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CVE-2019-11842

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 tok...

Published: May 9, 2019Updated: Nov 21, 2024 Sources: CVE List NVD GHSACWE-338
7.5HIGH
NVD MITRE
EPSS Score
1.8%
Top 23.9%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available
Self-Check
OpenVAS

Description

matrix-sydent and matrix-synapse Use Cryptographically Weak PRNG

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:HI:NA:N
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:NIntegrity
None
A:NAvailability
None
Open in CVSS calculator →

Weaknesses

CWE-338

Affected Products

PyPI
package-ecosystem
matrix-sydent
OSS Libraries
matrix-synapse
OSS Libraries
matrix
oss-project·GBaka synapse, matrix irc bridge, javascript sdk
sydentOn-prem
Communications / messaging-chat
synapseOn-premWeb App
Communications / messaging-chat
and 1 more affected products View all →

Exploitability

Official Patch Available
Is your org exposed to CVE-2019-11842?We can run the check for you — a free external exposure review, no install. Check my exposure

References

https://nvd.nist.gov/vuln/detail/CVE-2019-11842
nvd.nist.gov
https://github.com/advisories/GHSA-gwf7-vfjf-wf6x
github.com
https://github.com/pypa/advisory-database/tree/main/vulns/matrix-synapse/PYSEC-2019-185.yaml
github.com
and 2 more references View all →

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