Multiple vulnerabilities in Huawei P20



Published: 2019-11-14
Risk Low
Patch available YES
Number of vulnerabilities 2
CVE-ID CVE-2019-5211
CVE-2019-5212
CWE-ID CWE-284
Exploitation vector Local network
Public exploit N/A
Vulnerable software
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Huawei P20
Client/Desktop applications / Multimedia software

Vendor Huawei

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Improper access control

EUVDB-ID: #VU22777

Risk: Low

CVSSv3.1: 5 [CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2019-5211

CWE-ID: CWE-284 - Improper Access Control

Exploit availability: No

Description

The vulnerability allows a local attacker to gain unauthorized access to otherwise restricted functionality.

The vulnerability exists due to improper file management in the Share function. An attacker on adjacent network can trick the victim to perform certain operations on the mobile phone during file transfer and delete some files on the victim's mobile phone.

Mitigation

Install updates from vendor's website.

Product Name

Affected Version

Resolved Product and Version

P20

Versions earlier than Emily-L29C 9.1.0.311(C10E2R1P13T8)

Emily-L29C 9.1.0.311(C10E2R1P13T8)

Versions earlier than Emily-L29C 9.1.0.311(C461E2R1P11T8)

Emily-L29C 9.1.0.311(C461E2R1P11T8)

Versions earlier than Emily-L29C 9.1.0.311(C605E2R1P12T8)

Emily-L29C 9.1.0.311(C605E2R1P12T8)

Versions earlier than Emily-L29C 9.1.0.311(C432E7R1P11T8)

Emily-L29C 9.1.0.311(C432E7R1P11T8)

Vulnerable software versions

Huawei P20: before 9.1.0.311

External links

http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20191113-02-share-en


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the local network (LAN).

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

2) Improper access control

EUVDB-ID: #VU22778

Risk: Low

CVSSv3.1: 4.8 [CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2019-5212

CWE-ID: CWE-284 - Improper Access Control

Exploit availability: No

Description

The vulnerability allows a local attacker to gain access to sensitive information on the target system.

The vulnerability exists due to the Huawei Share function does not properly restrict access to certain file from certain application. A local attacker can trick a victim to install a malicious application then establish a connect to the attacker through Huawei Share and disclose sensitive information on the target system.

Mitigation

Install updates from vendor's website.

Product Name

Affected Version

Resolved Product and Version

P20

Versions earlier than Emily-L29C 9.1.0.311(C10E2R1P13T8)

Emily-L29C 9.1.0.311(C10E2R1P13T8)

Versions earlier than Emily-L29C 9.1.0.311(C461E2R1P11T8)

Emily-L29C 9.1.0.311(C461E2R1P11T8)

Versions earlier than Emily-L29C 9.1.0.311(C605E2R1P12T8)

Emily-L29C 9.1.0.311(C605E2R1P12T8)

Versions earlier than Emily-L29C 9.1.0.311(C432E7R1P11T8)

Emily-L29C 9.1.0.311(C432E7R1P11T8)

Vulnerable software versions

Huawei P20: before 9.1.0.311

External links

http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20191113-01-share-en


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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