CVE-2018-12423
Published: 14 June 2018
In Synapse before 0.31.2, unauthorised users can hijack rooms when there is no m.room.power_levels event in force.
Priority
Status
Package | Release | Status |
---|---|---|
matrix-synapse Launchpad, Ubuntu, Debian |
artful |
Ignored
(reached end-of-life)
|
bionic |
Released
(0.24.0+dfsg-1ubuntu0.1~esm1)
|
|
cosmic |
Not vulnerable
(0.31.2+dfsg-1)
|
|
disco |
Not vulnerable
(0.31.2+dfsg-1)
|
|
eoan |
Not vulnerable
(0.31.2+dfsg-1)
|
|
focal |
Not vulnerable
(0.31.2+dfsg-1)
|
|
groovy |
Not vulnerable
(0.31.2+dfsg-1)
|
|
hirsute |
Not vulnerable
(0.31.2+dfsg-1)
|
|
impish |
Not vulnerable
(0.31.2+dfsg-1)
|
|
jammy |
Not vulnerable
(0.31.2+dfsg-1)
|
|
kinetic |
Not vulnerable
(0.31.2+dfsg-1)
|
|
lunar |
Not vulnerable
(0.31.2+dfsg-1)
|
|
trusty |
Does not exist
|
|
upstream |
Released
(0.31.2+dfsg-1)
|
|
xenial |
Does not exist
|
Severity score breakdown
Parameter | Value |
---|---|
Base score | 7.5 |
Attack vector | Network |
Attack complexity | Low |
Privileges required | None |
User interaction | None |
Scope | Unchanged |
Confidentiality | None |
Integrity impact | High |
Availability impact | None |
Vector | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N |
References
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-12423
- https://github.com/matrix-org/synapse/pull/3397
- https://bugs.debian.org/901549
- https://github.com/matrix-org/matrix-doc/issues/1304
- https://matrix.org/blog/2018/06/14/security-update-synapse-0-31-2/
- https://ubuntu.com/security/notices/USN-6076-1
- NVD
- Launchpad
- Debian