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RCE via MOSS functionality

High
damianhxy published GHSA-x5r3-vf3p-3269 Jan 13, 2023

Package

Autolab

Affected versions

>= 2.0.1, <= 2.9.0

Patched versions

2.10.0

Description

Impact

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.

Patches

The vulnerability has been patched in v2.10.0.

Workarounds

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.

References

For more information

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Severity

High
7.2
/ 10

CVSS base metrics

Attack vector
Network
Attack complexity
Low
Privileges required
High
User interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

CVE ID

CVE-2022-41955

Weaknesses

Credits