#VU23861 Infinite loop in USG9500 - CVE-2019-5274
Published: January 2, 2020 / Updated: January 17, 2020
Vulnerability identifier: #VU23861
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2019-5274
CWE-ID: CWE-835
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
USG9500
USG9500
Software vendor:
Huawei
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.
Remediation
Install updates from vendor's website.