Infinite loop in Huawei Y9 2019 and Honor V20 - CVE-2019-5260

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Main Vulnerability Database Vulnerabilities #VU23617

Infinite loop in Huawei Y9 2019 and Honor V20 - CVE-2019-5260

Published: December 16, 2019


Vulnerability identifier: #VU23617
CSH Severity: Medium
CVSS v4: 6 [CVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2019-5260
CWE-ID: CWE-835
Exploitation vector: Adjecent network
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient input validation of specific value when parsing the messages. A remote attacker on the local network can send a specially crafted TD-SCDMA messages from a rogue base station to the affected devices, consume all available system resources and cause denial of service conditions.

Note: This vulnerability can be expoited when the affected device is working in TD-SCDMA mode.


Affected software

Huawei Y9 2019
Honor V20

How to mitigate CVE-2019-5260

Install updates from vendor's website.

Huawei Y9 2019 - update to 9.1.0.220
Honor V20 - update to 9.1.0.238

External References

Related Security Bulletins