CVE-2023-26246
Last modified
CVE-2023-26246 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. 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. EPSS estimates a 0.33% chance of exploitation in the next 30 days.
Description
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.
Metrics
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Hyundai | Gen5w L Firmware | ae_e_pe_eur.s5w_l001.001.211214 |
References
- https://sowhat.iit.cnr.itNot Applicable
- https://sowhat.iit.cnr.it:8443/can-work/chimaeraExploit, Third Party Advisory
- https://sowhat.iit.cnr.it:8443/can-work/chimaera/-/blob/main/Report/IIT-01-2023.pdfExploit, Third Party Advisory
- https://sowhat.iit.cnr.itNot Applicable
- https://sowhat.iit.cnr.it:8443/can-work/chimaeraExploit, Third Party Advisory
- https://sowhat.iit.cnr.it:8443/can-work/chimaera/-/blob/main/Report/IIT-01-2023.pdfExploit, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Analyzed
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