#VU46092 Out-of-bounds read in Huawei products - CVE-2020-1818

Vulnerability identifier: #VU46092

Vulnerability risk: Low

CVSSv4.0: 1.7 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2020-1818

CWE-ID: CWE-125

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Huawei IPS Module
Server applications / IDS/IPS systems, Firewalls and proxy servers
Huawei NIP6300
Server applications / IDS/IPS systems, Firewalls and proxy servers
Huawei NIP6600
Server applications / IDS/IPS systems, Firewalls and proxy servers
Huawei NIP6800
Server applications / IDS/IPS systems, Firewalls and proxy servers
Huawei NGFW Module
Server applications / Other server solutions
Huawei Secospace USG6300
Server applications / Server solutions for antivurus protection
Huawei Secospace USG6500
Server applications / Server solutions for antivurus protection
Huawei Secospace USG6600
Server applications / Server solutions for antivurus protection
Huawei USG6000V
Server applications / Remote management servers, RDP, SSH

Vendor: Huawei

Description

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

The vulnerability exists due to a boundary condition in the specific decoding function. A remote attacker can trigger out-of-bounds read error and cause a denial of service condition on the system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Huawei IPS Module: V500R001C30 - V500R005C00

Huawei NGFW Module: V500R002C00 - V500R005C00

Huawei NIP6300: V500R001C30 - V500R005C00

Huawei NIP6600: V500R001C30 - V500R005C00

Huawei NIP6800: V500R001C60 - V500R005C00

Huawei Secospace USG6300: V500R001C30 - V500R005C00

Huawei Secospace USG6500: V500R001C30 - V500R005C00

Huawei Secospace USG6600: V500R001C30 - V500R005C00

Huawei USG6000V: V500R003C00

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External links
https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20191218-01-cops-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.