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CVE-2018-10657

UnknownEPSS 1.51%

Last modified

CVE-2018-10657 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 1.51% chance of exploitation in the next 30 days.

Description

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.

Metrics

EPSS Probability
1.51%

71.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
MatrixSynapse< 0.28.1

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is 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 April 2018.
How severe is CVE-2018-10657?
Severity scoring for CVE-2018-10657 is pending analysis. The EPSS model estimates a 1.51% probability of exploitation in the next 30 days.
How do I fix CVE-2018-10657?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2018-10657?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST