Resource exhaustion in Etherpad - #VU50971
Published: February 26, 2021
Vulnerability identifier: #VU50971
CSH Severity: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: N/A
CWE-ID: CWE-400
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Etherpad
Etherpad
Software vendor:
The Etherpad Foundation
The Etherpad Foundation
Description
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to application does not properly control consumption of internal resources when processing regular expressions. A remote attacker can send specially crafted data to the application and perform regular expression denial of service (ReDoS) attack.
Remediation
Install updates from vendor's website.