CVE-2019-11842

Description

An issue was discovered in Matrix Sydent before 1.0.3 and Synapse before 0.99.3.1. Random number generation is mishandled, which makes it easier for attackers to predict a Sydent authentication token or a Synapse random ID.

Category

7.5
CVSS
Severity: High
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.53%
Vendor Advisory matrix.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://matrix.org/blog/2019/05/03/security-updates-sydent-1-0-3-synapse-0-99-3-1-and-riot-android-0-9-0-0-8-99-0-8-28-a/ vendor advisory

Frequently Asked Questions

What is the severity of CVE-2019-11842?
CVE-2019-11842 has been scored as a high severity vulnerability.
How to fix CVE-2019-11842?
To fix CVE-2019-11842, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2019-11842 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2019-11842 is being actively exploited. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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