What is CVE-2018-10657?

CVE-2018-10657 is a high-severity vulnerability in Matrix Synapse, classified under Improper Input Validation. CVSS score: 7.5/10. Published 2018-05-02.

How severe is CVE-2018-10657?

High severity. CVSS v3 base score is 7.5 out of 10.

Improper input validation in Matrix Synapse

CVE-2018-10657

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 Ap…

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

EPSS: 0.015 (71.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Matrix Synapse
N/a — versions n/a

Weakness classification (CWE)

CWE-20 — Improper Input Validation

References

cve@mitre.org (x_refsource_CONFIRM, Vendor Advisory)
cve@mitre.org (x_refsource_CONFIRM, Patch)

Frequently asked questions

What is CVE-2018-10657?: CVE-2018-10657 is a high-severity vulnerability in Matrix Synapse, classified under Improper Input Validation. CVSS score: 7.5/10. Published 2018-05-02.
How severe is CVE-2018-10657?: High severity. CVSS v3 base score is 7.5 out of 10.