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Code injection in Nextcloud Desktop Client for macOS (NC-SA-2020-016)

17th February 2020

Risk level: Low

CVSS v3 Base Score: 3.8 (AV:L/AC:H/PR:H/UI:R/S:U/C:L/I:L/A:L)

CWE: Improper Control of Generation of Code (Code Injection) (CWE-94)

HackerOne report: 633266

Description

A code injection in Nextcloud Desktop Client 2.6.2 for macOS allowed to load arbitrary code when starting the client with DYLD_INSERT_LIBRARIES set in the enviroment.

Affected Software

  • Nextcloud Desktop < 2.6.3 (CVE-2020-8140)

Action Taken

The error has been fixed.

Resolution

It is recommended that the Nextcloud Desktop Client is upgraded to 2.6.3.

Acknowledgements

The Nextcloud team thanks the following people for their research and responsible disclosure of the above advisory:


This advisory is licensed CC BY-SA 4.0.

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