CVE-2020-8290
Backblaze Privilege Escalation Vulnerability
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.
INFO
Published Date :
Dec. 27, 2020, 2:15 a.m.
Last Modified :
Dec. 31, 2020, 7:25 p.m.
Source :
[email protected]
Remotely Exploitable :
No
Impact Score :
5.9
Exploitability Score :
1.8
Public PoC/Exploit Available at Github
CVE-2020-8290 has a 4 public PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2020-8290.
| URL | Resource |
|---|---|
| https://github.com/geffner/CVE-2020-8290/blob/master/README.md | Exploit Third Party Advisory |
| https://hackerone.com/reports/818857 | Permissions Required |
| https://youtu.be/OpC6neWd2aM | Exploit Third Party Advisory |
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
None
None
None
CVE-2020-8290 – Elevation of Privilege in Backblaze
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2020-8290 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2020-8290 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
Initial Analysis by [email protected]
Dec. 31, 2020
Action Type Old Value New Value Added CVSS V2 NIST (AV:L/AC:L/Au:N/C:P/I:P/A:P) Added CVSS V3.1 NIST AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Changed Reference Type https://github.com/geffner/CVE-2020-8290/blob/master/README.md No Types Assigned https://github.com/geffner/CVE-2020-8290/blob/master/README.md Exploit, Third Party Advisory Changed Reference Type https://hackerone.com/reports/818857 No Types Assigned https://hackerone.com/reports/818857 Permissions Required Changed Reference Type https://youtu.be/OpC6neWd2aM No Types Assigned https://youtu.be/OpC6neWd2aM Exploit, Third Party Advisory Added CWE NIST CWE-269 Added CPE Configuration OR *cpe:2.3:a:backblaze:backblaze:*:*:*:*:*:macos:*:* versions up to (excluding) 7.0.0.439 *cpe:2.3:a:backblaze:backblaze:*:*:*:*:*:windows:*:* versions up to (excluding) 7.0.0.439
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2020-8290 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2020-8290
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.04 }} 0.00%
score
0.05635
percentile