CVE-2017-2733 : Security Advisory and Response

Honor 6X smartphones with software versions earlier than BLN-AL10C00B357 and BLN-AL20C00B357 have an information leak vulnerability due to improper file permission configuration. An attacker tricks a user into installing a malicious application on the smartphone, and the application can access the file containing the cipher text of the SIM card PIN.

Understanding CVE-2017-2733

Smartphones of the Honor 6X model, which have software versions prior to BLN-AL10C00B357 and BLN-AL20C00B357, are exposed to a vulnerability that might lead to the unintentional disclosure of information. This vulnerability arises from incorrect file permission settings.

What is CVE-2017-2733?

The CVE-2017-2733 vulnerability affects Honor 6X smartphones with specific software versions, potentially allowing unauthorized access to sensitive information stored on the device.

The Impact of CVE-2017-2733

The vulnerability could result in the unintentional disclosure of information, particularly the encrypted SIM card PIN, if exploited by an attacker. This could lead to privacy breaches and unauthorized access to personal data.

Technical Details of CVE-2017-2733

Honor 6X smartphones with software versions earlier than BLN-AL10C00B357 and BLN-AL20C00B357 are susceptible to this vulnerability.

Vulnerability Description

The vulnerability stems from incorrect file permission settings, enabling a malicious application to access the file containing the encrypted SIM card PIN.

Affected Systems and Versions

Product: Honor 6X
Vendor: Huawei Technologies Co., Ltd.
Vulnerable Versions: Versions earlier than BLN-AL10C00B357, Versions earlier than BLN-AL20C00B357

Exploitation Mechanism

To exploit this vulnerability, an attacker manipulates a user into installing a harmful application on their smartphone. Subsequently, the malicious application gains access to the file containing the encrypted SIM card PIN.

Mitigation and Prevention

It is crucial to take immediate steps to mitigate the risks posed by CVE-2017-2733.

Immediate Steps to Take

Update the Honor 6X smartphone to the latest software version that addresses the vulnerability.
Avoid installing applications from untrusted sources to minimize the risk of malicious software installation.
Regularly monitor device activity for any suspicious behavior or unauthorized access.

Long-Term Security Practices

Implement strong device security measures, such as setting up screen locks and encryption, to protect sensitive data.
Educate users about the risks of downloading apps from unknown sources and the importance of keeping software up to date.

Patching and Updates

Ensure timely installation of security patches and updates provided by Huawei Technologies Co., Ltd. to address vulnerabilities and enhance device security.