CVE-2020-8289
High
Description
Backblaze for Windows before 7.0.1.433 and Backblaze for macOS before 7.0.1.434 suffer from improper certificate validation in `bztransmit` helper due to hardcoded whitelist of strings in URLs where validation is disabled leading to possible remote code execution via client update functionality.
SeverityHigh
CVSS7.8
Exploit probability—
ProductBackblaze
PublishedDec 27, 2020
First seenDec 27, 2020
Weakness typeCWE-295CWE-295
How to fix
Update
- backblaze backblaze7.0.1.433, 7.0.1.434 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| backblaze backblaze | v < 7.0.1.433, v < 7.0.1.434 | 7.0.1.433, 7.0.1.434 |
Check your version
Choose the product and enter the version you run to see whether it falls in the affected range.
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