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[email protected]CVE-2023-38700

HistoryAug 04, 2023 - 7:15 p.m.

CVE-2023-38700

2023-08-0419:15:09

NVD-CWE-noinfo

CWE-200

[email protected]

web.nvd.nist.gov

cve-2023-38700

matrix-appservice-irc

node.js

irc bridge

matrix

event leak

security vulnerability

nvd

3.7 Low

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

NONE

Availability Impact

NONE

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

4.2 Medium

AI Score

Confidence

High

2.6 Low

CVSS2

Access Vector

NETWORK

Access Complexity

HIGH

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

0.001 Low

EPSS

Percentile

19.7%

JSON

matrix-appservice-irc is a Node.js IRC bridge for Matrix. Prior to version 1.0.1, it was possible to craft an event such that it would leak part of a targeted message event from another bridged room. This required knowing an event ID to target. Version 1.0.1n fixes this issue. As a workaround, set the matrixHandler.eventCacheSize config value to 0. This workaround may impact performance.

CPENameOperatorVersion
matrix:matrix_irc_bridgematrix matrix irc bridgelt1.0.1
matrix:matrix_irc_bridgematrix matrix irc bridgeeq0.7.0
matrix:matrix_irc_bridgematrix matrix irc bridgeeq0.21.0
matrix:matrix_irc_bridgematrix matrix irc bridgeeq0.32.1
matrix:matrix_irc_bridgematrix matrix irc bridgeeq0.29.0
matrix:matrix_irc_bridgematrix matrix irc bridgeeq0.33.1
matrix:matrix_irc_bridgematrix matrix irc bridgeeq1.0.0
matrix:matrix_irc_bridgematrix matrix irc bridgeeq0.14.1
matrix:matrix_irc_bridgematrix matrix irc bridgeeq0.11.0
matrix:matrix_irc_bridgematrix matrix irc bridgeeq0.10.0

CPE	Name	Operator	Version
matrix:matrix_irc_bridge	matrix matrix irc bridge	lt	1.0.1
matrix:matrix_irc_bridge	matrix matrix irc bridge	eq	0.7.0
matrix:matrix_irc_bridge	matrix matrix irc bridge	eq	0.21.0
matrix:matrix_irc_bridge	matrix matrix irc bridge	eq	0.32.1
matrix:matrix_irc_bridge	matrix matrix irc bridge	eq	0.29.0
matrix:matrix_irc_bridge	matrix matrix irc bridge	eq	0.33.1
matrix:matrix_irc_bridge	matrix matrix irc bridge	eq	1.0.0
matrix:matrix_irc_bridge	matrix matrix irc bridge	eq	0.14.1
matrix:matrix_irc_bridge	matrix matrix irc bridge	eq	0.11.0
matrix:matrix_irc_bridge	matrix matrix irc bridge	eq	0.10.0

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References

github.com/matrix-org/matrix-appservice-irc/commit/8bbd2b69a16cbcbeffdd9b5c973fd89d61498d75

github.com/matrix-org/matrix-appservice-irc/releases/tag/1.0.1

github.com/matrix-org/matrix-appservice-irc/security/advisories/GHSA-c7hh-3v6c-fj4q

3.7 Low

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

NONE

Availability Impact

NONE

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

4.2 Medium

AI Score

Confidence

High

2.6 Low

CVSS2

Access Vector

NETWORK

Access Complexity

HIGH

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

0.001 Low

EPSS

Percentile

19.7%

JSON

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