CVE-2021-33636— Load malicious images may cause process to be hijacked
Quick assessment
Affected
openEuler iSulad
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
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 isula load 命令加载恶意镜像时，攻击者可以执行任意代码。
Possible ATT&CK Techniques 1 AI
T1059 · Command and Scripting Interpreter
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I. Basic Information for CVE-2021-33636
Vulnerability Information
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Vulnerability Title
Load malicious images may cause process to be hijacked
Source: CVE Program / CVE List V5
Vulnerability Description
When the isula load command is used to load malicious images, attackers can execute arbitrary code.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
初始化不恰当
Source: CVE Program / CVE List V5
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 isula load 命令加载恶意镜像时，攻击者可以执行任意代码。
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-2021-33636
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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Other References for CVE-2021-33636 (3)
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-2021-33634 | 6.3 MEDIUM | Malicious image running containers may cause DoS attacks |