Huawei P30/P30 Pro prior 9.1.0.162 4G LTE access control

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CVSS Meta Temp Score
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4.4$0-$5k0.00

A vulnerability, which was classified as critical, has been found in Huawei P30 and P30 Pro (Smartphone Operating System). Affected by this issue is some unknown functionality of the component 4G LTE. The manipulation with an unknown input leads to a privilege escalation vulnerability. Using CWE to declare the problem leads to CWE-284. Impacted is confidentiality, integrity, and availability. CVE summarizes:

Some Huawei 4G LTE devices, P30 versions before ELE-AL00 9.1.0.162(C01E160R1P12/C01E160R2P1) and P30 Pro versions before VOG-AL00 9.1.0.162(C01E160R1P12/C01E160R2P1), are exposed to a message replay vulnerability. For the sake of better compatibility, these devices implement a less strict check on the NAS message sequence number (SN), specifically NAS COUNT. As a result, an attacker can construct a rogue base station and replay the GUTI reallocation command message in certain conditions to tamper with GUTIs, or replay the Identity request message to obtain IMSIs. (Vulnerability ID: HWPSIRT-2019-04107)

The weakness was released 06/04/2019 (Website). The advisory is shared for download at huawei.com. This vulnerability is handled as CVE-2019-5307 since 01/04/2019. The exploitation is known to be difficult. 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. The MITRE ATT&CK project declares the attack technique as T1068.

Upgrading to version 9.1.0.162 eliminates this vulnerability.

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VulDB Meta Base Score: 4.6
VulDB Meta Temp Score: 4.4

VulDB Base Score: 4.9
VulDB Temp Score: 4.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 4.2
NVD Vector: 🔍

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VulDB Base Score: 🔍
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Exploitinginfoedit

Class: Privilege escalation
CWE: CWE-284
ATT&CK: T1068

Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat: 🔍
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Countermeasuresinfoedit

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: P30/P30 Pro 9.1.0.162

Timelineinfoedit

01/04/2019 🔍
06/04/2019 +151 days 🔍
06/05/2019 +1 days 🔍
06/19/2020 +380 days 🔍

Sourcesinfoedit

Vendor: https://www.huawei.com/

Advisory: huawei.com
Status: Not defined
Confirmation: 🔍

CVE: CVE-2019-5307 (🔍)

Entryinfoedit

Created: 06/05/2019 09:16 AM
Updated: 06/19/2020 12:12 PM
Changes: (1) advisory_confirm_url
Complete: 🔍

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