Vulnerability Report

CVE-2018-20743

Title: Mumble Denial of Service (DoS)

Denial of Service (DoS)

Proof Of Concept

No public PoC currently indexed for CVE-2018-20743.

CWE Category CWE-20
Published Date Jan 25, 2019
Modified Date Nov 21, 2024
Exploit Status Not Found
Score 7.5 CVSS v3.0
Exploit Probability (EPSS)
7.13%

Vulnerability Summary

CVE-2018-20743: 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.

Impacted Vendors

L
light_speed_gaming 1
M
mumble 1

Reference Links

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 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
CVSS v3.0
Source Entity [email protected]
Severity HIGH
7.5
Attack Vector
NETWORK
Complexity
LOW
Privileges
N/A
Interaction
NONE
Confidentiality
N/A
Integrity
N/A
Availability
N/A
Scope
UNCHANGED
RAW VECTOR CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS v2.0
Source Entity [email protected]
Severity MEDIUM
5.0
Access Vector
N/A
Authentication
N/A
RAW VECTOR AV:N/AC:L/Au:N/C:N/I:N/A:P

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2018-20743 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

MODIFIED

Vulnerability data or affected products updated.

PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector NETWORK
Complexity LOW
Privileges N/A
Interaction NONE
CVSS Vector String CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected Stack

No specific products linked.