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CVE-2020-8290 Backblaze for Windows and Backblaze for macOS before 7.0.0.439 suffer from improper privilege management in `bztransmit`…

Description

Backblaze for Windows and Backblaze for macOS before 7.0.0.439 suffer from improper privilege management in `bztransmit` helper due to lack of permission handling and validation before creation of client update directories allowing for local escalation of privilege via rogue client update binary.

Affected products and versions

Product Affected versions Fixed in
Backblaze Versions not published
The 2 CVEs of Backblaze →
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