CVE-2021-34422

Published on: 11/11/2021 12:00:00 AM UTC

Last Modified on: 11/16/2021 07:42:00 PM UTC

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

Certain versions of Keybase from Keybase contain the following vulnerability:

The Keybase Client for Windows before version 5.7.0 contains a path traversal vulnerability when checking the name of a file uploaded to a team folder. A malicious user could upload a file to a shared folder with a specially crafted file name which could allow a user to execute an application which was not intended on their host machine. If a malicious user leveraged this issue with the public folder sharing feature of the Keybase client, this could lead to remote code execution.

  • CVE-2021-34422 has been assigned by URL Logo [email protected] to track the vulnerability - currently rated as CRITICAL severity.
  • Affected Vendor/Software: URL Logo Zoom Video Communications Inc - Keybase Client for Windows version < 5.7.0

CVSS3 Score: 9 - CRITICAL

Attack
Vector
Attack
Complexity
Privileges
Required
User
Interaction
NETWORK LOW LOW REQUIRED
Scope Confidentiality
Impact
Integrity
Impact
Availability
Impact
CHANGED HIGH HIGH HIGH

CVSS2 Score: 6 - MEDIUM

Access
Vector
Access
Complexity
Authentication
NETWORK MEDIUM SINGLE
Confidentiality
Impact
Integrity
Impact
Availability
Impact
PARTIAL PARTIAL PARTIAL

CVE References

Description Tags Link
Security Bulletin | Zoom explore.zoom.us
text/html
URL Logo MISC explore.zoom.us/en/trust/security/security-bulletin

Known Affected Configurations (CPE V2.3)

Type Vendor Product Version Update Edition Language
ApplicationKeybaseKeybaseAllAllAllAll
  • cpe:2.3:a:keybase:keybase:*:*:*:*:*:windows:*:*:

Discovery Credit

m4t35z

Social Mentions

Source Title Posted (UTC)
Twitter Icon @CVEreport CVE-2021-34422 : The Keybase Client for #Windows before version 5.7.0 contains a path traversal vulnerability when… twitter.com/i/web/status/1… 2021-11-11 23:07:59
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