CVE-2020-14000
Summary
| CVE | CVE-2020-14000 |
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| State | PUBLIC |
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| Assigner | [email protected] |
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| Source Priority | CVE Program / NVD first with legacy fallback |
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| Published | 2020-07-16 15:15:00 UTC |
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| Updated | 2020-07-24 15:02:00 UTC |
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| Description | MIT Lifelong Kindergarten Scratch scratch-vm before 0.2.0-prerelease.20200714185213 loads extension URLs from untrusted project.json files with certain _ characters, resulting in remote code execution because the URL's content is treated as a script and is executed as a worker. The responsible code is getExtensionIdForOpcode in serialization/sb3.js. The use of _ is incompatible with a protection mechanism in older versions, in which URLs were split and consequently deserialization attacks were prevented. NOTE: the scratch.mit.edu hosted service is not affected because of the lack of worker scripts. |
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NVD Known Affected Configurations (CPE 2.3)
| Type | Vendor | Product | Version | Update | Edition | Language |
|---|
| Application |
Mit |
Scratch-vm |
All |
All |
All |
All |
| Application |
Mit |
Scratch-vm |
All |
All |
All |
All |
References
| Reference | Source | Link | Tags |
|---|
| sanitize extension ID in getExtensionIdForOpcode by cwillisf · Pull Request #2476 · LLK/scratch-vm · GitHub |
CONFIRM |
github.com |
Third Party Advisory |
| CVE-2020-14000: Script Injection vulnerability in scratch-vm - Discuss Scratch |
CONFIRM |
scratch.mit.edu |
Vendor Advisory |
| CVE Program record |
CVE.ORG |
www.cve.org |
canonical |
| NVD vulnerability detail |
NVD |
nvd.nist.gov |
canonical, analysis |
No vendor comments have been submitted for this CVE.
Legacy QID Mappings
- 980744 Nodejs (npm) Security Update for scratch-vm (GHSA-vc9j-fhvv-8vrf)
