Zynq UltraScale+ Encrypt Only Boot Mode Boot Image violation of secure design principles

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.4$0-$5k0.00

Summaryinfo

A vulnerability was found in Zynq UltraScale+. It has been declared as critical. The affected element is an unknown function of the component Encrypt Only Boot Mode. Such manipulation as part of Boot Image leads to input validation. This vulnerability is traded as CVE-2019-5478. An attack has to be approached locally. There is no exploit available.

Detailsinfo

A vulnerability was found in Zynq UltraScale+ (version now known) and classified as critical. Affected by this issue is some unknown processing of the component Encrypt Only Boot Mode. The manipulation as part of a Boot Image leads to a input validation vulnerability. Using CWE to declare the problem leads to CWE-657. The product violates well-established principles for secure design. Impacted is confidentiality, integrity, and availability. CVE summarizes:

A weakness was found in Encrypt Only boot mode in Zynq UltraScale+ devices. This could lead to an adversary being able to modify the control fields of the boot image leading to an incorrect secure boot behavior.

The weakness was shared 09/03/2019. This vulnerability is handled as CVE-2019-5478 since 01/04/2019. The exploitation is known to be easy. The attack needs to be approached locally. No form of authentication is required for exploitation. There are neither technical details nor an exploit publicly available.

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

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Vendor

Name

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.4
VulDB Meta Temp Score: 5.4

VulDB Base Score: 5.3
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.5
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Violation of secure design principles
CWE: CWE-657
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

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

01/04/2019 🔍
09/03/2019 +242 days 🔍
09/04/2019 +1 days 🔍
11/27/2024 +1911 days 🔍

Sourcesinfo

Advisory: github.com
Status: Not defined

CVE: CVE-2019-5478 (🔍)
GCVE (CVE): GCVE-0-2019-5478
GCVE (VulDB): GCVE-100-141224

Entryinfo

Created: 09/04/2019 09:27
Updated: 11/27/2024 17:47
Changes: 09/04/2019 09:27 (35), 08/12/2020 11:31 (17), 12/11/2023 14:19 (3), 11/27/2024 17:47 (16)
Complete: 🔍
Cache ID: 216::103

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