CVE-2018-20743

moderate-risk

Published 2019-01-25

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.

Do I need to act?

7.1% chance of exploitation in next 30 days

EPSS score — moderate exploit probability

Not on CISA KEV list

No confirmed active exploitation reported to CISA

Patch status unknown

Check vendor advisories for fix availability and mitigation guidance

CVSS 7.5/10 High

NETWORK / LOW complexity

Affected Products (3)

Mumble

Debian Linux

Affected Vendors

Debian Mumble

References (18)

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

Issue Tracking https://bugs.debian.org/919249

Patch https://github.com/mumble-voip/mumble/issues/3505

Patch https://github.com/mumble-voip/mumble/pull/3510

Patch https://github.com/mumble-voip/mumble/pull/3512

Third Party Advisory https://lists.debian.org/debian-lts-announce/2019/02/msg00006.html

Third Party Advisory https://www.debian.org/security/2019/dsa-4402