Riskcovery

CVE-2025-4727

Meteor livedata_server.js Object.assign redos

State
Published
Severity
6.3 Medium
Published
May 15, 2025
Updated
May 16, 2025
Reserved
May 15, 2025

Read the record on cve.org

Description

A vulnerability was found in Meteor up to 3.2.1 and classified as problematic. This issue affects the function Object.assign of the file packages/ddp-server/livedata_server.js. The manipulation of the argument forwardedFor leads to inefficient regular expression complexity. The attack may be initiated remotely. The complexity of an attack is rather high. The exploitation is known to be difficult. The exploit has been disclosed to the public and may be used. Upgrading to version 3.2.2 is able to address this issue. The identifier of the patch is f7ea6817b90952baaea9baace2a3b4366fee6a63. It is recommended to upgrade the affected component.

Scores

CVSSScoreVectorSource
4.06.3 MediumCVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:NVulDB
3.13.7 LowCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:LVulDB
3.03.7 LowCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:LVulDB
2.02.6 LowAV:N/AC:H/Au:N/C:N/I:N/A:PVulDB

Weaknesses

  • CWE-1333 Inefficient Regular Expression Complexity
  • CWE-400 Resource Consumption

Affected Products

ProductVersions
Meteorn/a
  • 3.2.0Affected
  • 3.2.1Affected

References

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