Denial of Service via integer underflow in picserver
Priority MEDIUM 49CWE-191Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · None · Low
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA.
Summary
An integer underflow in the image processing binary of the MIB3 infotainment unit allows an attacker with local access to the vehicle to cause denial-of-service of the infotainment system. 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.
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00229 13th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Preh Car Connect GmbH (JOYNEXT GmbH) | Volkswagen MIB3 infotainment system MIB3 OI MQB | up to 0304 | — | No fix listed | CNA |
- Volkswagen MIB3 infotainment system MIB3 OI MQB VendorPreh Car Connect GmbH (JOYNEXT GmbH) Affected up to 0304 Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2023-28902
- 2026-10-03 Alias added: GHSA-5qmq-gv7w-45x3
References
More Preh Car Connect GmbH (JOYNEXT GmbH) vulnerabilities
- TI-2023-13402 Integer Overflow Leading to MTU Bypass CVSS 3.1HIGH 8.0
- TI-2023-13398 Heap buffer overflow in picserver CVSS 3.1HIGH 8.0
- TI-2023-13399 Command injection in networking service CVSS 3.1HIGH 7.8
- TI-2023-13400 A lack of access restrictions on internal memory regions CVSS 3.1MEDIUM 6.7
- TI-2023-13401 Integer Overflow in Non-Fragmented Data Reception CVSS 3.1MEDIUM 5.4
- TI-2023-13397 Bypass of secure boot process CVSS 3.1MEDIUM 5.2
Sources
- CVE-2023-28902 · CVE Program
- CVE-2023-28902 · NVD
- FIRST EPSS
- GHSA-5qmq-gv7w-45x3 · GitHub Advisory Database · CC BY 4.0
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