CVE-2021-27229 : Mumble before 1.3.4 allows remote code execution if a victim navigates to a craf

Mumble before 1.3.4 allows remote code execution if a victim navigates to a crafted URL on a server list and clicks on the Open Webpage text.

Published 2021-02-16 04:15:13

Updated 2022-05-06 21:00:07

Source MITRE

View at NVD, CVE.org

Vulnerability category: Execute code

Products affected by CVE-2021-27229

Debian » Debian Linux » Version: 9.0
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
Matching versions
Mumble » Mumble
Versions before (<) 1.3.4
cpe:2.3:a:mumble:mumble:*:*:*:*:*:*:*:*
Matching versions

EPSS FAQ

2.60%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 85 %

Percentile, the proportion of vulnerabilities that are scored at or less

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
6.8	MEDIUM	AV:N/AC:M/Au:N/C:P/I:P/A:P	8.6	6.4	NIST
Access Vector: Network Access Complexity: Medium Authentication: None Confidentiality Impact: Partial Integrity Impact: Partial Availability Impact: Partial
8.8	HIGH	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H	2.8	5.9	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: Required Scope: Unchanged Confidentiality: High Integrity: High Availability: High

CWE-59 Improper Link Resolution Before File Access ('Link Following')

The product attempts to access a file based on the filename, but it does not properly prevent that filename from identifying a link or shortcut that resolves to an unintended resource.

Assigned by: nvd@nist.gov (Primary)

https://github.com/mumble-voip/mumble/compare/1.3.3...1.3.4

Comparing 1.3.3...1.3.4 · mumble-voip/mumble · GitHub
Patch;Third Party Advisory
https://security.gentoo.org/glsa/202105-13

Mumble: User-assisted execution of arbitrary code (GLSA 202105-13) — Gentoo security
Third Party Advisory
https://lists.debian.org/debian-lts-announce/2021/02/msg00022.html

[SECURITY] [DLA 2562-1] mumble security update
Mailing List;Third Party Advisory
https://github.com/mumble-voip/mumble/pull/4733

FIX(client): Only allow "http" and "https" schemes in ConnectDialog for web page by davidebeatrici · Pull Request #4733 · mumble-voip/mumble · GitHub
Patch;Third Party Advisory
https://github.com/mumble-voip/mumble/commit/e59ee87abe249f345908c7d568f6879d16bfd648

FIX(client): Only allow "http"/"https" for URLs in ConnectDialog · mumble-voip/mumble@e59ee87 · GitHub
Patch;Third Party Advisory

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