CVE-2022-21696 Username spoofing in OnionShare

2022-01-1819:55:10

CWE-20

GitHub_M

www.cve.org

cve-2022-21696

username spoofing

onionshare

open source

secure file sharing

tor network.

CVSS3

4.3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

NONE

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

AI Score

4.9

Confidence

High

EPSS

0.001

Percentile

19.4%

JSON

OnionShare is an open source tool that lets you securely and anonymously share files, host websites, and chat with friends using the Tor network. In affected versions it is possible to change the username to that of another chat participant with an additional space character at the end of the name string. An adversary with access to the chat environment can use the rename feature to impersonate other participants by adding whitespace characters at the end of the username.

CNA Affected

[
  {
    "product": "onionshare",
    "vendor": "onionshare",
    "versions": [
      {
        "status": "affected",
        "version": "< 2.5"
      }
    ]
  }
]