CVE-2018-20743: Input Validation
First published: Fri Jan 25 2019(Updated: )
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.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| debian/mumble | 1.3.0~git20190125.440b173+dfsg-2+deb10u1 1.3.4-1 1.3.4-4 | |
| Mumble Mumble | <=1.2.19 | |
| Debian Debian Linux | =8.0 | |
| Debian Debian Linux | =9.0 |
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Reference Links
- 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://security-tracker.debian.org/tracker/CVE-2018-20743
- 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://lists.debian.org/debian-lts-announce/2019/02/msg00006.html
- https://www.debian.org/security/2019/dsa-4402
Frequently Asked Questions
What is the vulnerability ID for this issue?
The vulnerability ID for this issue is CVE-2018-20743.
What is the title of this vulnerability?
The title of this vulnerability is 'murmur in Mumble through 1.2.19 before 2018-08-31 mishandles multiple concurrent requests'.
What is the severity level of CVE-2018-20743?
The severity level of CVE-2018-20743 is high, with a severity value of 7.5.
How does CVE-2018-20743 affect Mumble?
CVE-2018-20743 affects Mumble versions 1.2.19 before 2018-08-31.
How can remote attackers exploit CVE-2018-20743?
Remote attackers can exploit CVE-2018-20743 by causing a denial of service (daemon hang or crash) through a message flood.
- collector/security-tracker-debian
- collector/nvd-index
- agent/references
- agent/type
- collector/mitre-cve
- source/MITRE
- agent/last-modified-date
- agent/weakness
- agent/remedy
- agent/author
- agent/severity
- agent/tags
- agent/first-publish-date
- agent/softwarecombine
- agent/event
- agent/description
- package-manager/debian
- vendor/mumble
- canonical/mumble mumble
- version/mumble mumble/1.2.19
- vendor/debian
- canonical/debian debian linux
- version/debian debian linux/8.0
- version/debian debian linux/9.0