File Upload Vulnerability in OnionShare by OnionShare Team
CVE-2021-41868

9.8CRITICAL

Key Information:

Vendor

Onionshare

Status
Onionshare
Vendor
CVE Published:
4 October 2021

What is CVE-2021-41868?

OnionShare versions prior to 2.4 are susceptible to a vulnerability that allows remote attackers without authentication to upload arbitrary files to a non-public node while utilizing the --receive functionality. This can lead to potential exploitation of the system, making it crucial for users to upgrade to version 2.4 or later to mitigate this risk.

References

https://github.com/onionshare/onionshare/compare/v2.3.3.....
x_refsource_MISC
https://www.ihteam.net/advisory/onionshare/
x_refsource_MISC

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.