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Security Advisory - Multiple Security Vulnerabilities in Huawei iReader

  • SA No:huawei-sa-20171120-01-hwreader
  • Initial Release Date: Nov 20, 2017
  • Last Release Date: Nov 20, 2017

Huawei iReader app has three security vulnerabilities.

The app has an input validation vulnerability due to insufficient validation on the URL used for loading network data. An attacker can control app access and load malicious websites created by the attacker, and the code in webpages would be loaded and run. (Vulnerability ID: HWPSIRT-2017-11023)

This vulnerability has been assigned a CVE ID: CVE-2017-15308.

The app has a path traversal vulnerability due to insufficient validation on file storage paths. An attacker can exploit this vulnerability to store downloaded malicious files in an arbitrary directory, affecting the availability of system data. (Vulnerability ID: HWPSIRT-2017-11073)
This vulnerability has been assigned a CVE ID: CVE-2017-15309.

The app has an arbitrary file deletion vulnerability due to the lack of input validation. An attacker can exploit this vulnerability to delete specific files from the SD card, affecting the availability of system data. (Vulnerability ID: HWPSIRT-2017-11074)
This vulnerability has been assigned a CVE ID: CVE-2017-15310.

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-20171120-01-hwreader-en

Product Name

Affected Version

Resolved Product and Version

iReader

The versions before 8.0.2.301

8.0.2.301

HWPSIRT-2017-11023:

Successful exploit could allow the attacker to load and run the code in malicious webpages.


HWPSIRT-2017-11073:
Successful exploit could allow the attacker to access arbitrary directories of the target system.

HWPSIRT-2017-11074:
Successful exploit could allow the attacker to delete specific files from the SD card.
The vulnerability classification has been performed by using the CVSSv3 scoring system (http://www.first.org/cvss/specification-document).
HWPSIRT-2017-11023:
Base Score: 6.3 (AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L)
Temporal Score: 5.9 (E:F/RL:O/RC:C)

HWPSIRT-2017-11073:
Base Score: 6.5 (AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N)
Temporal Score: 6.0 (E:F/RL:O/RC:C)

HWPSIRT-2017-11074:
Base Score: 6.5 (AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N)
Temporal Score: 6.0 (E:F/RL:O/RC:C)
HWPSIRT-2017-11023:
This vulnerability can be exploited only when the following conditions are present:
An attacker tricks user into loading a malicious link successfully.
Vulnerability details:

The app has an input validation vulnerability due to insufficient validation on the URL used for loading network data. An attacker can control app access and load malicious websites created by the attacker, and the code in webpages would be loaded and run.


HWPSIRT-2017-11073:
This vulnerability can be exploited only when the following conditions are present:
An attacker tricks user into loading a malicious link successfully.
Vulnerability details:
The app has a path traversal vulnerability due to insufficient validation on file storage paths. An attacker can exploit this vulnerability to store downloaded malicious files in an arbitrary directory, affecting the availability of system data.

HWPSIRT-2017-11074:
This vulnerability can be exploited only when the following conditions are present:
An attacker tricks user into loading a malicious link successfully.
Vulnerability details:
The app has an arbitrary file deletion vulnerability due to the lack of input validation. An attacker can exploit this vulnerability to delete specific files from the SD card, affecting the availability of system data.

The affected products could get the update patch from Huawei HiAPP. You can install the update to fix the vulnerability.

This vulnerability was discovered by security research team MWR Labs.
2017-11-20 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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