#VU49225 Out-of-bounds read in Huawei products - CVE-2020-1866

Vulnerability identifier: #VU49225

Vulnerability risk: Low

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

CVE-ID: CVE-2020-1866

CWE-ID: CWE-125

Exploitation vector: Adjecent network

Exploit availability: No public exploit available

Vulnerable software:
Huawei NIP6800
Huawei S12700
Huawei S5700
Huawei S2700
Huawei S6700
Huawei S7700
Huawei S9700
USG9500
Huawei Secospace USG6600

Software vendor:
Huawei

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

The vulnerability exists due to a boundary condition when parsing certain crafted DHCP messages. A remote attacker on the local network can trigger out-of-bounds read error and cause a denial of service condition on the target system.

Install updates from vendor's website.

• https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20200122-09-eudemon-en