GHSA-P9QP-C452-F9R7 Synapse Denial of service due to incorrect application of event authorization rules during state resolution

Impact If Synapse and a malicious homeserver are both joined to the same room, the malicious homeserver can trick Synapse into accepting previously rejected events into its view of the current state of that room. This can be exploited in a way that causes all further messages and state changes se...

Synapse Denial of service due to incorrect application of event authorization rules during state resolution

Impact If Synapse and a malicious homeserver are both joined to the same room, the malicious homeserver can trick Synapse into accepting previously rejected events into its view of the current state of that room. This can be exploited in a way that causes all further messages and state changes se...

GHSA-45CJ-F97F-GGWV Synapse does not apply enough checks to servers requesting auth events of events in a room

Impact Synapse is an open-source Matrix homeserver written and maintained by the Matrix.org Foundation. The Matrix Federation API allows remote homeservers to request the authorisation events of events in a room. This is necessary so that a homeserver receiving some events can validate that those...

Synapse does not apply enough checks to servers requesting auth events of events in a room

Impact Synapse is an open-source Matrix homeserver written and maintained by the Matrix.org Foundation. The Matrix Federation API allows remote homeservers to request the authorisation events of events in a room. This is necessary so that a homeserver receiving some events can validate that those...

PT-2023-23730 · Synapse · Synapse

Name of the Vulnerable Software and Affected Versions: Synapse versions up to and including 1.73 Description: A malicious user on a Synapse homeserver with permission to create certain state events can disable outbound federation from one homeserver to another. This is possible due to the lack of...

PT-2023-13722 · Synapse +2 · Synapse +2

Name of the Vulnerable Software and Affected Versions: Synapse versions prior to 1.68.0 Description: The issue occurs when Synapse and a malicious homeserver are both joined to the same room. The malicious homeserver can trick Synapse into accepting previously rejected events into its view of the...

PT-2023-13719 · Synapse +2 · Synapse +2

Name of the Vulnerable Software and Affected Versions: Synapse versions up to and including 1.68.0 Description: The Matrix Federation API in Synapse allows remote homeservers to request authorization events in a room, which is necessary for validating the legitimacy and permission of events...

Ubuntu 18.04 ESM : Synapse vulnerabilities (USN-6076-1)

The remote Ubuntu 18.04 ESM host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-6076-1 advisory. It was discovered that Synapse incorrectly handled certain inputs. If a user or an automated system were tricked into opening a specially crafted input...

May 9, 2023—KB5026370 (OS Build 20348.1726)

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CVE-2023-27555

IBM Db2 for Linux, UNIX and Windows includes DB2 Connect Server 11.5 is vulnerable to a denial of service when attempting to use ACR client affinity for unfenced DRDA federation wrappers. IBM X-Force ID: 249187...

CVE-2023-27555

IBM Db2 for Linux, UNIX and Windows includes DB2 Connect Server 11.5 is vulnerable to a denial of service when attempting to use ACR client affinity for unfenced DRDA federation wrappers. IBM X-Force ID: 249187...

Design/Logic Flaw

IBM Db2 for Linux, UNIX and Windows includes DB2 Connect Server 11.5 is vulnerable to a denial of service when attempting to use ACR client affinity for unfenced DRDA federation wrappers. IBM X-Force ID: 249187...

CVE-2023-27555 IBM Db2 denial of service

IBM Db2 for Linux, UNIX and Windows includes DB2 Connect Server 11.5 is vulnerable to a denial of service when attempting to use ACR client affinity for unfenced DRDA federation wrappers. IBM X-Force ID: 249187...

CVE-2023-27555 IBM Db2 denial of service

IBM Db2 for Linux, UNIX and Windows includes DB2 Connect Server 11.5 is vulnerable to a denial of service when attempting to use ACR client affinity for unfenced DRDA federation wrappers. IBM X-Force ID: 249187...

CVE-2023-27555

CVE-2023-27555 affects IBM Db2 for Linux/UNIX/Windows 11.5 (DB2 Connect Server). Description states a denial of service when attempting to use ACR client affinity for unfenced DRDA federation wrappers, with an impact on availability (CVSS base 7.5 in NVD entry, high impact). Connected IBM bulleti...

PT-2023-21199 · Ibm · Ibm Db2

Name of the Vulnerable Software and Affected Versions: IBM Db2 for Linux, UNIX and Windows includes DB2 Connect Server version 11.5 Description: The issue is related to a denial of service that occurs when attempting to use ACR client affinity for unfenced DRDA federation wrappers. Recommendation...

Security Bulletin: IBM® Db2® is vulnerable to a denial of service as the server may crash when when attempting to use ACR client affinity for unfenced DRDA federation wrappers. (CVE-2023-27555)

Summary IBM® Db2® is vulnerable to a denial of service as the server may crash when when attempting to use ACR client affinity for unfenced DRDA federation wrappers. Vulnerability Details CVEID:CVE-2023-27555 DESCRIPTION: IBM Db2 for Linux, UNIX and Windows includes DB2 Connect Server is vulnerab...

SUSE CVE-2018-12291

The ongetmissingevents function in handlers/federation.py in Matrix Synapse before 0.31.1 has a security bug in the getmissingevents federation API where event visibility rules were not applied correctly...

SUSE CVE-2018-14432

In the Federation component of OpenStack Keystone before 11.0.4, 12.0.0, and 13.0.0, an authenticated "GET /v3/OS-FEDERATION/projects" request may bypass intended access restrictions on listing projects. An authenticated user may discover projects they have no authority to access, leaking all...

SUSE CVE-2019-11281

Pivotal RabbitMQ, versions prior to v3.7.18, and RabbitMQ for PCF, versions 1.15.x prior to 1.15.13, versions 1.16.x prior to 1.16.6, and versions 1.17.x prior to 1.17.3, contain two components, the virtual host limits page, and the federation management UI, which do not properly sanitize user...