CVE-2020-8290
Last modified
CVE-2020-8290 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. 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.. EPSS estimates a 0.58% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Backblaze | Backblaze | < 7.0.0.439 |
References
- https://github.com/geffner/CVE-2020-8290/blob/master/README.mdExploit, Third Party Advisory
- https://hackerone.com/reports/818857Permissions Required
- https://youtu.be/OpC6neWd2aMExploit, Third Party Advisory
- https://github.com/geffner/CVE-2020-8290/blob/master/README.mdExploit, Third Party Advisory
- https://hackerone.com/reports/818857Permissions Required
- https://youtu.be/OpC6neWd2aMExploit, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
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How Strix Helps
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