CVE-2021-33638: Run copy with container in a malicious directory may cause container escaping
First published: Sun Oct 29 2023(Updated: )
When the isula cp command is used to copy files from a container to a host machine and the container is controlled by an attacker, the attacker can escape the container.
Credit: securities@openeuler.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| openEuler iSulad | =2.0.8-20210518.144540 | |
| openEuler iSulad | =2.0.18-10 | |
| openEuler iSulad | =2.1.2 |
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Reference Links
Frequently Asked Questions
What is CVE-2021-33638?
CVE-2021-33638 is a vulnerability that occurs when the isula cp command is used to copy files from a container to a host machine and the container is controlled by an attacker, allowing the attacker to escape the container.
How does CVE-2021-33638 affect Openeuler Isula?
Openeuler Isula versions 2.0.8-20210518.144540, 2.0.18-10, and 2.1.2 are affected by CVE-2021-33638.
What is the severity of CVE-2021-33638?
CVE-2021-33638 has a severity rating of 8.4, which is considered high.
How can I fix CVE-2021-33638 in Openeuler Isula?
To fix CVE-2021-33638, update Openeuler Isula to a version that is not affected by the vulnerability.
Where can I find more information about CVE-2021-33638?
More information about CVE-2021-33638 can be found at the following references: [Link 1](https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2023-1686), [Link 2](https://gitee.com/src-openeuler/iSulad/pulls/627/files), [Link 3](https://gitee.com/src-openeuler/iSulad/pulls/600/files)
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- agent/source
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- agent/softwarecombine
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- agent/software-canonical-lookup-request
- vendor/openeuler
- canonical/openeuler isulad
- version/openeuler isulad/2.0.8-20210518.144540
- version/openeuler isulad/2.0.18-10
- version/openeuler isulad/2.1.2