CVE-2021-33632 - CVE House
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Status published High CVE-2021-33632

TOCTOU Race Condition problem in iSulad

Vulnerability Description

Time-of-check Time-of-use (TOCTOU) Race Condition vulnerability in openEuler iSulad on Linux allows Leveraging Time-of-Check and Time-of-Use (TOCTOU) Race Conditions. This vulnerability is associated with program files https://gitee.Com/openeuler/iSulad/blob/master/src/cmd/isulad/main.C. This issue affects iSulad: 2.0.18-13, from 2.1.4-1 through 2.1.4-2.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • dbearzhu@huawei.com

References

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Affected Vendor

Affected Software

iSulad
Vulnerable Versions:
2.0.18-13, 2.1.4-1

Timeline

Official Publish: March 25th, 2024
Last Modified: August 3rd, 2024
Added to House: July 21st, 2026

CVSS Vectors

V3: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Weaknesses (CWE)

CWE-367

MITRE ATT&CK TTPs

T1574 Hijack Execution Flow
Privilege Escalation
T1068 Exploitation for Privilege Escalation
Privilege Escalation
T1036 Masquerading
Defense Evasion
T1485 Data Destruction
Impact
T1005 Data from Local System
Collection