
Affected software
uC-HTTP
Cesium NET
Gecko Platform
Cesium NET
Gecko Platform
How to mitigate CVE-2023-31247
Install updates from vendor's website.