CVE-2020-9086: b612 Memory Corruption — Fix

Description

There is a buffer error vulnerability in some Huawei product. An unauthenticated attacker may send special UPNP message to the affected products. Due to insufficient input validation of some value, successful exploit may cause some service abnormal. (Vulnerability ID: HWPSIRT-2017-08234) This vulnerability has been assigned a Common Vulnerabilities and Exposures (CVE) ID: CVE-2020-9086.

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CVSS v3.1 Score

4.3

MEDIUM

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

Weakness Type (CWE)

CWE-124 CWE-124

CWE-787 Out-of-bounds Write

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-buffer_en

Frequently Asked Questions

What is CVE-2020-9086? +

There is a buffer error vulnerability in some Huawei product. An unauthenticated attacker may send special UPNP message to the affected products. Due to insufficient input validation of some value, successful exploit may cause some service abnormal. (Vulnerability ID: HWPSIRT-2017-08234) This vulnerability has been assigned a Common Vulnerabilities and Exposures (CVE) ID: CVE-2020-9086. It has a CVSS v3.1 base score of 4.3 (MEDIUM).

How severe is CVE-2020-9086? +

CVE-2020-9086 has a CVSS v3.1 score of 4.3 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-2020-9086? +

CVE-2020-9086 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-2020-9086? +

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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