Vulnerability identifier: #VU23898

Vulnerability risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2019-5304

CWE-ID: CWE-119

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Huawei AR120-S
Hardware solutions / Routers & switches, VoIP, GSM, etc
Huawei AR1200
Hardware solutions / Routers & switches, VoIP, GSM, etc
Huawei AR1200-S
Hardware solutions / Routers & switches, VoIP, GSM, etc
Huawei AR150
Hardware solutions / Routers & switches, VoIP, GSM, etc
Huawei AR150-S
Hardware solutions / Routers & switches, VoIP, GSM, etc
Huawei AR160
Hardware solutions / Routers & switches, VoIP, GSM, etc
Huawei AR200
Hardware solutions / Routers & switches, VoIP, GSM, etc
Huawei AR200-S
Hardware solutions / Routers & switches, VoIP, GSM, etc
Huawei AR2200
Hardware solutions / Routers & switches, VoIP, GSM, etc
Huawei AR2200-S
Hardware solutions / Routers & switches, VoIP, GSM, etc
Huawei AR3200
Hardware solutions / Routers & switches, VoIP, GSM, etc
Huawei AR3600
Hardware solutions / Routers & switches, VoIP, GSM, etc
Huawei NetEngine16EX
Hardware solutions / Routers & switches, VoIP, GSM, etc
Huawei S6700
Hardware solutions / Routers & switches, VoIP, GSM, etc
Huawei SRG1300
Hardware solutions / Routers & switches, VoIP, GSM, etc
Huawei SRG2300
Hardware solutions / Routers & switches, VoIP, GSM, etc
Huawei SRG3300
Hardware solutions / Routers & switches, VoIP, GSM, etc
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 Secospace AntiDDoS8000
Server applications / IDS/IPS systems, Firewalls and proxy servers
Huawei NGFW Module
Server applications / Other server solutions
Huawei S5700
Hardware solutions / Routers for home users
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

Vendor: Huawei

Description

The vulnerability allows a remote attacker to cause a denial of service (DoS) condition.

The vulnerability exists due to insufficient input validation of some parameters in the messages. A remote attacker can send a specific MPLS Echo Request message, trigger memory corruption and reset the device.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Huawei AR120-S: V200R006C10 - V200R008C50

Huawei AR1200: V200R003C01 - V200R008C50

Huawei AR1200-S: V200R003C01 - V200R008C50

Huawei AR150: V200R003C01 - V200R008C50

Huawei AR150-S: V200R003C01 - V200R008C50

Huawei AR160: V200R005C20 - V200R008C50

Huawei AR200: V200R003C01 - V200R008C50

Huawei AR200-S: V200R003C01 - V200R008C50

Huawei AR2200: V200R003C01 - V200R008C50

Huawei AR2200-S: V200R003C01 - V200R008C50

Huawei AR3200: V200R003C01 - V200R008C50

Huawei AR3600: V200R006C10 - V200R008C50

Huawei IPS Module: V500R001C20 - V500R001C30

Huawei NGFW Module: V500R001C20 - V500R002C00

Huawei NIP6300: V500R001C20 - V500R001C30

Huawei NIP6600: V500R001C20 - V500R001C30

Huawei NetEngine16EX: V200R005C20 - V200R008C50

Huawei S5700: V200R005C00 - V200R011C00

Huawei S6700: V200R005C00 - V200R011C00

Huawei SRG1300: V200R003C01 - V200R008C50

Huawei SRG2300: V200R003C01 - V200R008C50

Huawei SRG3300: V200R003C01 - V200R008C50

Huawei Secospace AntiDDoS8000: V500R001C20 - V500R005C00

Huawei Secospace USG6300: V500R001C20 - V500R001C30

Huawei Secospace USG6500: V500R001C20 - V500R001C30

Huawei Secospace USG6600: V500R001C20 - V500R001C30

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External links
http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20200102-01-buffer-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.