Out-of-bounds read in multiple Huawei products

Published: 2019-10-24

Risk	Medium
Patch available	YES
Number of vulnerabilities	1
CVE-ID	CVE-2019-5294
CWE-ID	CWE-125
Exploitation vector	Network
Public exploit	N/A
Vulnerable software Subscribe	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

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Out-of-bounds read

EUVDB-ID: #VU22276

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 - Out-of-bounds read

Exploit availability: No

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

External links

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

Q & A

Can this vulnerability be exploited remotely?

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

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected device in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

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