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CVE-2022-36059

Prototype pollution in matrix-js-sdk

Published: Mar 28, 2023Updated: Nov 21, 2024 Sources: CVE List NVD GHSA BDUCWE-1321

Description

matrix-js-sdk is a Matrix messaging protocol Client-Server SDK for JavaScript. In versions prior to 19.4.0 events sent with special strings in key places can temporarily disrupt or impede the matrix-js-sdk from functioning properly, potentially impacting the consumer's ability to process data safely. Note that the matrix-js-sdk can appear to be operating normally but be excluding or corrupting runtime data presented to the consumer. This issue has been fixed in matrix-js-sdk 19.4.0 and users are advised to upgrade. Users unable to upgrade may mitigate this issue by redacting applicable events, waiting for the sync processor to store data, and restarting the client. Alternatively, redacting the applicable events and clearing all storage will often fix most perceived issues. In some cases, no workarounds are possible.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:NI:LA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:LIntegrity
Low
A:HAvailability
High

Weaknesses

Affected Products

matrix-orgoss-projectDECommunicationsaka synapse, matrix-js-sdk, matrix appservice irc
matrixoss-projectGBCommunicationsaka synapse, matrix irc bridge, javascript sdk
npmpackage-ecosystemOSS Libraries
and 4 more affected products View all →

Attack Graph

Products CVE Techniques Tactics

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Exploitability

Official Patch Available

MITRE ATT&CK

1 technique
Execution
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References

and 7 more references View all →

Timeline

Published
Mar 28, 2023
Last Updated
Nov 21, 2024

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