CVE-2020-8289

Published: Dic 27, 2020 Last Modified: Nov 21, 2024
ExploitDB:
Other exploit source:
Google Dorks:
HIGH 7,8
Attack Vector: local
Attack Complexity: low
Privileges Required: none
User Interaction: required
Scope: unchanged
Confidentiality: high
Integrity: high
Availability: high
HIGH 9,3
Access Vector: network
Access Complexity: medium
Authentication: none
Confidentiality: complete
Integrity: complete
Availability: complete

Description

AI Translation Available

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.

EPSS (Exploit Prediction Scoring System)

Trend Analysis

EPSS (Exploit Prediction Scoring System)

Prevede la probabilità di sfruttamento basata su intelligence sulle minacce e sulle caratteristiche della vulnerabilità.

EPSS Score
0,2054
Percentile
1,0th
Updated

EPSS Score Trend (Last 90 Days)

295

Improper Certificate Validation

Draft
Common Consequences
Security Scopes Affected:
Integrity Authentication
Potential Impacts:
Bypass Protection Mechanism Gain Privileges Or Assume Identity
Applicable Platforms
Technologies: Mobile, Not Technology-Specific, Web Based
View CWE Details
Application

Backblaze by Backblaze

Version Range Affected
To 7.0.1.433 (exclusive)
cpe:2.3:a:backblaze:backblaze:*:*:*:*:*:windows:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Backblaze by Backblaze

Version Range Affected
To 7.0.1.434 (exclusive)
cpe:2.3:a:backblaze:backblaze:*:*:*:*:*:macos:*:*
Common Platform Enumeration - Standardized vulnerability identification
http://seclists.org/fulldisclosure/2020/Dec/57
Mailing List Third Party Advisory
http://seclists.org/fulldisclosure/2020/Dec/57
http://seclists.org/fulldisclosure/2020/Dec/58
Mailing List Third Party Advisory
http://seclists.org/fulldisclosure/2020/Dec/58
https://github.com/geffner/CVE-2020-8289/blob/master/README.md
https://hackerone.com/reports/818853
https://www.backblaze.com/blog/backblaze-cloud-backup-release-7-0-1/
https://youtu.be/W0THXbcX5V8
Exploit Third Party Advisory
https://youtu.be/W0THXbcX5V8
http://seclists.org/fulldisclosure/2020/Dec/57
Mailing List Third Party Advisory
http://seclists.org/fulldisclosure/2020/Dec/57
http://seclists.org/fulldisclosure/2020/Dec/58
Mailing List Third Party Advisory
http://seclists.org/fulldisclosure/2020/Dec/58
https://github.com/geffner/CVE-2020-8289/blob/master/README.md
https://hackerone.com/reports/818853
https://www.backblaze.com/blog/backblaze-cloud-backup-release-7-0-1/
https://youtu.be/W0THXbcX5V8
Exploit Third Party Advisory
https://youtu.be/W0THXbcX5V8