Denial of service in Huawei Y9 2019 and Honor View 20



Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2019-5260
CWE-ID CWE-835
Exploitation vector Local network
Public exploit N/A
Vulnerable software
 Honor V20
Client/Desktop applications / Multimedia software

Huawei Y9 2019
Client/Desktop applications / Multimedia software

Vendor Huawei

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Infinite loop

EUVDB-ID: #VU23617

Risk: Medium

CVSSv4.0: 2.3 [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/E:U/U:Green]

CVE-ID: CVE-2019-5260

CWE-ID: CWE-835 - Loop with Unreachable Exit Condition ('Infinite Loop')

Exploit availability: No

Description

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.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Honor V20: 9.0.1.169 - 9.0.1.170

Huawei Y9 2019: 8.2.0.160 - 8.2.0.163

CPE2.3 External links

https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20190911-01-mobile-en


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the local network (LAN).

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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