#VU22871 Use of insufficiently random values in Huawei products - CVE-2019-5232

Vulnerability identifier: #VU22871

Vulnerability risk: Medium

CVSSv4.0: 4.6 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2019-5232

CWE-ID: CWE-330

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Huawei VP9630
Hardware solutions / Firmware
Huawei VP9650
Hardware solutions / Firmware
Huawei VP9660
Hardware solutions / Firmware

Vendor: Huawei

Description

The vulnerability allows remote attacker to gain access to sensitive information on the target system.

The vulnerability exists due to weak random values. A remote attacker can guess information by a large number of attempts and gain access to sensitive information.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Huawei VP9630: V500R002C00 - V500R002C10

Huawei VP9650: V500R002C00 - V500R002C10

Huawei VP9660: V500R002C00 - V500R002C10

---

External links
https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20191120-01-viewpoint-en

---

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

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