#VU23627 NULL pointer dereference in Huawei products - CVE-2019-5256

Vulnerability identifier: #VU23627

Vulnerability risk: Low

CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear

CVE-ID: CVE-2019-5256

CWE-ID: CWE-476

Exploitation vector: Local access

Exploit availability: No public exploit available

Vulnerable software:
Huawei AP2000
Huawei IPS Module
Huawei NIP6300
Huawei NIP6600
Huawei NIP6800
Huawei Secospace AntiDDoS8000
Huawei NGFW Module
Huawei SVN5600
Huawei SVN5800
Huawei SVN5800-C
Huawei S5700
Huawei SeMG9811
Huawei Secospace USG6300
Huawei Secospace USG6500
Huawei Secospace USG6600
Huawei USG6000V
Huawei eSpace U1981

Software vendor:
Huawei

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

The vulnerability exists due to a NULL pointer dereference error. A local attacker can send specially crafted parameters, cause a denial of service condition and the process reboot.

Install updates from vendor's website.

• https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20191211-01-ssp-en