Vulnerability identifier: #VU25272

Vulnerability risk: Medium

CVSSv3.1: 5.2 [CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-1829

CWE-ID: CWE-415

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Huawei NIP6800
Server applications / IDS/IPS systems, Firewalls and proxy servers
Huawei Secospace USG6600
Server applications / Server solutions for antivurus protection
USG9500
Hardware solutions / Routers & switches, VoIP, GSM, etc

Vendor: Huawei

Description

The vulnerability allows a remote attacker to compromise normal service.

The vulnerability exists due to a boundary error when the IPSec module handles a message improperly. A remote attacker can send specific message to affected product, trigger double free error and compromise normal service.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Huawei NIP6800: V500R001C30 - V500R001C60SPC500

Huawei Secospace USG6600: V500R001C30SPC200 - V500R001C60SPC500

USG9500: V500R001C30SPC200 - V500R001C60SPC500

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External links
http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20200212-03-ipsec-en

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

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