CVE-2018-20743 Information

Description

murmur in Mumble through 1.2.19 before 2018-08-31 mishandles multiple concurrent requests that are persisted in the database which allows remote attackers to cause a denial of service (daemon hang or crash) via a message flood.

CVSS Vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Reference

http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00045.html http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00023.html http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00058.html https://bugs.debian.org/919249 https://github.com/mumble-voip/mumble/issues/3505 https://github.com/mumble-voip/mumble/pull/3510 https://github.com/mumble-voip/mumble/pull/3512 https://lists.debian.org/debian-lts-announce/2019/02/msg00006.html https://www.debian.org/security/2019/dsa-4402

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

7.5