Vulnerability Details : 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.
Products affected by CVE-2019-11842
- cpe:2.3:a:matrix:sydent:*:*:*:*:*:*:*:*
- cpe:2.3:a:matrix:synapse:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2019-11842
0.17%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 53 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2019-11842
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
5.0
|
MEDIUM | AV:N/AC:L/Au:N/C:P/I:N/A:N |
10.0
|
2.9
|
NIST | |
|
7.5
|
HIGH | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
3.9
|
3.6
|
NIST |
CWE ids for CVE-2019-11842
-
The product uses a Pseudo-Random Number Generator (PRNG) in a security context, but the PRNG's algorithm is not cryptographically strong.Assigned by: nvd@nist.gov (Primary)
References for CVE-2019-11842
-
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/
Security updates: Sydent 1.0.3, Synapse 0.99.3.1 and Riot/Android 0.9.0 / 0.8.99 / 0.8.28a | Matrix.orgVendor Advisory
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