Risk | High |
Patch available | YES |
Number of vulnerabilities | 1 |
CVE-ID | CVE-2019-18835 |
CWE-ID | CWE-345 |
Exploitation vector | Network |
Public exploit | N/A |
Vulnerable software Subscribe |
Synapse Server applications / Conferencing, Collaboration and VoIP solutions |
Vendor | Matrix.org |
Security Bulletin
This security bulletin contains one high risk vulnerability.
EUVDB-ID: #VU22754
Risk: High
CVSSv3.1: 8.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2019-18835
CWE-ID:
CWE-345 - Insufficient Verification of Data Authenticity
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to compromise the affected system.
The vulnerability exists due to the affected software mishandles signature checking on some federation APIs. Events sent over /send_join
, /send_leave
, and /invite
may not be correctly signed, or may not come from expected hosts. A remote attacker can compromise the target system
Install updates from vendor's website.
Vulnerable software versionsSynapse: 0.0.1 - 1.5.0 rc1
External linkshttp://github.com/matrix-org/synapse/pull/6262
http://github.com/matrix-org/synapse/releases/tag/v1.5.0
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.