Local File Truncation Vulnerability in WhiteBeam Software
CVE-2021-47688

5.7MEDIUM

Key Information:

Vendor

Whitebeam

Status
Whitebeam
Vendor
CVE Published:
23 June 2025

What is CVE-2021-47688?

In versions 0.2.0 through 0.2.1 of WhiteBeam, a vulnerability allows users with local access to the server to exploit the allow-list functionality. This is achieved through a flaw in the OpenFileDescriptor action, permitting the file to be truncated prior to the execution of the VerifyCanWrite action. This misconfiguration could result in unauthorized data manipulation by effectively bypassing security protocols designed to restrict file access.

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Affected Version(s)

WhiteBeam 0.2.0 < 0.2.2

References

https://github.com/WhiteBeamSec/WhiteBeam/security/adviso...
https://github.com/WhiteBeamSec/WhiteBeam/security/policy
https://github.com/WhiteBeamSec/WhiteBeam/pull/22

CVSS V3.1

Score:
5.7
Severity:
MEDIUM
Confidentiality:
None
Integrity:
Low
Availability:
None
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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