CVE-2021-33634— Malicious image running containers may cause DoS attacks
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I. Basic Information for CVE-2021-33634
Vulnerability Information
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Vulnerability Title
Malicious image running containers may cause DoS attacks
Source: NVD (National Vulnerability Database)
Vulnerability Description
iSulad uses the lcr+lxc runtime (default) to run malicious images, which can cause DOS.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:N/I:N/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
初始化不恰当
Source: NVD (National Vulnerability Database)
Vulnerability Title
openEuler 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
openEuler是开放原子开源基金会的一款操作系统。 openEuler 存在安全漏洞，该漏洞源于当 iSulad lcr+lxc 运行时（默认）运行恶意镜像，可能导致拒绝服务。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
II. Public POCs for CVE-2021-33634
| # | POC Description | Source Link | Shenlong Link |
|---|
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Same Patch Batch · openEuler · 2023-10-29 · 5 CVEs total
| CVE-2021-33635 | 9.8 CRITICAL | Pull malicious images may cause process to be hijacked |
| CVE-2021-33638 | 8.4 HIGH | Run copy with container in a malicious directory may cause container escaping |
| CVE-2021-33637 | 8.4 HIGH | Export container in a malicious directory may cause process to be hijacked |
| CVE-2021-33636 | 8.4 HIGH | Load malicious images may cause process to be hijacked |
IV. Related Vulnerabilities
V. Comments for CVE-2021-33634
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