CVE-2019-5260 : What You Need to Know

Huawei smartphones HUAWEI Y9 2019 and Honor View 20 are affected by a denial of service vulnerability due to insufficient input validation, potentially leading to device reboots.

Understanding CVE-2019-5260

This CVE involves a vulnerability in Huawei smartphones that allows for a denial of service attack through crafted messages.

What is CVE-2019-5260?

The vulnerability in Huawei smartphones HUAWEI Y9 2019 and Honor View 20 enables a denial of service attack by exploiting a lack of proper input validation during message parsing.

The Impact of CVE-2019-5260

If successfully exploited, this vulnerability can result in an endless loop and cause the affected devices to reboot.

Technical Details of CVE-2019-5260

This section provides more technical insights into the vulnerability.

Vulnerability Description

The vulnerability arises from insufficient input validation during the parsing of specific messages on Huawei smartphones.

Affected Systems and Versions

Affected Products: HUAWEI Y9 2019; Honor View 20
Vulnerable Versions: 8.2.0.160(C185R2P2), 8.2.0.162(C605), 8.2.0.163(C605), 9.0.1.169(C636E1R4P1), 9.0.1.170(C185E2R3P1), 9.0.1.170(C432E1R3P1)

Exploitation Mechanism

An attacker can exploit this vulnerability by sending carefully crafted TD-SCDMA messages from a malicious base station to the targeted devices, triggering an endless loop.

Mitigation and Prevention

Protecting against and addressing the CVE-2019-5260 vulnerability.

Immediate Steps to Take

Apply security patches provided by Huawei promptly.
Monitor for any unusual device behavior that may indicate exploitation.

Long-Term Security Practices

Regularly update device firmware to mitigate known vulnerabilities.
Implement network security measures to detect and prevent malicious activities.

Patching and Updates

Ensure that all affected devices are updated with the latest firmware patches to address the vulnerability.