Vulnerability Details : CVE-2018-16515
Matrix Synapse before 0.33.3.1 allows remote attackers to spoof events and possibly have unspecified other impacts by leveraging improper transaction and event signature validation.
Products affected by CVE-2018-16515
- cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
- cpe:2.3:a:matrix:synapse:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2018-16515
0.57%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 66 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2018-16515
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
6.5
|
MEDIUM | AV:N/AC:L/Au:S/C:P/I:P/A:P |
8.0
|
6.4
|
NIST | |
|
8.8
|
HIGH | CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
2.8
|
5.9
|
NIST |
CWE ids for CVE-2018-16515
-
The product does not verify, or incorrectly verifies, the cryptographic signature for data.Assigned by: nvd@nist.gov (Primary)
References for CVE-2018-16515
-
https://matrix.org/blog/2018/09/06/critical-security-update-synapse-0-33-3-1/
Critical Security Update: Synapse 0.33.3.1 | Matrix.orgVendor Advisory
-
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/IRW7YR2H3ASUSYX4AO4KMY3FNVDNYW3P/
[SECURITY] Fedora 28 Update: matrix-synapse-0.33.3.1-1.fc28 - package-announce - Fedora Mailing-ListsThird Party Advisory
-
https://github.com/matrix-org/synapse/issues/3796#event-1833126269
Failures to correctly validate signatures on transactions and events [CVE-2018-16515] · Issue #3796 · matrix-org/synapse · GitHubPatch;Third Party Advisory
Jump to