Vulnerability Description
An issue was discovered in the Hyundai Gen5W_L in-vehicle infotainment system AE_E_PE_EUR.S5W_L001.001.211214. The decryption binary used to decrypt firmware files has an information leak that allows an attacker to read the AES key and initialization vector from memory. An attacker may exploit this to create custom firmware that may be installed in the IVI system. Then, an attacker may be able to install a backdoor in the IVI system that may allow him to control it, if it is connected to the Internet through Wi-Fi.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Hyundai | Gen5W L In-Vehicle Infotainment System Firmware | 5w.xxx.s5w_l.001.001.221129 |
| Hyundai | Gen5W L In-Vehicle Infotainment System | - |
Related Weaknesses (CWE)
References
- https://sowhat.iit.cnr.itNot Applicable
- https://sowhat.iit.cnr.it:8443/can-work/chimaeraExploitThird Party Advisory
- https://sowhat.iit.cnr.it:8443/can-work/chimaera/-/blob/main/Report/IIT-01-2023.ExploitThird Party Advisory
- https://sowhat.iit.cnr.itNot Applicable
- https://sowhat.iit.cnr.it:8443/can-work/chimaeraExploitThird Party Advisory
- https://sowhat.iit.cnr.it:8443/can-work/chimaera/-/blob/main/Report/IIT-01-2023.ExploitThird Party Advisory
FAQ
What is CVE-2023-26243?
CVE-2023-26243 is a vulnerability with a CVSS score of 7.8 (HIGH). An issue was discovered in the Hyundai Gen5W_L in-vehicle infotainment system AE_E_PE_EUR.S5W_L001.001.211214. The decryption binary used to decrypt firmware files has an information leak that allows ...
How severe is CVE-2023-26243?
CVE-2023-26243 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2023-26243?
Check the references section above for vendor advisories and patch information. Affected products include: Hyundai Gen5W L In-Vehicle Infotainment System Firmware, Hyundai Gen5W L In-Vehicle Infotainment System.