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 |
hirsute |
Not vulnerable
(0.31.2+dfsg-1)
|
| artful |
Ignored
(end of life)
|
|
| bionic |
Released
(0.24.0+dfsg-1ubuntu0.1~esm1)
Available with Ubuntu Pro |
|
| 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)
|
|
| 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