CVE-2018-10657
Published: 2 May 2018
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.
Notes
| Author | Note |
|---|---|
| leosilva | code is quite different in bionic and artful versus patch. |
Priority
Status
| Package | Release | Status |
|---|---|---|
|
matrix-synapse Launchpad, Ubuntu, Debian |
cosmic |
Released
(0.28.1+dfsg-1)
|
| disco |
Released
(0.28.1+dfsg-1)
|
|
| eoan |
Released
(0.28.1+dfsg-1)
|
|
| focal |
Released
(0.28.1+dfsg-1)
|
|
| groovy |
Released
(0.28.1+dfsg-1)
|
|
| hirsute |
Released
(0.28.1+dfsg-1)
|
|
| artful |
Ignored
(end of life)
|
|
| bionic |
Released
(0.24.0+dfsg-1ubuntu0.1~esm1)
Available with Ubuntu Pro |
|
| impish |
Released
(0.28.1+dfsg-1)
|
|
| jammy |
Released
(0.28.1+dfsg-1)
|
|
| kinetic |
Released
(0.28.1+dfsg-1)
|
|
| lunar |
Released
(0.28.1+dfsg-1)
|
|
| trusty |
Does not exist
|
|
| upstream |
Released
(0.28.1+dfsg-1)
|
|
| xenial |
Does not exist
|
|
|
Patches: upstream: https://github.com/matrix-org/synapse/commit/33f469ba19586bbafa0cf2c7d7c35463bdab87eb |
||
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 | None |
| Availability impact | High |
| Vector | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
References
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-10657
- https://github.com/matrix-org/synapse/commit/33f469ba19586bbafa0cf2c7d7c35463bdab87eb
- https://matrix.org/blog/2018/05/01/security-update-synapse-0-28-1/
- https://docs.google.com/document/d/1I3fi2S-XnpO45qrpCsowZv8P8dHcNZ4fsBsbOW7KABI/edit#heading=h.fj95ykuss7s1
- https://ubuntu.com/security/notices/USN-6076-1
- NVD
- Launchpad
- Debian