CVE-2021-23263— Transmission of Private Resources into a New Sphere ('Resource Leak') in Crafter Engine
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I. Basic Information for CVE-2021-23263
Vulnerability Information
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Vulnerability Title
Transmission of Private Resources into a New Sphere ('Resource Leak') in Crafter Engine
Source: NVD (National Vulnerability Database)
Vulnerability Description
Unauthenticated remote attackers can read textual content via FreeMarker including files /scripts/*, /templates/* and some of the files in /.git/* (non-binary).
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
将私有的资源传输到一个新的空间(资源泄露)
Source: NVD (National Vulnerability Database)
Vulnerability Title
Apache FreeMarker 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Apache FreeMarker是美国阿帕奇（Apache）基金会的一个基于Java的模板引擎，最初专注于使用MVC软件架构生成动态网页。 Apache FreeMarker 存在安全漏洞，攻击者可利用该漏洞通过FreeMarker读取文本内容，包括文件脚本*、模板*和.git *(非二进制)中的一些文件。
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 |
|---|---|---|---|---|
| Crafter Software | Crafter CMS | 3.1 ~ 3.1.15 | - |
II. Public POCs for CVE-2021-23263
| # | POC Description | Source Link | Shenlong Link |
|---|
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Same Patch Batch · Crafter Software · 2021-12-02 · 7 CVEs total
| CVE-2021-23264 | 8.1 HIGH | Transmission of Private Resources into a New Sphere ('Resource Leak') and Exposure of Reso |
| CVE-2021-23260 | 6.5 MEDIUM | Stored XSS Vulnerability in File Name of the File Upload function |
| CVE-2021-23261 | 4.5 MEDIUM | Overriding the system configuration file causes a denial of service |
| CVE-2021-23258 | 4.2 MEDIUM | Spring SPEL Expression Language Injection |
| CVE-2021-23259 | 4.2 MEDIUM | Groovy Sandbox Bypass |
| CVE-2021-23262 | 4.2 MEDIUM | Snakeyaml deserialization vulnerability bypass |
IV. Related Vulnerabilities
Same product: Crafter CMS
- CVE-2022-40635
Improper Control of Dynamically-Managed Code Resources in Cr - CVE-2022-40634
Improper Control of Dynamically-Managed Code Resources in Cr - CVE-2021-23267
Improper Control of Dynamically-Managed Code Resources in Cr - CVE-2021-23266
Improper Output Neutralization for Logs in Crafter Studio - CVE-2021-23265
Improper Privilege Management in Crafter Studio
Same vendor: Crafter Software
- CVE-2022-40635
Improper Control of Dynamically-Managed Code Resources in Cr - CVE-2022-40634
Improper Control of Dynamically-Managed Code Resources in Cr - CVE-2021-23267
Improper Control of Dynamically-Managed Code Resources in Cr - CVE-2021-23266
Improper Output Neutralization for Logs in Crafter Studio - CVE-2021-23265
Improper Privilege Management in Crafter Studio
V. Comments for CVE-2021-23263
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