SecuriTricks - CVE-2023-28908

Description

A specific flaw exists within the Bluetooth stack of the MIB3 infotainment. The issue results from the lack of proper validation of user-supplied data, which can result in an integer overflow when receiving non-fragmented HCI packets on a channel. The vulnerability was originally discovered in Skoda Superb III car with MIB3 infotainment unit OEM part number 3V0035820. The list of affected MIB3 OEM part numbers is provided in the referenced resources.

Product(s) Impacted

Vendor	Product	Versions
Skoda	Mib3 Superb	* 3

Weaknesses

Common security weaknesses mapped to this vulnerability.

CWE-190

Integer Overflow or Wraparound

The product performs a calculation that can produce an integer overflow or wraparound, when the logic assumes that the resulting value will always be larger than the original value. This can introduce other weaknesses when the calculation is used for resource management or execution control.

*CPE(s)

Affected systems and software identified for this CVE.

Type	Vendor	Product	Version	Update	Edition	Language	Software Edition	Target Software	Target Hardware	Other Information
a	skoda	mib3	/	/	/	/	/	/	/	/
a	skoda	superb	3	/	/	/	/	/	/	/

References

https://asrg.io/security-advisories/vulnerabilities-in-volkswagen-mib3-infotainment-part-2/

https://i.blackhat.com/EU-24/Presentations/EU-24-Parnishchev-OverTheAirVW.pdf

https://pcacybersecurity.com/resources/advisory/vulnerabilities-in-vw-mib3-infotainment-2

CVSS Score

5.4 / 10

CVSS Data - 3.1

Attack Vector: ADJACENT_NETWORK
Attack Complexity: LOW
Privileges Required: NONE
Scope: UNCHANGED
Confidentiality Impact: NONE
Integrity Impact: LOW
Availability Impact: LOW

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L

View Vector String

Timeline

Published: June 28, 2025, 4:15 p.m.
Last Modified: June 28, 2025, 4:15 p.m.

Status : Received

CVE has been recently published to the CVE List and has been received by the NVD.

More info

Source

cve@asrg.io

CVE-2023-28908