A vulnerability identified in the Tailscale Windows client allows a malicious website to reconfigure the Tailscale daemon `tailscaled`, which can then be used to remotely execute code. In the Tailscale Windows client, the local API was bound to a local TCP socket, and communicated with the Windows client GUI in cleartext with no Host header verification. This allowed an attacker-controlled website visited by the node to rebind DNS to an attacker-controlled DNS server, and then make local API requests in the client, including changing the coordination server to an attacker-controlled coordination server. An attacker-controlled coordination server can send malicious URL responses to the client, including pushing executables or installing an SMB share. These allow the attacker to remotely execute code on the node. All Windows clients prior to version v.1.32.3 are affected. If you are running Tailscale on Windows, upgrade to v1.32.3 or later to remediate the issue.
Published 2022-11-23 19:15:12
Updated 2023-06-27 14:19:00
Source GitHub, Inc.
View at NVD,   CVE.org
Vulnerability category: Cross-site request forgery (CSRF)Execute code

Exploit prediction scoring system (EPSS) score for CVE-2022-41924

0.19%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 57 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2022-41924

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
9.6
CRITICAL CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:L/A:H
2.8
6.0
GitHub, Inc.
9.6
CRITICAL CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
2.8
6.0
NIST

CWE ids for CVE-2022-41924

  • The product does not properly verify that the source of data or communication is valid.
    Assigned by:
    • nvd@nist.gov (Primary)
    • security-advisories@github.com (Secondary)
  • The web application does not, or can not, sufficiently verify whether a well-formed, valid, consistent request was intentionally provided by the user who submitted the request.
    Assigned by:
    • nvd@nist.gov (Primary)
    • security-advisories@github.com (Secondary)

References for CVE-2022-41924

Products affected by CVE-2022-41924

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