CVE-2022-41925
Tailscale DNS Rebinding Vulnerability (Environment Variable Access)
Description
A vulnerability identified in the Tailscale client allows a malicious website to access the peer API, which can then be used to access Tailscale environment variables. In the Tailscale client, the peer API was vulnerable to DNS rebinding. This allowed an attacker-controlled website visited by the node to rebind DNS for the peer API to an attacker-controlled DNS server, and then making peer API requests in the client, including accessing the node’s Tailscale environment variables. An attacker with access to the peer API on a node could use that access to read the node’s environment variables, including any credentials or secrets stored in environment variables. This may include Tailscale authentication keys, which could then be used to add new nodes to the user’s tailnet. The peer API access could also be used to learn of other nodes in the tailnet or send files via Taildrop. All Tailscale clients prior to version v1.32.3 are affected. Upgrade to v1.32.3 or later to remediate the issue.
INFO
Published Date :
Nov. 23, 2022, 7:15 p.m.
Last Modified :
Nov. 21, 2024, 7:24 a.m.
Source :
[email protected]
Remotely Exploitable :
No
Impact Score :
6.0
Exploitability Score :
2.1
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-2022-41925.
| URL | Resource |
|---|---|
| https://emily.id.au/tailscale | Exploit Technical Description Third Party Advisory |
| https://github.com/tailscale/tailscale/security/advisories/GHSA-qccm-wmcq-pwr6 | Third Party Advisory |
| https://tailscale.com/security-bulletins/#ts-2022-005 | Vendor Advisory |
| https://emily.id.au/tailscale | Exploit Technical Description Third Party Advisory |
| https://github.com/tailscale/tailscale/security/advisories/GHSA-qccm-wmcq-pwr6 | Third Party Advisory |
| https://tailscale.com/security-bulletins/#ts-2022-005 | Vendor 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).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2022-41925 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2022-41925 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.
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CVE Modified by af854a3a-2127-422b-91ae-364da2661108
Nov. 21, 2024
Action Type Old Value New Value Added Reference https://emily.id.au/tailscale Added Reference https://github.com/tailscale/tailscale/security/advisories/GHSA-qccm-wmcq-pwr6 Added Reference https://tailscale.com/security-bulletins/#ts-2022-005 -
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
Initial Analysis by [email protected]
Dec. 01, 2022
Action Type Old Value New Value Added CVSS V3.1 NIST AV:A/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H Changed Reference Type https://emily.id.au/tailscale No Types Assigned https://emily.id.au/tailscale Exploit, Technical Description, Third Party Advisory Changed Reference Type https://github.com/tailscale/tailscale/security/advisories/GHSA-qccm-wmcq-pwr6 No Types Assigned https://github.com/tailscale/tailscale/security/advisories/GHSA-qccm-wmcq-pwr6 Third Party Advisory Changed Reference Type https://tailscale.com/security-bulletins/#ts-2022-005 No Types Assigned https://tailscale.com/security-bulletins/#ts-2022-005 Vendor Advisory Added CPE Configuration OR *cpe:2.3:a:tailscale:tailscale:*:*:*:*:*:*:*:* versions up to (excluding) 1.32.3
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2022-41925 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-2022-41925
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.05 }} -0.01%
score
0.23599
percentile