VDB-132161 · CVE-2019-9977 · BID 107551

Tesla Model 3 Entertainment System input validation

CVSS Meta Temp Score
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Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
7.4$25k-$100k0.00

A vulnerability was found in Tesla Model 3 (Vehicle Software) (affected version unknown) and classified as critical. This issue affects an unknown functionality of the component Entertainment System. The manipulation with an unknown input leads to a input validation vulnerability. Using CWE to declare the problem leads to CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

The renderer process in the entertainment system on Tesla Model 3 vehicles mishandles JIT compilation, which allows attackers to trigger firmware code execution, and display a crafted message to vehicle occupants.

The bug was discovered 03/23/2019. The weakness was released 03/24/2019 with Fluoroacetate as confirmed tweet (Twitter). The advisory is shared at twitter.com. The tweet contains:

Confirmed! The @fluoroacitate duo used a JIT bug in the renderer to win $35,000 and a Model 3. What a great way to kick off the automotive category of #Pwn2Own.
The identification of this vulnerability is CVE-2019-9977 since 03/24/2019. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. It demands that the victim is doing some kind of user interaction. Technical details are unknown but a private exploit is available. The price for an exploit might be around USD $25k-$100k at the moment (estimation calculated on 08/04/2023). Due to its background and reception, this vulnerability has a historic impact.

It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 1 days. During that time the estimated underground price was around $5k-$25k.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

zdnet.com is providing further details.

Productinfo

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Vendor

Name

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 7.4

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔍

CVSSv2info

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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Input validation
CWE: CWE-20
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Yes

Availability: 🔍
Access: Private
Status: Proof-of-Concept

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

03/23/2019 🔍
03/24/2019 +1 days 🔍
03/24/2019 +0 days 🔍
03/25/2019 +1 days 🔍
08/04/2023 +1593 days 🔍

Sourcesinfo

Advisory: twitter.com
Organization: Fluoroacetate
Status: Confirmed

CVE: CVE-2019-9977 (🔍)
SecurityFocus: 107551

scip Labs: https://www.scip.ch/en/?labs.20161013
Misc.: 🔍

Entryinfo

Created: 03/25/2019 06:45 AM
Updated: 08/04/2023 07:50 PM
Changes: 03/25/2019 06:45 AM (63), 05/19/2020 04:09 PM (1), 08/04/2023 07:50 PM (4)
Complete: 🔍
Cache ID: 18:4D1:40

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