Bug 1574779 (CVE-2018-10657) - CVE-2018-10657 matrix-synapse: Injection of malicious events with a depth size of 2^63-1 can cause a denial of service to making rooms unusable
Summary: CVE-2018-10657 matrix-synapse: Injection of malicious events with a depth siz...
Keywords:
Status: CLOSED UPSTREAM
Alias: CVE-2018-10657
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 1574780
Blocks:
TreeView+ depends on / blocked
 
Reported: 2018-05-04 02:52 UTC by Sam Fowler
Modified: 2021-02-17 00:23 UTC (History)
1 user (show)

Fixed In Version: matrix-synapse 0.28.1
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Environment:
Last Closed: 2019-06-10 10:21:10 UTC
Embargoed:

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Description Sam Fowler 2018-05-04 02:52:12 UTC 
Matrix Synapse before 0.28.1 is prone to a denial of service flaw where malicious events injected with depth = 2^63 - 1 render rooms unusable, related to federation/federation_base.py and handlers/message.py, as exploited in the wild in April 2018.


External Reference:

https://matrix.org/blog/2018/05/01/security-update-synapse-0-28-1/


Upstream Patch:

https://github.com/matrix-org/synapse/commit/33f469ba19586bbafa0cf2c7d7c35463bdab87eb
Comment 1 Sam Fowler 2018-05-04 02:52:32 UTC 
Created matrix-synapse tracking bugs for this issue:

Affects: fedora-all [bug 1574780]
Comment 2 Product Security DevOps Team 2019-06-10 10:21:10 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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