CVE-2019-20918 Information

Description

An issue was discovered in InspIRCd 3 before 3.1.0. The silence module contains a use after free vulnerability. This vulnerability can be used for remote crashing of an InspIRCd server by any user able to fully connect to a server.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Reference

https://docs.inspircd.org/security/2019-01/ https://github.com/inspircd/inspircd/commit/7b47de3c194f239c5fea09a0e49696c9af017d51 https://github.com/inspircd/inspircd/commit/bcd65de1ec4bb71591ae417fee649d7ecd37cd57

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

6.5