CVE-2020-9085: b612 Null Dereference — Fix

Description

There is a NULL pointer dereference vulnerability in some Huawei products. An attacker may send specially crafted POST messages to the affected products. Due to insufficient validation of some parameter in the message, successful exploit may cause some process abnormal. (Vulnerability ID: HWPSIRT-2017-10105) This vulnerability has been assigned a Common Vulnerabilities and Exposures (CVE) ID: CVE-2020-9085.

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CVSS v3.1 Score

5.3

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Weakness Type (CWE)

CWE-476 CWE-476

Affected Products

Vendor	Product	Versions
huawei	b612_firmware	All
huawei	b612_firmware	All
huawei	b612_firmware	All
huawei	b612	All

References

Advisories & Patches

https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20200826-01-pointer_en

Frequently Asked Questions

What is CVE-2020-9085? +

There is a NULL pointer dereference vulnerability in some Huawei products. An attacker may send specially crafted POST messages to the affected products. Due to insufficient validation of some parameter in the message, successful exploit may cause some process abnormal. (Vulnerability ID: HWPSIRT-2017-10105) This vulnerability has been assigned a Common Vulnerabilities and Exposures (CVE) ID: CVE-2020-9085. It has a CVSS v3.1 base score of 5.3 (MEDIUM).

How severe is CVE-2020-9085? +

CVE-2020-9085 has a CVSS v3.1 score of 5.3 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2020-9085? +

CVE-2020-9085 affects products from huawei, specifically: b612, b612_firmware. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2020-9085? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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