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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.

PUBLISHED Reserved 2023-03-27 | Published 2025-06-28 | Updated 2025-06-30 | Assigner ASRG




MEDIUM: 5.4CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L

Problem types

CWE-190 Integer Overflow or Wraparound

Product status

Default status
unaffected

Any version
affected

Credits

Mikhail Evdokimov from PCA Cyber Security (PCAutomotive) finder

References

i.blackhat.com/...tations/EU-24-Parnishchev-OverTheAirVW.pdf exploit

i.blackhat.com/...tations/EU-24-Parnishchev-OverTheAirVW.pdf

pcacybersecurity.com/...rabilities-in-vw-mib3-infotainment-2 technical-description

asrg.io/...abilities-in-volkswagen-mib3-infotainment-part-2/ third-party-advisory

cve.org (CVE-2023-28908)

nvd.nist.gov (CVE-2023-28908)

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