CVE-2021-33637: Export container in a malicious directory may cause process to be hijacked

Published Oct 29, 2023
·
Updated

When the isula export command is used to export a container to an image and the container is controlled by an attacker, the attacker can escape the container.

Affected Software

3 affected components
Openeuler Isula=2.0.8-20210518.144540
Openeuler Isula=2.0.18-10
Openeuler Isula=2.1.2

Event History

Oct 29, 2023
CVE Published
07:58 AM
Data Sourced
07:58 AM
DescriptionSeverityWeakness
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Frequently Asked Questions

1

What is CVE-2021-33637?

CVE-2021-33637 is a vulnerability that occurs when the isula export command is used to export a container to an image and the container is controlled by an attacker, allowing the attacker to escape the container.

2

What is the severity of CVE-2021-33637?

The severity of CVE-2021-33637 is high with a CVSS score of 8.4.

3

Which software versions are affected by CVE-2021-33637?

Openeuler Isula versions 2.0.8-20210518.144540, 2.0.18-10, and 2.1.2 are affected by CVE-2021-33637.

4

How can I fix CVE-2021-33637?

To fix CVE-2021-33637, it is recommended to update Openeuler Isula to a patched version provided by the vendor. Refer to the references for more information.

5

Where can I find more information about CVE-2021-33637?

You can find more information about CVE-2021-33637 in the references provided: [Reference 1](https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2023-1686), [Reference 2](https://gitee.com/src-openeuler/iSulad/pulls/627/files), [Reference 3](https://gitee.com/src-openeuler/iSulad/pulls/600/files).

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