CVE Vulnerabilities

CVE-2020-13775

NULL Pointer Dereference

Published: Jun 02, 2020 | Modified: Nov 07, 2023
CVSS 3.x
6.5
MEDIUM
Source:
NVD
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CVSS 2.x
3.5 LOW
AV:N/AC:M/Au:S/C:N/I:N/A:P
RedHat/V2
RedHat/V3
Ubuntu

ZNC 1.8.0 up to 1.8.1-rc1 allows authenticated users to trigger an application crash (with a NULL pointer dereference) if echo-message is not enabled and there is no network.

Weakness

A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit.

Affected Software

Name Vendor Start Version End Version
Znc Znc 1.8.0 (including) 1.8.0 (including)

Potential Mitigations

References