Vulnerability Details : 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.
Vulnerability category: Input validationDenial of service
Products affected by CVE-2018-20743
- cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
- cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
- cpe:2.3:a:mumble:mumble:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2018-20743
2.07%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 89 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2018-20743
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
5.0
|
MEDIUM | AV:N/AC:L/Au:N/C:N/I:N/A:P |
10.0
|
2.9
|
NIST | |
|
7.5
|
HIGH | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
3.9
|
3.6
|
NIST |
CWE ids for CVE-2018-20743
-
The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.Assigned by: nvd@nist.gov (Primary)
References for CVE-2018-20743
-
https://github.com/mumble-voip/mumble/issues/3505
Rate limiting · Issue #3505 · mumble-voip/mumble · GitHubPatch;Third Party Advisory
-
https://lists.debian.org/debian-lts-announce/2019/02/msg00006.html
[SECURITY] [DLA 1661-1] mumble security updateThird Party Advisory
-
http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00058.html
[security-announce] openSUSE-SU-2020:0137-1: moderate: Security update f
-
https://github.com/mumble-voip/mumble/pull/3512
Lower bucket params by tu-maurice · Pull Request #3512 · mumble-voip/mumble · GitHubPatch;Third Party Advisory
-
https://github.com/mumble-voip/mumble/pull/3510
Prevent instability and crash due to message flood by tu-maurice · Pull Request #3510 · mumble-voip/mumble · GitHubPatch;Third Party Advisory
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https://www.debian.org/security/2019/dsa-4402
Debian -- Security Information -- DSA-4402-1 mumbleThird Party Advisory
-
http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00023.html
[security-announce] openSUSE-SU-2019:1876-1: moderate: Security update f
-
http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00045.html
[security-announce] openSUSE-SU-2019:1794-1: moderate: Security update f
-
https://bugs.debian.org/919249
#919249 - mumble: CVE-2018-20743: instability and crash due to crafted message flooding - Debian Bug report logsIssue Tracking;Mailing List;Third Party Advisory
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