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githubGitHub Advisory DatabaseGHSA-MP92-3JFM-3575
HistoryOct 31, 2023 - 8:29 p.m.

Synapse vulnerable to leak of remote user device information

2023-10-3120:29:49
CWE-200
GitHub Advisory Database
github.com
10
synapse
vulnerability
remote user
device information
leak
homeserver
upgrade
patch
federation
traffic
whitelist

CVSS3

5.3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

NONE

Availability Impact

NONE

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

AI Score

5.2

Confidence

High

EPSS

0.001

Percentile

47.7%

JSON

Impact

Cached device information of remote users can be queried from Synapse. This can be used to enumerate the remote users known to a homeserver.

Patches

System administrators are encouraged to upgrade to Synapse 1.95.1 as soon as possible.

Workarounds

The federation_domain_whitelist can be used to limit federation traffic with a homeserver.

Affected configurations

Vulners
Node
matrixsynapseRange<1.95.1
VendorProductVersionCPE
matrixsynapse*cpe:2.3:a:matrix:synapse:*:*:*:*:*:*:*:*

Related

debiancve 1
veracode 1
nessus 3
osv 4
cvelist 1
ubuntucve 1
openvas 2
nvd 1
prion 1
cve 1
alpinelinux 1
fedora 2
gentoo 1
debiancve
debiancve
CVE-2023-43796
2023-10-31 17:15:23
veracode
veracode
Information Disclosure
2023-11-01 08:58:43
nessus
nessus
Fedora 38 : matrix-synapse (2023-f8d216faed)
2023-11-09 00:00:00
Fedora 39 : matrix-synapse (2023-957972e77c)
2023-11-09 00:00:00
GLSA-202401-12 : Synapse: Multiple Vulnerabilities
2024-01-09 00:00:00
osv
osv
PYSEC-2023-230
2023-10-31 17:15:00
matrix-synapse-1.95.1-1.1 on GA media
2024-06-15 00:00:00
Synapse vulnerable to leak of remote user device information
2023-10-31 20:29:49
cvelist
cvelist
CVE-2023-43796 Synapse vulnerable to leak of remote user device information
2023-10-31 16:52:48
ubuntucve
ubuntucve
CVE-2023-43796
2023-10-31 00:00:00
openvas
openvas
Fedora: Security Advisory (FEDORA-2023-957972e77c)
2023-11-10 00:00:00
Fedora: Security Advisory for matrix-synapse (FEDORA-2023-f8d216faed)
2023-11-10 00:00:00
nvd
nvd
CVE-2023-43796
2023-10-31 17:15:23
prion
prion
Design/Logic Flaw
2023-10-31 17:15:00
cve
cve
CVE-2023-43796
2023-10-31 17:15:23
alpinelinux
alpinelinux
CVE-2023-43796
2023-10-31 17:15:23
fedora
fedora
[SECURITY] Fedora 39 Update: matrix-synapse-1.95.1-1.fc39
2023-11-10 01:48:07
[SECURITY] Fedora 38 Update: matrix-synapse-1.95.1-1.fc38
2023-11-10 01:57:00
gentoo
gentoo
Synapse: Multiple Vulnerabilities
2024-01-07 00:00:00

CVSS3

5.3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

NONE

Availability Impact

NONE

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

AI Score

5.2

Confidence

High

EPSS

0.001

Percentile

47.7%

JSON
Related for GHSA-MP92-3JFM-3575
debiancve1veracode1nessus3osv4cvelist1ubuntucve1openvas2nvd1prion1cve1alpinelinux1fedora2gentoo1