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Security Advisory - Out of Bounds Write Vulnerability in Some Huawei Products

  • SA No:huawei-sa-20211020-01-outofwrite
  • Initial Release Date: Oct 20, 2021
  • Last Release Date: Oct 20, 2021

There is an out of bounds write vulnerability in some Huawei products. The vulnerability is caused by a function of a module that does not properly verify input parameter. Successful exploit could cause out of bounds write leading to a denial of service condition. (Vulnerability ID: HWPSIRT-2021-34990)

This vulnerability has been assigned a Common Vulnerabilities and Exposures (CVE) ID: CVE-2021-37129.

 

Huawei has released software updates to fix this vulnerability. This advisory is available at the following link:
http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20211020-01-outofwrite-en

Product Name

Affected Version

Resolved Product and Version

IPS Module

V500R005C00

V500R005C20SPC601

V500R005C20

NGFW Module

V500R005C00

V500R005C20SPC601

NIP6600

V500R005C00

V500R005C20SPC601

V500R005C20

S12700

V200R010C00SPC600

V200R019C10SPC500+V200R019SPH029

V200R011C10SPC500

V200R011C10SPC600

V200R013C00SPC500

V200R019C00SPC200

V200R019C00SPC500

V200R019C10SPC200

V200R020C00

V200R020C10SPC500

V200R020C10

V200R019C10SPC500+V200R019SPH029

S1700

V200R010C00SPC600

V200R019C10SPC500+V200R019SPH029

V200R011C10SPC500

V200R011C10SPC600

S2700

V200R010C00SPC600

V200R019C10SPC500+V200R019SPH029

V200R011C10SPC500

V200R011C10SPC600

S5700

V200R010C00SPC600

V200R019C10SPC500+V200R019SPH029

V200R010C00SPC700

V200R011C10SPC500

V200R011C10SPC600

V200R019C00SPC500

S6700

V200R010C00SPC600

V200R019C10SPC500+V200R019SPH029

V200R011C10SPC500

V200R011C10SPC600

S7700

V200R010C00SPC600

V200R019C10SPC500+V200R019SPH029

V200R010C00SPC700

V200R011C10SPC500

V200R011C10SPC600

S9700

V200R010C00SPC600

V200R019C10SPC500+V200R019SPH029

V200R011C10SPC500

V200R020C10SPC500

V200R011C10SPC600

V200R019C10SPC500+V200R019SPH029

USG9500

V500R005C00

V500R005C20SPC601

V500R005C20


Successful exploit could cause out of bounds write leading to a denial of service condition.


The vulnerability classification has been performed by using the CVSSv3 scoring system (http://www.first.org/cvss/specification-document).

Base Score: 5.9 (AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H)

Temporal Score: 5.5 (E:F/RL:O/RC:C)


This vulnerability can be exploited only when the following conditions are present:

An attacker could send a crafted message to the device.

Vulnerability details:

The vulnerability is caused by a function of a module that does not properly verify input parameter. Successful exploit could cause out of bounds write leading to a denial of service condition.


Customers should contact Huawei TAC (Huawei Technical Assistance Center) to request the upgrades. For TAC contact information, please refer to Huawei worldwide website at http://www.huawei.com/en/psirt/report-vulnerabilities.

This vulnerability was discovered by Huawei internal tester.


2021-10-20 V1.0 INITIAL


Huawei adheres to protecting the ultimate interests of users with best efforts and the principle of responsible disclosure and deal with product security issues through our response mechanism.

To enjoy Huawei PSIRT services and obtain Huawei product vulnerability information, please visit http://www.huawei.com/en/psirt.

To report a security vulnerability in Huawei products and solutions, please send it to PSIRT@huawei.com. For details, please visit http://www.huawei.com/en/psirt/report-vulnerabilities.

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