CVE-2021-32832

Public Exploit
ReDOS in Rocket.Chat

Description

Rocket.Chat is an open-source fully customizable communications platform developed in JavaScript. In Rocket.Chat before versions 3.11.3, 3.12.2, and 3.13 an issue with certain regular expressions could lead potentially to Denial of Service. This was fixed in versions 3.11.3, 3.12.2, and 3.13.

Category

4.3
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.75% Top 30%
Vendor Advisory rocket.chat
Affected: RocketChat Rocket.Chat
Published at:
Updated at:

References

Link Tags
https://docs.rocket.chat/guides/security/security-updates vendor advisory
https://securitylab.github.com/advisories/GHSL-2020-310-redos-Rocket.Chat/ third party advisory exploit
https://github.com/RocketChat/Rocket.Chat/releases/tag/3.11.3 third party advisory release notes
https://github.com/RocketChat/Rocket.Chat/commit/4a0dce973e37ec3f56ca2231d6030511dbdd094c third party advisory patch

Frequently Asked Questions

What is the severity of CVE-2021-32832?
CVE-2021-32832 has been scored as a medium severity vulnerability.
How to fix CVE-2021-32832?
To fix CVE-2021-32832, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-32832 being actively exploited in the wild?
It is possible that CVE-2021-32832 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-32832?
CVE-2021-32832 affects RocketChat Rocket.Chat.
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