CVE-2023-26244 Security feature bypass in n/a
Attackers can modify the AppDMClient binary to bypass digital signature checks, allowing installation of custom firmware on Hyundai infotainment systems.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2023-26244?
CVE-2023-26244 is a high-severity vulnerability in n/a, published on 27 Apr 2023. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
An issue was discovered in the Hyundai Gen5W_L in-vehicle infotainment system AE_E_PE_EUR.S5W_L001.001.211214. The AppDMClient binary file, which is used during the firmware installation process, can be modified by an attacker to bypass the digital signature check of AppUpgrade and .lge.upgrade.xml files, which are used during the firmware installation process. This indirectly allows an attacker to use a custom version of AppUpgrade and .lge.upgrade.xml files.
Which versions are affected by CVE-2023-26244?
It affects 1 product.
Products include Hyundai Gen5w L Firmware.
How do I fix CVE-2023-26244?
No fix has been published for CVE-2023-26244 yet. Limit exposure of the affected software until one is available.
Is CVE-2023-26244 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-26244 exists.
Other vulnerabilities in n/a
Sources
Also known as GHSA-fhhm-9qhh-g52w.