Škoda Superb III Unified Diagnostics Services weak password encoding

CVSS Meta Temp Score
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CTI Interest Score
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2.7$0-$5k0.00

Summaryinfo

A vulnerability was found in Škoda Superb III. It has been classified as problematic. This vulnerability affects unknown code of the component Unified Diagnostics Services. This manipulation causes weak password encoding. This vulnerability is handled as CVE-2023-28896. It is feasible to perform the attack on the physical device. There is not any exploit available.

Detailsinfo

A vulnerability classified as problematic was found in Škoda Superb III (unknown version). Affected by this vulnerability is an unknown code block of the component Unified Diagnostics Services. The manipulation with an unknown input leads to a weak password encoding vulnerability. The CWE definition for the vulnerability is CWE-261. Obscuring a password with a trivial encoding does not protect the password. As an impact it is known to affect confidentiality. The summary by CVE is:

Access to critical Unified Diagnostics Services (UDS) of the Modular Infotainment Platform 3 (MIB3) infotainment is transmitted via Controller Area Network (CAN) bus in a form that can be easily decoded by attackers with physical access to the vehicle. Vulnerability discovered on Škoda Superb III (3V3) - 2.0 TDI manufactured in 2022.

The weakness was released 12/01/2023 by Artem Ivachev. The advisory is shared at asrg.io. This vulnerability is known as CVE-2023-28896 since 03/27/2023. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1552 for this issue.

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

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Vendor

Name

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 2.7
VulDB Meta Temp Score: 2.7

VulDB Base Score: 2.4
VulDB Temp Score: 2.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 2.4
NVD Vector: 🔍

CNA Base Score: 3.3
CNA Vector (Automotive Security Research Group (ASRG)): 🔍

CVSSv2info

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

Exploitinginfo

Class: Weak password encoding
CWE: CWE-261 / CWE-257 / CWE-255
CAPEC: 🔍
ATT&CK: 🔍

Physical: Yes
Local: Yes
Remote: Partially

Availability: 🔍
Status: Not defined

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

03/27/2023 🔍
12/01/2023 +249 days 🔍
12/01/2023 +0 days 🔍
12/21/2023 +20 days 🔍

Sourcesinfo

Advisory: asrg.io
Researcher: Artem Ivachev
Status: Not defined

CVE: CVE-2023-28896 (🔍)
GCVE (CVE): GCVE-0-2023-28896
GCVE (VulDB): GCVE-100-246601

Entryinfo

Created: 12/01/2023 15:18
Updated: 12/21/2023 19:16
Changes: 12/01/2023 15:18 (46), 12/21/2023 19:16 (12)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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