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CVE-2025-5892: RocketChat parseMessage.js parseMessage redos

5.3 CVSS

Description

A vulnerability, which was classified as problematic, has been found in RocketChat up to 7.6.1. This issue affects the function parseMessage of the file /apps/meteor/app/irc/server/servers/RFC2813/parseMessage.js. The manipulation of the argument line leads to inefficient regular expression complexity. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used. Eine Schwachstelle wurde in RocketChat bis 7.6.1 entdeckt. Sie wurde als problematisch eingestuft. Betroffen davon ist die Funktion parseMessage der Datei /apps/meteor/app/irc/server/servers/RFC2813/parseMessage.js. Dank der Manipulation des Arguments line mit unbekannten Daten kann eine inefficient regular expression complexity-Schwachstelle ausgenutzt werden. Die Umsetzung des Angriffs kann dabei über das Netzwerk erfolgen. Der Exploit steht zur öffentlichen Verfügung.

Classification

CVE ID: CVE-2025-5892

CVSS Base Severity: MEDIUM

CVSS Base Score: 5.3

CVSS Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P

Problem Types

Inefficient Regular Expression Complexity Resource Consumption

Affected Products

Vendor: n/a

Product: RocketChat

Exploit Prediction Scoring System (EPSS)

EPSS Score: 0.04% (probability of being exploited)

EPSS Percentile: 11.19% (scored less or equal to compared to others)

EPSS Date: 2025-06-14 (when was this score calculated)

Stakeholder-Specific Vulnerability Categorization (SSVC)

SSVC Exploitation: poc

SSVC Technical Impact: partial

SSVC Automatable: false

References

https://nvd.nist.gov/vuln/detail/CVE-2025-5892
https://vuldb.com/?id.311663
https://vuldb.com/?ctiid.311663
https://vuldb.com/?submit.585751
https://github.com/RocketChat/Rocket.Chat/pull/35711
https://gist.github.com/mmmsssttt404/0fcda3b3e85edafc4eaa6816aa252deb

Timeline