STMicroelectronics ST33TPHF2ESPI TPM Private Key TPM-Fail risky encryption

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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4.7$0-$5k0.00

Summaryinfo

A vulnerability was found in STMicroelectronics ST33TPHF2ESPI TPM. It has been declared as critical. Impacted is an unknown function of the component Private Key. The manipulation results in risky encryption (TPM-Fail). This vulnerability was named CVE-2019-16863. The attack may be performed from remote. There is no available exploit. This vulnerability is historically impactful due to its background and the reception it garnered. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in STMicroelectronics ST33TPHF2ESPI TPM (version now known). It has been classified as problematic. Affected is some unknown processing of the component Private Key. The manipulation with an unknown input leads to a risky encryption vulnerability (TPM-Fail). CWE is classifying the issue as CWE-327. The product uses a broken or risky cryptographic algorithm or protocol. This is going to have an impact on confidentiality. CVE summarizes:

STMicroelectronics ST33TPHF2ESPI TPM devices before 2019-09-12 allow attackers to extract the ECDSA private key via a side-channel timing attack because ECDSA scalar multiplication is mishandled, aka TPM-FAIL.

The weakness was presented 11/14/2019 (Website). The advisory is shared for download at support.f5.com. This vulnerability is traded as CVE-2019-16863 since 09/24/2019. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 02/20/2024). The MITRE ATT&CK project declares the attack technique as T1600. This vulnerability has a historic impact due to its background and reception.

Upgrading eliminates this vulnerability. A possible mitigation has been published before and not just after the disclosure of the vulnerability.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

Name

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.8
VulDB Meta Temp Score: 4.7

VulDB Base Score: 3.7
VulDB Temp Score: 3.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.9
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

Name: TPM-Fail
Class: Risky encryption / TPM-Fail
CWE: CWE-327 / CWE-310
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

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: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

09/12/2019 🔍
09/24/2019 +12 days 🔍
11/14/2019 +51 days 🔍
11/15/2019 +1 days 🔍
02/20/2024 +1558 days 🔍

Sourcesinfo

Advisory: K32412503
Status: Confirmed

CVE: CVE-2019-16863 (🔍)
GCVE (CVE): GCVE-0-2019-16863
GCVE (VulDB): GCVE-100-145788

Entryinfo

Created: 11/15/2019 11:28
Updated: 02/20/2024 13:40
Changes: 11/15/2019 11:28 (42), 11/15/2019 11:33 (17), 02/20/2024 13:40 (4)
Complete: 🔍
Cache ID: 216::103

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