SB20200716108 - Multiple vulnerabilities in some Huawei Products

Description

This security bulletin contains information about 3 vulnerabilities.

1) Information disclosure (CVE-ID: CVE-2020-9102)

CWE-ID: CWE-200 - Exposure of sensitive information to an unauthorized actor

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear

The vulnerability allows a local attacker to gain access to potentially sensitive information.

The vulnerability exists due to the improper management of the username. A local attacker can gain unauthorized access to sensitive information on the system.

2) Out-of-bounds read (CVE-ID: CVE-2020-9094)

CWE-ID: CWE-125 - Out-of-bounds read

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Green

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a boundary condition when a module does not deal with specific message properly. A remote attacker can send a malicious packet, trigger out-of-bounds read error and cause a denial of service condition on the system.

3) Improper Authentication (CVE-ID: CVE-2020-9207)

CWE-ID: CWE-287 - Improper Authentication

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green

The vulnerability allows a remote attacker to bypass authentication process.

The vulnerability exists due to a module does not verify the input file properly. A remote attacker can send specially crafted files to bypass current verification mechanism.

Remediation

Install update from vendor's website.

References

• https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20200715-03-informationleak-en
• https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20201216-01-obr-en
• https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20201216-01-vrp-en