Medium severity · published Oct 29, 2023
CVE-2021-33638
Run copy with container in a malicious directory may cause container escaping
6.5
CVSS
0.2%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:N
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
High
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 12% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
IS
iSulad · openEuler
through 2.0.8-20210518.144540.git5288ed93,2.0.18-10,2.1.2 · source: vendor
IS
Isula · Openeuler
2.0.8-20210518.144540; 2.0.18-10; 2.1.2 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-33638
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-33638
Patch
https://gitee.com/src-openeuler/iSulad/pulls/600/files
Patch
https://gitee.com/src-openeuler/iSulad/pulls/627/files
Vendor Advisory
https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2023-1686
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