CVE Vulnerability

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 token or a Synapse random ID.

5 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 10 / Impact : 2.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact PARTIAL

Integrity Impact NONE

Availability Impact NONE

Scope

7.5 /10

CVSS v3.0 : HIGH

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

References
Link Resource
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
Configurations

Configuration 1

cpe:2.3:a:matrix:sydent:*:*:*:*:*:*:*:*
cpe:2.3:a:matrix:synapse:*:*:*:*:*:*:*:*
Information

Published : 2019-05-09 06:29

Updated : 2019-05-10 01:57

NVD link : CVE-2019-11842

Mitre link : CVE-2019-11842

Products Affected
No products.
CWE
CWE-338

Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG)