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cvelistGitHub_MCVELIST:CVE-2022-41955
HistoryJan 14, 2023 - 12:09 a.m.

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

2023-01-1400:09:07
CWE-78
GitHub_M
www.cve.org
7
autolab
remote code execution
moss
vulnerability
carnegie mellon university
instructor
server hosting
patch
version 2.10.0
workaround
disable feature

CVSS3

8.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

AI Score

9.2

Confidence

High

EPSS

0.003

Percentile

69.7%

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.

CNA Affected

[
  {
    "vendor": "autolab",
    "product": "Autolab",
    "versions": [
      {
        "version": ">= 2.0.1, <= 2.9.0",
        "status": "affected"
      }
    ]
  }
]

CVSS3

8.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

AI Score

9.2

Confidence

High

EPSS

0.003

Percentile

69.7%

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