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CVE-2020-8289

Published: Dec 27, 2020Updated: Nov 21, 2024 Sources: CVE List NVDCWE-295
7.8HIGH
NVD MITRE
EPSS Score
4.7%
Top 9.2%
CISA KEV
Not in KEV
Exploits
2 Known
Remediation
No Fix Available
Self-Check
Not available

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.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:LAC:LPR:NUI:RS:UC:HI:HA:H
Exploitability
AV:LAttack Vector
Local
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:RUser Interaction
Required
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

CWE-295

Affected Products

backblaze
commercial·USaka b2 command line tool, b2_command_line_tool
backblazeSaaS
Cloud & SaaS / cloud-platform
and 1 more affected products View all →

Exploitability

2 exploit sources identified

Exploit details including PoC links, Metasploit modules, and scanner templates are available after registration.

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Attack Graph

Products CVE Techniques Tactics

Click technique nodes for MITRE ATT&CK details · drag to pan · Ctrl/⌘ + scroll to zoom, or go fullscreen.

MITRE ATT&CK

1 technique
Collection
View detailed technique mapping

References

https://hackerone.com/reports/818853
hackerone.com
https://youtu.be/W0THXbcX5V8
youtu.be
https://github.com/geffner/CVE-2020-8289/blob/master/README.md
github.com
and 3 more references View all →

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