Bug 1670224 (CVE-2018-20743) - CVE-2018-20743 mumble: instability and crash due to message flood
Summary: CVE-2018-20743 mumble: instability and crash due to message flood
Keywords:
Status: CLOSED UPSTREAM
Alias: CVE-2018-20743
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
high
high
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 1670225
Blocks:
TreeView+ depends on / blocked
 
Reported: 2019-01-28 23:57 UTC by Laura Pardo
Modified: 2020-04-24 18:55 UTC (History)
4 users (show)

Fixed In Version:
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Clone Of:
Environment:
Last Closed: 2019-06-10 10:46:36 UTC


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Description Laura Pardo 2019-01-28 23:57:02 UTC
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.


References:
https://bugs.debian.org/919249
https://github.com/mumble-voip/mumble/issues/3505

Upstream Patch:
https://github.com/mumble-voip/mumble/pull/3510
https://github.com/mumble-voip/mumble/pull/3512

Comment 1 Laura Pardo 2019-01-28 23:58:17 UTC
Created mumble tracking bugs for this issue:

Affects: fedora-all [bug 1670225]

Comment 2 Product Security DevOps Team 2019-06-10 10:46:36 UTC
This CVE Bugzilla entry is for community support informational purposes only as it does not affect a package in a commercially supported Red Hat product. Refer to the dependent bugs for status of those individual community products.


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