CVE-2020-8289

Опубликовано: 27 дек. 2020

Источник: nvd

CVSS3: 7.8

CVSS2: 9.3

EPSS Средний

Описание

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.

Ссылки

http://seclists.org/fulldisclosure/2020/Dec/57
Mailing List
Third Party Advisory
http://seclists.org/fulldisclosure/2020/Dec/58
Mailing List
Third Party Advisory
https://github.com/geffner/CVE-2020-8289/blob/master/README.md
Exploit
Third Party Advisory
https://hackerone.com/reports/818853
Permissions Required
https://www.backblaze.com/blog/backblaze-cloud-backup-release-7-0-1/
Third Party Advisory
https://youtu.be/W0THXbcX5V8
Exploit
Third Party Advisory
http://seclists.org/fulldisclosure/2020/Dec/57
Mailing List
Third Party Advisory
http://seclists.org/fulldisclosure/2020/Dec/58
Mailing List
Third Party Advisory
https://github.com/geffner/CVE-2020-8289/blob/master/README.md
Exploit
Third Party Advisory
https://hackerone.com/reports/818853
Permissions Required
https://www.backblaze.com/blog/backblaze-cloud-backup-release-7-0-1/
Third Party Advisory
https://youtu.be/W0THXbcX5V8
Exploit
Third Party Advisory

Уязвимые конфигурации

Конфигурация 1

Одно из

cpe:2.3:a:backblaze:backblaze:*:*:*:*:*:windows:*:*

Версия до 7.0.1.433 (исключая)

cpe:2.3:a:backblaze:backblaze:*:*:*:*:*:macos:*:*

Версия до 7.0.1.434 (исключая)

EPSS

Процентиль: 95%

0.20543

Средний

7.8 High

CVSS3

9.3 Critical

CVSS2

Дефекты

CWE-295

Связанные уязвимости

GHSA-7f55-fqw6-8jjp

github

больше 3 лет назад

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.