Traffic Hijacking in Huawei WS7200-10

1) Input validation error

EUVDB-ID: #VU66900

Risk: Low

CVSSv3.1: 5.5 [CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-46835

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote attacker to compromsie the target system.

The vulnerability exists due to improper ICMP packet processing. A remote user on the local network can use specially crafted ICMP packets and cause packet hijacking.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

WS7200-10: 11.0.2.13

External links

http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20220831-01-5370a6df-en

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the local network (LAN).

Is there known malware, which exploits this vulnerability?

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