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Sources : US Cert, Cert EU, Cert FR, Cnil, VulDB.

mardi 16 octobre 2018

Huawei Mate 9/Mate 9 Pro Hardware Security Module privilege escalation

A vulnerability classified as critical has been found in Huawei Mate 9 and Mate 9 Pro (the affected version is unknown). This affects an unknown function of the component Hardware Security Module. The manipulation with an unknown input leads to a privilege escalation vulnerability. CWE is classifying the issue as CWE-269. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

The hardware security module of Mate 9 and Mate 9 Pro Huawei smart phones with the versions earlier before MHA-AL00BC00B156, versions earlier before MHA-CL00BC00B156, versions earlier before MHA-DL00BC00B156, versions earlier before MHA-TL00BC00B156, versions earlier before LON-AL00BC00B156, versions earlier before LON-CL00BC00B156, versions earlier before LON-DL00BC00B156, versions earlier before LON-TL00BC00B156 has a arbitrary memory read/write vulnerability due to the input parameters validation. An attacker with the root privilege of the Android system could exploit this vulnerability to read and write memory data anywhere or execute arbitrary code in the TrustZone.

The weakness was disclosed 10/17/2018. It is possible to read the advisory at huawei.com. This vulnerability is uniquely identified as CVE-2017-17176 since 12/03/2017. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 10/17/2018).

Upgrading eliminates this vulnerability.

CPE

CVSSv3

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.3

VulDB Base Score: ≈5.5
VulDB Temp Score: ≈5.3
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2

VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploiting

Class: Privilege escalation (CWE-269)
Local: Yes
Remote: No

Availability: No

Price Prediction: 🔍
Current Price Estimation: 🔒

Threat Intelligence

Threat: 🔍
Adversaries: 🔍
Geopolitics: 🔍
Economy: 🔍
Predictions: 🔍
Actions: 🔍

Countermeasures

Recommended: Upgrade
Status: Official fix
0-Day Time: 🔒

Timeline

12/03/2017 CVE assigned
10/17/2018 Advisory disclosed
10/17/2018 VulDB entry created
10/17/2018 VulDB last update

Sources

Advisory: huawei.com

CVE: CVE-2017-17176 (🔒)

Entry

Created: 10/17/2018
Complete: 🔍

Lien vers l'article source

Auteur: VulDB

Catégories: VulDBNombre de vues: 204

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