Lucene search

K
freebsdFreeBSDBDFA6C04-027A-11EF-9C21-901B0E9408DC
HistoryApr 23, 2024 - 12:00 a.m.

py-matrix-synapse -- weakness in auth chain indexing allows DoS

2024-04-2300:00:00
vuxml.freebsd.org
5
matrix synapse security
denial of service
remote attack
disk fill
high cpu usage
unix

6.5 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

7.3 High

AI Score

Confidence

Low

0.0004 Low

EPSS

Percentile

10.4%

Matrix developers report:

Weakness in auth chain indexing allows DoS from remote
room members through disk fill and high CPU usage. (High severity)

6.5 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

7.3 High

AI Score

Confidence

Low

0.0004 Low

EPSS

Percentile

10.4%