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CVE-2022-41955— Autolab is vulnerable to remote code execution (RCE) via MOSS functionality

Quick assessment

Affected
autolab Autolab
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.

Autolab是一项课程管理服务。支持自动评分的编程作业。 Autolab 2.0.1版本至2.9.0版本存在命令注入漏洞。攻击者利用该漏洞可以在托管Autolab服务器上执行代码。

CVSS 8.8 · High EPSS 1.49% · P72

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2022-41955

Vulnerability Information
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Vulnerability Title
Autolab is vulnerable to remote code execution (RCE) via MOSS functionality
Source: CVE Program / CVE List V5
Vulnerability Description
Autolab is a course management service, initially developed by a team of students at Carnegie Mellon University, that enables instructors to offer autograded programming assignments to their students over the Web. A remote code execution vulnerability was discovered in Autolab's MOSS functionality, whereby an instructor with access to the feature might be able to execute code on the server hosting Autolab. This vulnerability has been patched in version 2.10.0. As a workaround, disable the MOSS feature if it is unneeded by replacing the body of `run_moss` in `app/controllers/courses_controller.rb` with `render(plain: "Feature disabled", status: :bad_request) && return`.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
OS命令中使用的特殊元素转义处理不恰当(OS命令注入)
Source: CVE Program / CVE List V5
Vulnerability Title
Autolab 命令注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Autolab是一项课程管理服务。支持自动评分的编程作业。 Autolab 2.0.1版本至2.9.0版本存在命令注入漏洞。攻击者利用该漏洞可以在托管Autolab服务器上执行代码。
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

Vendor Product Affected Versions CPE Subscribe
autolab Autolab >= 2.0.1, <= 2.9.0 -

II. Public POCs for CVE-2022-41955

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III. Intelligence Information for CVE-2022-41955

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Vendor Advisories for CVE-2022-41955 (1)

Other References for CVE-2022-41955 (1)

IV. Related Vulnerabilities

Same product: Autolab
Same vendor: autolab
Same weakness: CWE-78

V. Comments for CVE-2022-41955

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