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githubGitHub Advisory DatabaseGHSA-VMCC-4P4X-X7WG
HistoryMay 14, 2022 - 3:20 a.m.

Matrix Synapse DoS

2022-05-1403:20:03
CWE-20
GitHub Advisory Database
github.com
9
matrix synapse
denial of service
version 0.28.1
malicious events
federation_base.py
message.py
april 2018
software

CVSS2

5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:N/I:N/A:P

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS

0.001

Percentile

46.6%

JSON

Matrix Synapse before 0.28.1 is prone to a denial of service flaw where malicious events injected with depth = 2<sup>63</sup> - 1 render rooms unusable, related to federation/federation_base.py and handlers/message.py, as exploited in the wild in April 2018.

Affected configurations

Vulners
Node
matrixsynapseRange<0.28.1
VendorProductVersionCPE
matrixsynapse*cpe:2.3:a:matrix:synapse:*:*:*:*:*:*:*:*

Related

fedora 1
nessus 2
prion 1
osv 3
cvelist 1
openvas 2
ubuntucve 1
nvd 1
cve 1
debiancve 1
ubuntu 1
fedora
fedora
[SECURITY] Fedora 28 Update: matrix-synapse-0.28.1-1.fc28
2018-05-15 20:06:46
nessus
nessus
Fedora 28 : matrix-synapse (2018-f513267ac5)
2019-01-03 00:00:00
Ubuntu 18.04 ESM : Synapse vulnerabilities (USN-6076-1)
2023-05-16 00:00:00
prion
prion
Design/Logic Flaw
2018-05-02 16:29:00
osv
osv
CVE-2018-10657
2018-05-02 16:29:00
Matrix Synapse DoS
2022-05-14 03:20:03
matrix-synapse vulnerabilities
2023-05-16 07:45:08
cvelist
cvelist
CVE-2018-10657
2018-05-02 16:00:00
openvas
openvas
Fedora Update for matrix-synapse FEDORA-2018-f513267ac5
2018-05-16 00:00:00
Ubuntu: Security Advisory (USN-6076-1)
2023-05-17 00:00:00
ubuntucve
ubuntucve
CVE-2018-10657
2018-05-02 00:00:00
nvd
nvd
CVE-2018-10657
2018-05-02 16:29:00
cve
cve
CVE-2018-10657
2018-05-02 16:29:00
debiancve
debiancve
CVE-2018-10657
2018-05-02 16:29:00
ubuntu
ubuntu
Synapse vulnerabilities
2023-05-16 00:00:00

CVSS2

5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:N/I:N/A:P

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS

0.001

Percentile

46.6%

JSON
Related for GHSA-VMCC-4P4X-X7WG
fedora1nessus2prion1osv3cvelist1openvas2ubuntucve1nvd1cve1debiancve1ubuntu1