CVE-2021-21274 Denial of service attack via .well-known lookups

Synapse is a Matrix reference homeserver written in python pypi package matrix-synapse. Matrix is an ecosystem for open federated Instant Messaging and VoIP. In Synapse before version 1.25.0, a malicious homeserver could redirect requests to their .well-known file to a large file. This can lead t...

Russian Hackers Targeted Ukraine Authorities With Supply-Chain Malware Attack

Ukraine is formally pointing fingers at Russian hackers for hacking into one of its government systems and attempting to plant and distribute malicious documents that would install malware on target systems of public authorities. "The purpose of the attack was the mass contamination of informatio...

PT-2021-14381 · Synapse +1 · Synapse +1

Name of the Vulnerable Software and Affected Versions: Synapse versions prior to 1.25.0 Description: A malicious homeserver could redirect requests to their .well-known file to a large file, leading to a denial of service attack where homeservers consume significantly more resources when requesti...

SVR Attacks on Microsoft 365

FireEye is reporting the current known tactics that the SVR used to compromise Microsoft 365 cloud data as part of its SolarWinds operation: Mandiant has observed UNC2452 and other threat actors moving laterally to the Microsoft 365 cloud using a combination of four primary techniques: Steal the...

Pivotal RabbitMQ < 3.7.18 Cross Site Scripting (XSS) Vulnerability

According to its self-reported version, the version of Pivotal RabbitMQ running on the remote web server is prior to 3.7.18. It is, therefore, affected by cross site scripting XSS vulnerability. A cross-site scripting XSS vulnerability exists in two components, the virtual host limits page, and t...

Multiple IBM Products Licensing Issues Vulnerabilities

IBM Business Process Manager BPM and so on are products of IBM Corporation in the U.S. IBM Business Process Manager is a set of integrated business process management platform.IBM Business Automation Workflow is a set of workflow automation solutions. IBM Process Federation Server Component is an...

Security Bulletin: Information disclosure and Denial of Service vulnerability affect IBM Business Automation Workflow and IBM Business Process Manager (BPM) - CVE-2020-4794

Summary The optional component Process Federation Server that is shipped with IBM Business Process Manager and IBM Business Automation Workflow is vulnerable to a information disclosure and denial of service attack. Vulnerability Details CVEID: CVE-2020-4794 DESCRIPTION: IBM Process Federation...

IBM多款产品授权问题漏洞

IBM Business Process Manager BPM and so on are products of IBM Corporation in the U.S. IBM Business Process Manager is a set of integrated business process management platform.IBM Business Automation Workflow is a set of workflow automation solutions. IBM Process Federation Server Component is an...

Virtuozzo 7 : mod_auth_mellon / mod_auth_mellon-diagnostics (VZLSA-2019-0766)

An update for modauthmellon is now available for Red Hat Enterprise Linux 7. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability...

FreeBSD : py-matrix-synapse -- DoS on Federation API (cfa0be42-3cd7-11eb-9de7-641c67a117d8)

Matrix developers reports : A malicious or poorly-implemented homeserver can inject malformed events into a room by specifying a different room id in the path of a /sendjoin, /sendleave, /invite or /exchangethirdpartyinvite request. This can lead to a denial of service in which future events will...

CVE-2020-26257

Matrix is an ecosystem for open federated Instant Messaging and VoIP. Synapse is a reference "homeserver" implementation of Matrix. A malicious or poorly-implemented homeserver can inject malformed events into a room by specifying a different room id in the path of a /sendjoin, /sendleave, /invit...

DEBIAN-CVE-2020-26257

Matrix is an ecosystem for open federated Instant Messaging and VoIP. Synapse is a reference "homeserver" implementation of Matrix. A malicious or poorly-implemented homeserver can inject malformed events into a room by specifying a different room id in the path of a /sendjoin, /sendleave, /invit...

CVE-2020-26257

Matrix is an ecosystem for open federated Instant Messaging and VoIP. Synapse is a reference "homeserver" implementation of Matrix. A malicious or poorly-implemented homeserver can inject malformed events into a room by specifying a different room id in the path of a /sendjoin, /sendleave, /invit...

CVE-2020-26257

Matrix is an ecosystem for open federated Instant Messaging and VoIP. Synapse is a reference "homeserver" implementation of Matrix. A malicious or poorly-implemented homeserver can inject malformed events into a room by specifying a different room id in the path of a /sendjoin, /sendleave, /invit...

PYSEC-2020-236

Matrix is an ecosystem for open federated Instant Messaging and VoIP. Synapse is a reference "homeserver" implementation of Matrix. A malicious or poorly-implemented homeserver can inject malformed events into a room by specifying a different room id in the path of a /sendjoin, /sendleave, /invit...

UBUNTU-CVE-2020-26257

Matrix is an ecosystem for open federated Instant Messaging and VoIP. Synapse is a reference "homeserver" implementation of Matrix. A malicious or poorly-implemented homeserver can inject malformed events into a room by specifying a different room id in the path of a /sendjoin, /sendleave, /invit...

Design/Logic Flaw

Matrix is an ecosystem for open federated Instant Messaging and VoIP. Synapse is a reference "homeserver" implementation of Matrix. A malicious or poorly-implemented homeserver can inject malformed events into a room by specifying a different room id in the path of a /sendjoin, /sendleave, /invit...

CVE-2020-26257

Matrix is an ecosystem for open federated Instant Messaging and VoIP. Synapse is a reference "homeserver" implementation of Matrix. A malicious or poorly-implemented homeserver can inject malformed events into a room by specifying a different room id in the path of a /sendjoin, /sendleave, /invit...

CVE-2020-26257 Denial of service attack via incorrect parameters to federation APIs

Matrix is an ecosystem for open federated Instant Messaging and VoIP. Synapse is a reference "homeserver" implementation of Matrix. A malicious or poorly-implemented homeserver can inject malformed events into a room by specifying a different room id in the path of a /sendjoin, /sendleave, /invit...

CVE-2020-26257

Matrix is an ecosystem for open federated Instant Messaging and VoIP. Synapse is a reference "homeserver" implementation of Matrix. A malicious or poorly-implemented homeserver can inject malformed events into a room by specifying a different room id in the path of a /sendjoin, /sendleave, /invit...