Security Bulletin
This security bulletin contains one low risk vulnerability.
EUVDB-ID: #VU26972
Risk: Low
CVSSv3.1: 2.7 [CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]
CVE-ID: CVE-2020-9071
CWE-ID:
CWE-125 - Out-of-bounds read
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a boundary condition when parsing certain message. A remote authenticated attacker can send specially crafted messages to the device, trigger out-of-bounds read error and cause a denial of service condition on the system.
MitigationInstall updates from vendor's website.
Vulnerable software versionsHuawei AR120-S: V200R007C00SPC900 - V200R007C00SPCc00
Huawei AR1200: V200R007C00SPC900 - V200R007C00SPCc00
Huawei AR1200-S: V200R007C00SPC900 - V200R007C00SPCc00
Huawei AR150: V200R007C00SPC900 - V200R007C00SPCc00
Huawei AR150-S: V200R007C00SPC900 - V200R007C00SPCc00
Huawei AR160: V200R007C00SPC900 - V200R007C00SPCc00
Huawei AR200: V200R007C00SPC900 - V200R007C00SPCc00
Huawei AR200-S: V200R007C00SPC900 - V200R007C00SPCc00
Huawei AR2200: V200R007C00SPC900 - V200R007C00SPCc00
Huawei AR2200-S: V200R007C00SPC900 - V200R007C00SPCc00
Huawei AR3200: V200R007C00 - V200R007C00SPCc00
Huawei AR3600: V200R007C00SPC900 - V200R007C00SPCc00
Huawei AR510: V200R007C00SPC900
Huawei NetEngine16EX: V200R007C00SPC900 - V200R007C00SPCc00
Huawei SRG1300: V200R007C00SPC900 - V200R007C00SPCc00
Huawei SRG2300: V200R007C00SPC900 - V200R007C00SPCc00
Huawei SRG3300: V200R007C00SPC900 - V200R007C00SPCc00
External linkshttp://www.huawei.com/en/psirt/security-advisories/huawei-sa-20200415-01-oob-en
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote authenticated user 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.