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Security Advisory - Version Downgrade Vulnerabilities on Smartphones and HiSuite

  • SA No:huawei-sa-20190904-01-smartphone
  • Initial Release Date: Sep 04, 2019
  • Last Release Date: Sep 04, 2019

There are version downgrade vulnerabilities on smartphones and HiSuite. The device and HiSuite software do not validate the upgrade package sufficiently, so that the system of smartphone can be downgraded to an older version. (Vulnerability ID: HWPSIRT-2019-06023 and HWPSIRT-2019-06024)

The two vulnerabilities have been assigned two Common Vulnerabilities and Exposures (CVE) IDs: CVE-2019-5226 and CVE-2019-5227.

Huawei has released software updates to fix these vulnerabilities. This advisory is available at the following link:

http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20190904-01-smartphone-en

Product Name

Affected Version

Resolved Product and Version

P30

Versions earlier than ELLE-AL00B 9.1.0.193(C00E190R2P1)

ELLE-AL00B 9.1.0.193(C00E190R2P1)

P30 Pro

Versions earlier than VOGUE-AL00A 9.1.0.193(C00E190R2P1)

VOGUE-AL00A 9.1.0.193(C00E190R2P1)

Mate 20

Versions earlier than Hima-AL00B 9.1.0.135(C00E133R2P1)

Hima-AL00B 9.1.0.135(C00E133R2P1)

HiSuite

Versions earlier than HiSuite 9.1.0.305

HiSuite 9.1.0.305

The system of smartphone can be downgraded to an older version.


The vulnerability classification has been performed by using the CVSSv3 scoring system (http://www.first.org/cvss/specification-document).

HWPSIRT-2019-06023 and HWPSIRT-2019-06024:

Base Score: 7.8 (AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H)

Temporal Score: 7.2 (E:F/RL:O/RC:C)


HWPSIRT-2019-06023 and HWPSIRT-2019-06024:

This vulnerability can be exploited only when the following conditions are present:

The attacker tricks the user to install a malicious app.

Vulnerability details:

The device and HiSuite software do not validate the upgrade package sufficiently, so that the system of smartphone can be downgraded to an older version. 


The product that supports automatic update will receive a system update prompt. You can install the update to fix the vulnerability.

This vulnerability was discovered by Huawei internal tester.


2019-09-04 V1.0 INITIAL


Huawei adheres to protecting the ultimate interests of users with best efforts and the principle of responsible disclosure and deal with product security issues through our response mechanism.

To enjoy Huawei PSIRT services and obtain Huawei product vulnerability information, please visit http://www.huawei.com/en/psirt.

To report a security vulnerability in Huawei products and solutions, please send it to PSIRT@huawei.com. For details, please visit http://www.huawei.com/en/psirt/report-vulnerabilities.

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