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GHSA-p8f7-22gq-m7j9 CVE-2022-42975

Phoenix before 1.6.14 mishandles check_origin wildcarding

High Hex
Severity
7.5 / 10
High · CVSS 3.1
Exploit chance (EPSS)
0.62%
Chance of exploitation in the next 30 days. Higher than 49.95% of scored vulnerabilities.
Known exploited
No
Not in CISA's catalog
Weakness
CWE-346 Origin Validation Error
CWE-863 Incorrect Authorization
Fix
1.6.14
Upgrade phoenix to this version or later

Description

socket/transport.ex in Phoenix before 1.6.14 mishandles check_origin wildcarding. NOTE: LiveView applications are unaffected by default because of the presence of a LiveView CSRF token.

Affected versions

Hex

PackageVulnerableFixed in
phoenix
< 1.6.14
1.6.14

How to fix

Move to the fixed version or later with your package manager, update the lockfile, and run your tests. If the package only arrives through another dependency, upgrade that dependency first. If none of its releases pulls a fixed version yet, force the version with your package manager's override.

phoenix Hex → 1.6.14

mix
{:phoenix, "~> 1.6.14"} # then: mix deps.update phoenix

Severity breakdown

CVSS 3.1 7.5

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

Attack vector
Network
Attack complexity
Low
Privileges required
None
User interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
High
Availability
None

Weakness

CWE-346: Origin Validation Error

The product does not properly verify that the source of data or communication is valid.

CWE-863: Incorrect Authorization

The product performs an authorization check when an actor attempts to access a resource or perform an action, but it does not correctly perform the check.

How to prevent it
  • Architecture and Design: Divide the product into anonymous, normal, privileged, and administrative areas. Reduce the attack surface by carefully mapping roles with data and functionality. Use role-based access control (RBAC) [REF-229] to enforce the roles at the appropriate boundaries. Note that this approach may not protect against horizontal authorization, i.e., it will not protect a user from attacking others with the same role.
  • Architecture and Design: Ensure that access control checks are performed related to the business logic. These checks may be different than the access control checks that are applied to more generic resources such as files, connections, processes, memory, and database records. For example, a database may restrict access for medical records to a specific database user, but each record might only be intended to be accessible to the patient and the patient's doctor [REF-7].
  • Architecture and Design: Use a vetted library or framework that does not allow this weakness to occur or provides constructs that make this weakness easier to avoid. For example, consider using authorization frameworks such as the JAAS Authorization Framework [REF-233] and the OWASP ESAPI Access Control feature [REF-45].
  • Architecture and Design: For web applications, make sure that the access control mechanism is enforced correctly at the server side on every page. Users should not be able to access any unauthorized functionality or information by simply requesting direct access to that page. One way to do this is to ensure that all pages containing sensitive information are not cached, and that all such pages restrict access to requests that are accompanied by an active and authenticated session token associated with a user who has the required permissions to access that page.
  • System Configuration, Installation: Use the access control capabilities of your operating system and server environment and define your access control lists accordingly. Use a "default deny" policy when defining these ACLs.

References

Timeline

  1. Published
  2. Last updated by the source
  3. Latest EPSS score
AdvisorySeverityWhy it's related
EEF-CVE-2026-56812
Phoenix JavaScript presence client crashes on presence keys colliding with Object.prototype members in Presence.syncState/syncDiff
High Also affects phoenix
GHSA-6983-jfq8-485w
Phoenix transports do not limit channel joins per connection, enabling process-exhaustion denial of service
High Also affects phoenix
GHSA-628h-q48j-jr6q
Long-poll NDJSON body splitting causes unbounded memory allocation in Phoenix
High Also affects phoenix
GHSA-cmfh-8f8r-fj96
Phoenix Arbitrary URL Redirect
Medium Also affects phoenix
GHSA-997q-gvvc-jwmx
Electron: openExternal permission requests can be attributed to the wrong origin
Medium Same weakness, CWE-346
GHSA-fw47-9c62-h3vw
Electron: HID and USB permission checks can be attributed to the wrong origin
Medium Same weakness, CWE-346
GHSA-x562-297c-g43g
Electron: Pointer lock permission requests can be attributed to the wrong frame
Medium Same weakness, CWE-346
GHSA-xcx6-jx8p-x3h5
MSAL Node authorization code flow may disclose parameters to an attacker-controlled endpoint
Medium Same weakness, CWE-346
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