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CVE-2019-11842

High

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.

SeverityHigh
CVSS7.5
Exploit probability—
ProductMatrix Sydent
PublishedMay 9, 2019
First seenMay 9, 2019

How to fix

Update
  • matrix sydent1.0.3 or later
  • matrix synapse0.99.3.1 or later
  • matrix-sydent1.0.3 or later
  • matrix-synapse0.99.3.1 or later

Affected products

ProductAffected versionsFixed in
matrix sydentv < 1.0.31.0.3
matrix synapsev < 0.99.3.10.99.3.1
matrix-sydentPyPIv < 1.0.31.0.3
matrix-synapsePyPIv < 0.99.3.10.99.3.1

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