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CVE-2023-38691

Published: Aug 4, 2023Updated: Nov 21, 2024 Sources: CVE List NVD GHSACWE-287
5.0MEDIUM
NVD MITRE
EPSS Score
0.5%
Top 62.0%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available
Self-Check
Not available

Description

matrix-appservice-bridge doesn't verify the sub parameter of an openId token exhange, allowing unauthorized access to provisioning APIs

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:LPR:LUI:NS:CC:LI:NA:N
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:LPrivileges Required
Low
UI:NUser Interaction
None
Scope
S:CScope
Changed
Impact
C:LConfidentiality
Low
I:NIntegrity
None
A:NAvailability
None
Open in CVSS calculator →

Weaknesses

CWE-287

Affected Products

npm
package-ecosystem
matrix-appservice-bridge
OSS Libraries
matrix-org
oss-project·DEaka matrix-js-sdk, synapse, matrix appservice irc
matrix-appservice-bridgeOn-prem
Communications / messaging-chat
matrix
oss-project·GBaka synapse, matrix irc bridge, javascript sdk
matrix-appservice-bridgeOn-prem
Communications / messaging-chat

Exploitability

Official Patch Available

Attack Graph

Products CVE Techniques Tactics

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MITRE ATT&CK

2 techniques
Initial Access
View detailed technique mapping

References

https://github.com/matrix-org/matrix-appservice-bridge/security/advisories/GHSA-vc7j-h8xg-fv5x
github.com
https://nvd.nist.gov/vuln/detail/CVE-2023-38691
nvd.nist.gov
https://github.com/matrix-org/matrix-appservice-bridge/commit/4c6723a5e7beda65cdf1ae5dbb882e8beaac8552
github.com
and 1 more references View all →

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