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THREATINT
PUBLISHED

CVE-2025-5892

RocketChat parseMessage.js parseMessage redos



Description

EN DE

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.

Reserved 2025-06-09 | Published 2025-06-09 | Updated 2025-06-09 | Assigner VulDB


MEDIUM: 5.3CVSS: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
MEDIUM: 4.3CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:T/RC:R
MEDIUM: 4.3CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:T/RC:R
4.0AV:N/AC:L/Au:S/C:N/I:N/A:P/E:POC/RL:TF/RC:UR

Problem types

Inefficient Regular Expression Complexity

Resource Consumption

Timeline

2025-06-09:Advisory disclosed
2025-06-09:VulDB entry created
2025-06-09:VulDB entry last update

Credits

mmmsssttt (VulDB User) reporter

References

vuldb.com/?id.311663 (VDB-311663 | RocketChat parseMessage.js parseMessage redos) vdb-entry technical-description

vuldb.com/?ctiid.311663 (VDB-311663 | CTI Indicators (IOB, IOC, TTP, IOA)) signature permissions-required

vuldb.com/?submit.585751 (Submit #585751 | @rocket.chat 7.6.1 Inefficient Regular Expression Complexity) third-party-advisory

github.com/RocketChat/Rocket.Chat/pull/35711 issue-tracking

gist.github.com/...ssttt404/0fcda3b3e85edafc4eaa6816aa252deb exploit

cve.org (CVE-2025-5892)

nvd.nist.gov (CVE-2025-5892)

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