Arbitrary File Upload Affecting skipper package, versions *


Severity

Recommended
0.0
medium
0
10

CVSS assessment made by Snyk's Security Team

    Threat Intelligence

    Exploit Maturity
    Proof of concept
    EPSS
    0.34% (72nd percentile)

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  • Snyk ID SNYK-JS-SKIPPER-2635940
  • published 28 Jun 2022
  • disclosed 13 Apr 2022
  • credit Harun Öz

How to fix?

There is no fixed version for skipper.

Overview

skipper is a Bodyparser for Express/Sails. Exposes simple API for streaming multiple files to disk, S3, etc. without buffering to a .tmp directory.

Affected versions of this package are vulnerable to Arbitrary File Upload in the file upload module, which allows attackers to execute arbitrary code via a crafted file.

References

CVSS Scores

version 3.1
Expand this section

Snyk

5.3 medium
  • Attack Vector (AV)
    Network
  • Attack Complexity (AC)
    Low
  • Privileges Required (PR)
    None
  • User Interaction (UI)
    None
  • Scope (S)
    Unchanged
  • Confidentiality (C)
    None
  • Integrity (I)
    Low
  • Availability (A)
    None
Expand this section

NVD

9.8 critical