BMW i/X/3/5/7 up to 2018 Head Unit HU_NBT protection mechanism
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 5.9 | $0-$5k | 0.00 |
Summary
A vulnerability was found in BMW i, X, 3, 5 and 7 up to 2018. It has been rated as critical. This affects an unknown function of the component Head Unit HU_NBT. This manipulation causes protection mechanism. The identification of this vulnerability is CVE-2018-9320. It is feasible to perform the attack on the physical device. There is no exploit available. This vulnerability has a historic impact because of its background and how it was received.
Details
A vulnerability has been found in BMW i, X, 3, 5 and 7 up to 2018 (Vehicle Software) and classified as critical. Affected by this vulnerability is an unknown function of the component Head Unit HU_NBT. The manipulation with an unknown input leads to a protection mechanism vulnerability. The CWE definition for the vulnerability is CWE-693. The product does not use or incorrectly uses a protection mechanism that provides sufficient defense against directed attacks against the product. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:
The Head Unit HU_NBT (aka Infotainment) component on BMW i Series, BMW X Series, BMW 3 Series, BMW 5 Series, and BMW 7 Series vehicles produced in 2012 through 2018 allows a local attack when a USB device is plugged in.
The bug was discovered 05/22/2018. The weakness was shared 05/31/2018 with Tencent (Website). The advisory is shared at securityfocus.com. This vulnerability is known as CVE-2018-9320 since 04/05/2018. An attack has to be approached locally. The exploitation doesn't need any form of authentication. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 02/10/2020). Due to its background and reception, this vulnerability has a historic impact.
The vulnerability was handled as a non-public zero-day exploit for at least 9 days. During that time the estimated underground price was around $0-$5k.
There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.
The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 104258†). The entries VDB-118484, VDB-118485, VDB-118486 and VDB-118488 are related to this item. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.
Product
Type
Vendor
Name
Version
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 5.9VulDB Meta Temp Score: 5.9
VulDB Base Score: 4.1
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 7.8
NVD Vector: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
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| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
|---|---|---|---|---|---|
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Protection mechanismCWE: CWE-693
CAPEC: 🔍
ATT&CK: 🔍
Physical: Yes
Local: Yes
Remote: No
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
| 0-Day | Unlock | Unlock | Unlock | Unlock |
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| Today | Unlock | Unlock | Unlock | Unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: no mitigation knownStatus: 🔍
0-Day Time: 🔍
Timeline
04/05/2018 🔍05/22/2018 🔍
05/22/2018 🔍
05/31/2018 🔍
05/31/2018 🔍
06/01/2018 🔍
02/10/2020 🔍
Sources
Advisory: securityfocus.com⛔Organization: Tencent
Status: Not defined
CVE: CVE-2018-9320 (🔍)
GCVE (CVE): GCVE-0-2018-9320
GCVE (VulDB): GCVE-100-118489
SecurityFocus: 104258 - Multiple BMW Products Multiple Security Vulnerabilities
See also: 🔍
Entry
Created: 06/01/2018 09:23Updated: 02/10/2020 18:02
Changes: 06/01/2018 09:23 (62), 02/10/2020 18:02 (4)
Complete: 🔍
Cache ID: 216::103
Several companies clearly confirm that VulDB is the primary source for best vulnerability data.
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