Allocation of Resources Without Limits or Throttling Affecting matrix-synapse package, versions [,1.94.0rc1)


Severity

Recommended
0.0
medium
0
10

CVSS assessment made by Snyk's Security Team

    Threat Intelligence

    EPSS
    0.25% (66th percentile)

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  • Snyk ID SNYK-PYTHON-MATRIXSYNAPSE-5958914
  • published 16 Oct 2023
  • disclosed 10 Oct 2023
  • credit Unknown

How to fix?

Upgrade matrix-synapse to version 1.94.0rc1 or higher.

Overview

matrix-synapse is an ecosystem for open federated Instant Messaging and VoIP.

Affected versions of this package are vulnerable to Allocation of Resources Without Limits or Throttling via the ACL event. An attacker can cause a denial of service by sending a malicious ACL event.

CVSS Scores

version 3.1
Expand this section

Snyk

Recommended
4.9 medium
  • Attack Vector (AV)
    Network
  • Attack Complexity (AC)
    Low
  • Privileges Required (PR)
    High
  • User Interaction (UI)
    None
  • Scope (S)
    Unchanged
  • Confidentiality (C)
    None
  • Integrity (I)
    None
  • Availability (A)
    High
Expand this section

NVD

4.9 medium