Out-of-bounds read in Huawei products - CVE-2020-9071

Vulnerability identifier: #VU26972

CSH Severity: Low

CVSS v4: 2.3 [CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]

CVE-ID: CVE-2020-9071

CWE-ID: CWE-125

Exploitation vector: Remote access

Exploit availability: No public exploit available

The 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.

Huawei AR2200
Huawei AR200
Huawei AR160
Huawei AR3200
Huawei AR3600
Huawei AR150
Huawei AR1200
Huawei AR120-S
Huawei SRG1300
Huawei AR200-S
Huawei AR2200-S
Huawei SRG3300
Huawei SRG2300
Huawei AR150-S
Huawei NetEngine16EX
Huawei AR1200-S
Huawei AR510

Install updates from vendor's website.

Huawei AR2200 - update to V200R009C00SPC500
Huawei AR200 - update to V200R009C00SPC500
Huawei AR160 - update to V200R009C00SPC500
Huawei AR3200 - update to V200R009C00SPC500
Huawei AR3600 - update to V200R009C00SPC500
Huawei AR150 - update to V200R009C00SPC500
Huawei AR1200 - update to V200R009C00SPC500
Huawei AR120-S - update to V200R009C00SPC500
Huawei SRG1300 - update to V200R009C00SPC500
Huawei AR200-S - update to V200R009C00SPC500
Huawei AR2200-S - update to V200R009C00SPC500
Huawei SRG3300 - update to V200R009C00SPC500
Huawei SRG2300 - update to V200R009C00SPC500
Huawei AR150-S - update to V200R009C00SPC500
Huawei NetEngine16EX - update to V200R009C00SPC500
Huawei AR1200-S - update to V200R009C00SPC500
Huawei AR510 - update to V200R009C00SPC500

• https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20200415-01-oob-en

• Denial of service in Some Huawei Products