Input validation error in Zulip Server - CVE-2021-41115

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Main Vulnerability Database Vulnerabilities #VU57054

Input validation error in Zulip Server - CVE-2021-41115

Published: October 5, 2021


Vulnerability identifier: #VU57054
CSH Severity: Low
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2021-41115
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
Zulip Server
Software vendor:
Zulip

Description

The vulnerability allows a remote user to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation of user-supplied input within linkifier patterns. A remote administrator can pass specially crafted input to the application and perform a denial of service (DoS) attack.


Remediation

Install updates from vendor's website.

External links