Vulnerability Monitor

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CVE-2018-12423

In Synapse before 0.31.2, unauthorised users can hijack rooms when there is no m.room.power_levels event in force.

Published

2018-06-14T21:29:00.253

Last Modified

2024-11-21T03:45:11.783

Status

Modified

Source

[email protected]

Severity

CVSSv3.0: 7.5 (HIGH)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:N/I:P/A:N

Access Vector: NETWORK
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: NONE
Integrity Impact: PARTIAL
Availability Impact: NONE

Exploitability Score

10.0

Impact Score

2.9

Weaknesses

Type: Primary
NVD-CWE-noinfo

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	matrix	synapse	< 0.31.2	Yes

References

https://bugs.debian.org/901549 Mailing List, Third Party Advisory ([email protected])
https://github.com/matrix-org/matrix-doc/issues/1304 Third Party Advisory ([email protected])
https://matrix.org/blog/2018/06/14/security-update-synapse-0-31-2/ Vendor Advisory ([email protected])
https://bugs.debian.org/901549 Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://github.com/matrix-org/matrix-doc/issues/1304 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://matrix.org/blog/2018/06/14/security-update-synapse-0-31-2/ Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)