#VU23861 Infinite loop in USG9500


Published: 2020-01-02 | Updated: 2020-01-17

Vulnerability identifier: #VU23861

Vulnerability risk: Medium

CVSSv3.1:

CVE-ID: CVE-2019-5274

CWE-ID: CWE-835

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
USG9500
Hardware solutions / Routers & switches, VoIP, GSM, etc

Vendor: Huawei

Description

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

The vulnerability exists due to infinite loop in the X.509 implementation. A remote attacker can use a specially crafted certificate, consume all available system resources and cause a denial of service condition on the target system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

USG9500: V500R001C30 - V500R001C60


CPE

External links
http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20191225-01-eudemon-en


Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?


Latest bulletins with this vulnerability