Vulnerability identifier: #VU22276

Vulnerability risk: Medium

CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2019-5294

CWE-ID: CWE-125

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Huawei SRG3300
Hardware solutions / Routers & switches, VoIP, GSM, etc
Huawei SRG2300
Hardware solutions / Routers & switches, VoIP, GSM, etc
Huawei SRG1300
Hardware solutions / Routers & switches, VoIP, GSM, etc
Huawei NetEngine16EX
Hardware solutions / Routers & switches, VoIP, GSM, etc
Huawei AR3600
Hardware solutions / Routers & switches, VoIP, GSM, etc
Huawei AR3200
Hardware solutions / Routers & switches, VoIP, GSM, etc
Huawei AR2200-S
Hardware solutions / Routers & switches, VoIP, GSM, etc
Huawei AR2200
Hardware solutions / Routers & switches, VoIP, GSM, etc
Huawei AR200-S
Hardware solutions / Routers & switches, VoIP, GSM, etc
Huawei AR200
Hardware solutions / Routers & switches, VoIP, GSM, etc
Huawei AR160
Hardware solutions / Routers & switches, VoIP, GSM, etc
Huawei AR150-S
Hardware solutions / Routers & switches, VoIP, GSM, etc
Huawei AR150
Hardware solutions / Routers & switches, VoIP, GSM, etc
Huawei AR1200-S
Hardware solutions / Routers & switches, VoIP, GSM, etc
Huawei AR1200
Hardware solutions / Routers & switches, VoIP, GSM, etc
Huawei AR120-S
Hardware solutions / Routers & switches, VoIP, GSM, etc

Vendor: Huawei

Description

The vulnerability allows a remote attacker to cause some abnormal service.

The vulnerability exists due to a boundary condition when parsing a message. A remote attacker can send a specially crafted message, trigger out-of-bounds read error and cause some service abnormal.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Huawei SRG3300: V200R005C20 - V200R007C00

Huawei SRG2300: V200R005C20 - V200R007C00

Huawei SRG1300: V200R005C20 - V200R007C00

Huawei NetEngine16EX: V200R005C20 - V200R007C00

Huawei AR3600: V200R005C20 - V200R006C10

Huawei AR3200: V200R005C20 - V200R006C10

Huawei AR2200-S: V200R005C20 - V200R007C00

Huawei AR2200: V200R005C20 - V200R007C00

Huawei AR200-S: V200R005C20 - V200R007C00

Huawei AR200: V200R005C20 - V200R007C00

Huawei AR160: V200R005C20 - V200R007C00

Huawei AR150-S: V200R005C20 - V200R007C00

Huawei AR150: V200R005C20 - V200R007C00

Huawei AR1200-S: V200R005C20 - V200R007C00

Huawei AR1200: V200R005C20 - V200R007C00

Huawei AR120-S: V200R005C20 - V200R007C00

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External links
http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20191023-01-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.