CVE-2023-43656

CVE-2023-43656 affects matrix-hookshot. When transformation functions are enabled (generic.allowJsTransformationFunctions), an attacker could break out of the vm2 sandbox, making Hookshot vulnerable. This primarily concerns instances where untrusted users can apply their own transformation functi...

CVE-2023-42453

Synapse is an open-source Matrix homeserver written and maintained by the Matrix.org Foundation. Users were able to forge read receipts for any event if they knew the room ID and event ID. Note that the users were not able to view the events, but simply mark it as read. This could be confusing as...

DEBIAN-CVE-2023-42453

Synapse is an open-source Matrix homeserver written and maintained by the Matrix.org Foundation. Users were able to forge read receipts for any event if they knew the room ID and event ID. Note that the users were not able to view the events, but simply mark it as read. This could be confusing as...

DEBIAN-CVE-2023-41335

Synapse is an open-source Matrix homeserver written and maintained by the Matrix.org Foundation. When users update their passwords, the new credentials may be briefly held in the server database. While this doesn't grant the server any added capabilities—it already learns the users' passwords as...

CVE-2023-41335

Synapse is an open-source Matrix homeserver written and maintained by the Matrix.org Foundation. When users update their passwords, the new credentials may be briefly held in the server database. While this doesn't grant the server any added capabilities—it already learns the users' passwords as...

Design/Logic Flaw

Synapse is an open-source Matrix homeserver written and maintained by the Matrix.org Foundation. Users were able to forge read receipts for any event if they knew the room ID and event ID. Note that the users were not able to view the events, but simply mark it as read. This could be confusing as...

PYSEC-2023-185

Synapse is an open-source Matrix homeserver written and maintained by the Matrix.org Foundation. When users update their passwords, the new credentials may be briefly held in the server database. While this doesn't grant the server any added capabilities—it already learns the users' passwords as...

PYSEC-2023-185

Synapse is an open-source Matrix homeserver written and maintained by the Matrix.org Foundation. When users update their passwords, the new credentials may be briefly held in the server database. While this doesn't grant the server any added capabilities—it already learns the users' passwords as...

CVE-2023-42453

Synapse is an open-source Matrix homeserver written and maintained by the Matrix.org Foundation. Users were able to forge read receipts for any event if they knew the room ID and event ID. Note that the users were not able to view the events, but simply mark it as read. This could be confusing as...

Authentication flaw

Synapse is an open-source Matrix homeserver written and maintained by the Matrix.org Foundation. When users update their passwords, the new credentials may be briefly held in the server database. While this doesn't grant the server any added capabilities—it already learns the users' passwords as...

PYSEC-2023-180

Synapse is an open-source Matrix homeserver written and maintained by the Matrix.org Foundation. Users were able to forge read receipts for any event if they knew the room ID and event ID. Note that the users were not able to view the events, but simply mark it as read. This could be confusing as...

CVE-2023-43656: Improper Neutralization of Special Elements in Output Used by a Downstream Component

matrix-hookshot is a Matrix bot for connecting to external services like GitHub, GitLab, JIRA, and more. Instances that have enabled transformation functions those that have generic.allowJsTransformationFunctions in their config, may be vulnerable to an attack where it is possible to break out of...

matrix-hookshot injection vulnerability

Matrix is an ambitious new ecosystem for open federated instant messaging and VoIP. An injection vulnerability exists in matrix-hookshot 4.5.0 and prior versions, which can be exploited to break out of the vm2 sandbox in instances where conversion functions are enabled...

PT-2023-28902 · Github +2 · Github +2

Name of the Vulnerable Software and Affected Versions: matrix-hookshot versions prior to 4.5.0 Description: The issue affects matrix-hookshot, a Matrix bot for connecting to external services like GitHub, GitLab, JIRA, and more. Instances with enabled transformation functions, specifically those...

CVE-2023-41335 Temporary storage of plaintext passwords during password changes in matrix synapse

Synapse is an open-source Matrix homeserver written and maintained by the Matrix.org Foundation. When users update their passwords, the new credentials may be briefly held in the server database. While this doesn't grant the server any added capabilities—it already learns the users' passwords as...

CVE-2023-41335 Temporary storage of plaintext passwords during password changes in matrix synapse

Synapse is an open-source Matrix homeserver written and maintained by the Matrix.org Foundation. When users update their passwords, the new credentials may be briefly held in the server database. While this doesn't grant the server any added capabilities—it already learns the users' passwords as...

CVE-2023-41335

Synapse is an open-source Matrix homeserver written and maintained by the Matrix.org Foundation. When users update their passwords, the new credentials may be briefly held in the server database. While this doesn't grant the server any added capabilities—it already learns the users' passwords as...

CVE-2023-41335

CVE-2023-41335 affects the Synapse Matrix homeserver. When users update passwords, the new credentials may be briefly held in the server’s database, potentially ending up in backups longer than expected. The issue does not grant new capabilities but violates expectations around password storage. ...

CVE-2023-41335

Synapse is an open-source Matrix homeserver written and maintained by the Matrix.org Foundation. When users update their passwords, the new credentials may be briefly held in the server database. While this doesn't grant the server any added capabilities—it already learns the users' passwords as...

CVE-2023-42453 Improper validation of receipts allows forged read receipts in matrix synapse

Synapse is an open-source Matrix homeserver written and maintained by the Matrix.org Foundation. Users were able to forge read receipts for any event if they knew the room ID and event ID. Note that the users were not able to view the events, but simply mark it as read. This could be confusing as...