CVE-2020-8290

High

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.

SeverityHigh
CVSS7.8
Exploit probability—
ProductBackblaze
PublishedDec 27, 2020
First seenDec 27, 2020

How to fix

Update
  • backblaze backblaze7.0.0.439 or later

Affected products

ProductAffected versionsFixed in
backblaze backblazev < 7.0.0.4397.0.0.439

Check your version

Choose the product and enter the version you run to see whether it falls in the affected range.

In the Intelligence 360 plan

Attack Surface Management

See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.

CVE-2020-8290 · Backblaze · Dark Radar