CVE-2019-11842
Published: 9 May 2019
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.
Priority
Status
Package | Release | Status |
---|---|---|
matrix-synapse Launchpad, Ubuntu, Debian |
bionic |
Released
(0.24.0+dfsg-1ubuntu0.1~esm1)
Available with Ubuntu Pro |
groovy |
Not vulnerable
(0.99.2-5)
|
|
hirsute |
Not vulnerable
(0.99.2-5)
|
|
impish |
Not vulnerable
(0.99.2-5)
|
|
jammy |
Not vulnerable
(0.99.2-5)
|
|
cosmic |
Ignored
(end of life)
|
|
disco |
Ignored
(end of life)
|
|
eoan |
Not vulnerable
(0.99.2-5)
|
|
focal |
Not vulnerable
(0.99.2-5)
|
|
kinetic |
Not vulnerable
(0.99.2-5)
|
|
lunar |
Not vulnerable
(0.99.2-5)
|
|
upstream |
Released
(0.99.2-5)
|
|
xenial |
Does not exist
|
Severity score breakdown
Parameter | Value |
---|---|
Base score | 7.5 |
Attack vector | Network |
Attack complexity | Low |
Privileges required | None |
User interaction | None |
Scope | Unchanged |
Confidentiality | High |
Integrity impact | None |
Availability impact | None |
Vector | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |