CVE-2021-3100— Log4j hot patch package privilege escalation
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I. Basic Information for CVE-2021-3100
Vulnerability Information
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Vulnerability Title
Log4j hot patch package privilege escalation
Source: NVD (National Vulnerability Database)
Vulnerability Description
The Apache Log4j hotpatch package before log4j-cve-2021-44228-hotpatch-1.1-13 didn’t mimic the permissions of the JVM being patched, allowing it to escalate privileges.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
带着不必要的权限执行
Source: NVD (National Vulnerability Database)
Vulnerability Title
Apache Log4j 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Apache Log4j是美国阿帕奇（Apache）基金会的一款基于Java的开源日志记录工具。 Amazon Linux log4j-cve-2021-44228-hotpatch 1.1-12 版本之前存在安全漏洞，该漏洞源于 log4j-cve-2021-44228-hotpatch-1.1-12 之前的 Apache Log4j hotpatch 包没有模仿被修补的 JVM 的权限，允许它提升权限。
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
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Amazon Web Services | log4j-cve-2021-44228-hotpatch | unspecified ~ 1.1-13 | - |
II. Public POCs for CVE-2021-3100
| # | POC Description | Source Link | Shenlong Link |
|---|
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- https://alas.aws.amazon.com/AL2/ALAS-2021-1732.htmlx_refsource_MISC
- ALAS-2021-1554x_refsource_MISC
- https://nvd.nist.gov/vuln/detail/CVE-2021-3100
Same Patch Batch · Amazon Web Services · 2022-04-19 · 4 CVEs total
| CVE-2021-3101 | 8.8 HIGH | Hotdog Container Escape |
| CVE-2022-0070 | 8.8 HIGH | Log4j hot patch package privilege escalation |
| CVE-2022-0071 | 8.8 HIGH | Hotdog Container Escape |
IV. Related Vulnerabilities
Same vendor: Amazon Web Services
Same weakness: CWE-250
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V. Comments for CVE-2021-3100
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