ARM Mbed TLS up to 2.7.17/2.16.8/2.23.x Certificate Revocation certificate validation

Summaryinfo

A vulnerability classified as critical has been found in ARM Mbed TLS up to 2.7.17/2.16.8/2.23.x. This impacts an unknown function of the component Certificate Revocation Handler. This manipulation causes certificate validation. This vulnerability is handled as CVE-2020-36425. There is not any exploit available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in ARM Mbed TLS up to 2.7.17/2.16.8/2.23.x. It has been declared as critical. Affected by this vulnerability is some unknown processing of the component Certificate Revocation Handler. The manipulation with an unknown input leads to a certificate validation vulnerability. The CWE definition for the vulnerability is CWE-295. The product does not validate, or incorrectly validates, a certificate. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was released 07/19/2021. It is possible to read the advisory at github.com. This vulnerability is known as CVE-2020-36425. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1587.003 according to MITRE ATT&CK.

Upgrading to version 2.7.17, 2.16.8 or 2.24.0 eliminates this vulnerability. The upgrade is hosted for download at github.com. Applying a patch is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

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Productinfo

Vendor

• ARM

Name

• Mbed TLS

Version

• 2.0
• 2.1
• 2.2
• 2.3
• 2.4
• 2.5
• 2.6
• 2.7
• 2.7.0
• 2.7.1
• 2.7.2
• 2.7.3
• 2.7.4
• 2.7.5
• 2.7.6
• 2.7.7
• 2.7.8
• 2.7.9
• 2.7.10
• 2.7.11
• 2.7.12
• 2.7.13
• 2.7.14
• 2.7.15
• 2.7.16
• 2.7.17
• 2.8
• 2.9
• 2.10
• 2.11
• 2.12
• 2.13
• 2.14
• 2.15
• 2.16
• 2.16.0
• 2.16.1
• 2.16.2
• 2.16.3
• 2.16.4
• 2.16.5
• 2.16.6
• 2.16.7
• 2.16.8
• 2.17
• 2.18
• 2.19
• 2.20
• 2.21
• 2.22
• 2.23

License

• commercial

CPE 2.3info

• 🔍
• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍
• 🔍

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