Vulnerability Details CVE-2023-26246
An issue was discovered in the Hyundai Gen5W_L in-vehicle infotainment system AE_E_PE_EUR.S5W_L001.001.211214. The AppUpgrade binary file, which is used during the firmware installation process, can be modified by an attacker to bypass the digital signature check. This indirectly allows an attacker to install custom firmware in the IVI system.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.0
EPSS Ranking 0.8%
CVSS Severity
CVSS v3 Score 7.8
References
- https://sowhat.iit.cnr.it
- https://sowhat.iit.cnr.it:8443/can-work/chimaera
- https://sowhat.iit.cnr.it:8443/can-work/chimaera/-/blob/main/Report/IIT-01-2023.pdf
- https://sowhat.iit.cnr.it
- https://sowhat.iit.cnr.it:8443/can-work/chimaera
- https://sowhat.iit.cnr.it:8443/can-work/chimaera/-/blob/main/Report/IIT-01-2023.pdf
Products affected by CVE-2023-26246
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cpe:2.3:h:hyundai:gen5w_l_in-vehicle_infotainment_system:-
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cpe:2.3:o:hyundai:gen5w_l_in-vehicle_infotainment_system_firmware:5w.xxx.s5w_l.001.001.221129
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Hyundai » Gen5w L In-Vehicle Infotainment System Firmware » Version: ae_e_pe_eur.s5w_l001.001.211214cpe:2.3:o:hyundai:gen5w_l_in-vehicle_infotainment_system_firmware:ae_e_pe_eur.s5w_l001.001.211214