high
7.5
CWE
415
Advisory Published
Updated

CVE-2021-22332: Double Free

First published: Wed Apr 28 2021(Updated: )

There is a pointer double free vulnerability in some versions of CloudEngine 5800, CloudEngine 6800, CloudEngine 7800 and CloudEngine 12800. When a function is called, the same memory pointer is copied to two functional modules. Attackers can exploit this vulnerability by performing a malicious operation to cause the pointer double free. This may lead to module crash, compromising normal service.

Credit: psirt@huawei.com

Affected SoftwareAffected VersionHow to fix
Huawei Cloudengine 12800 Firmware=v200r002c50spc800
Huawei Cloudengine 12800 Firmware=v200r003c00spc810
Huawei Cloudengine 12800 Firmware=v200r005c00spc800
Huawei Cloudengine 12800 Firmware=v200r005c10spc800
Huawei CloudEngine 12800
Huawei Cloudengine 5800 Firmware=v200r002c50spc800
Huawei Cloudengine 5800 Firmware=v200r003c00spc810
Huawei Cloudengine 5800 Firmware=v200r005c00spc800
Huawei Cloudengine 5800 Firmware=v200r005c10spc800
Huawei CloudEngine 5800
Huawei Cloudengine 6800 Firmware=v200r002c50spc800
Huawei Cloudengine 6800 Firmware=v200r003c00spc810
Huawei Cloudengine 6800 Firmware=v200r005c00spc800
Huawei Cloudengine 6800 Firmware=v200r005c10spc800
Huawei CloudEngine 6800
Huawei Cloudengine 7800 Firmware=v200r002c50spc800
Huawei Cloudengine 7800 Firmware=v200r003c00spc810
Huawei Cloudengine 7800 Firmware=v200r005c00spc800
Huawei Cloudengine 7800 Firmware=v200r005c10spc800
Huawei Cloudengine 7800

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Reference Links

Frequently Asked Questions

  • What is CVE-2021-22332?

    CVE-2021-22332 is a pointer double free vulnerability in some versions of Huawei CloudEngine 5800, CloudEngine 6800, CloudEngine 7800, and CloudEngine 12800.

  • What is the severity of CVE-2021-22332?

    The severity of CVE-2021-22332 is high with a CVSS score of 7.5.

  • How does the vulnerability in CVE-2021-22332 work?

    The vulnerability in CVE-2021-22332 occurs when a function is called, and the same memory pointer is copied to two functional modules, allowing attackers to perform a malicious operation.

  • Which versions of CloudEngine devices are affected by CVE-2021-22332?

    The affected versions include Huawei CloudEngine 5800, CloudEngine 6800, CloudEngine 7800, and CloudEngine 12800 with specific firmware versions.

  • How can I fix CVE-2021-22332?

    To fix CVE-2021-22332, it is recommended to update the firmware of the affected Huawei CloudEngine devices to a non-vulnerable version.

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