CVE-2020-26891: Improper Neutralization of Input During Web Page Generation

AuthRestServlet in Matrix Synapse before 1.21.0 is vulnerable to XSS due to unsafe interpolation of the session GET parameter. This allows a remote attacker to execute an XSS attack on the domain Synapse is hosted on, by supplying the victim user with a malicious URL to the...

FreeBSD : py-matrix-synapse -- XSS vulnerability (5f39d80f-107c-11eb-8b47-641c67a117d8)

Matrix developers reports : The fallback authentication endpoint served via Synapse were vulnerable to cross-site scripting XSS attacks. The impact depends on the configuration of the domain that Synapse is deployed on, but may allow access to cookies and other browser data, CSRF vulnerabilities,...

raiden (>=0.100.2rc4, <=0.100.3rc1) potentially affected by CVE-2020-26891 via matrix-synapse (0.33.9)

matrix-synapse PYPI version 0.33.9 is affected by a known vulnerability. The following packages have a transitive dependency on matrix-synapse and may be impacted: - raiden =0.100.2rc4, =0.100.3rc1 Source cves: CVE-2020-26891 Source advisory: OSV:GHSA-3X8C-FMPC-5RMQ...

PT-2020-16533

Name of the Vulnerable Software and Affected Versions Matrix Synapse versions prior to 1.21.0 Description The issue is due to unsafe interpolation of the session GET parameter in the AuthRestServlet, allowing a remote attacker to execute a cross-site scripting XSS attack. This can be done by...

py-matrix-synapse -- XSS vulnerability

Matrix developers reports: The fallback authentication endpoint served via Synapse were vulnerable to cross-site scripting XSS attacks. The impact depends on the configuration of the domain that Synapse is deployed on, but may allow access to cookies and other browser data, CSRF vulnerabilities,...

PT-2020-16532

Name of the Vulnerable Software and Affected Versions Matrix Synapse versions prior to 1.20.0 Description The issue allows remote attackers to execute a denial of service attack against the federation and common Matrix clients by sending non-standard NaN, Infinity, and -Infinity JSON values in...

FreeBSD : py-matrix-synapse -- malformed events may prevent users from joining federated rooms (2327234d-fc4b-11ea-adef-641c67a117d8)

Affected Synapse versions assume that all events have an 'origin' field set. If an event without the 'origin' field is sent into a federated room, servers not already joined to the room will be unable to do so due to failing to fetch the malformed event. Impact : An attacker could cause a denial ...

FreeBSD : py-matrix-synapse -- multiple vulnerabilities (d9f686f3-fde0-48dc-ab0a-01c2fe3e0529)

Matrix developers report : Due to the two security issues highlighted below, server administrators are encouraged to update Synapse. We are not aware of these vulnerabilities being exploited in the wild. - A malicious homeserver could force Synapse to reset the state in a room to a small subset o...

FreeBSD : py-matrix-synapse -- users of single-sign-on are vulnerable to phishing (1afe9552-5ee3-11ea-9b6d-901b0e934d69)

Matrix developers report : The 1.11.1 release includes a security fix impacting installations using Single Sign-On i.e. SAML2 or CAS for authentication. Administrators of such installations are encouraged to upgrade as soon as possible. C Tenable Network Security, Inc. The descriptive text and...

py-matrix-synapse -- users of single-sign-on are vulnerable to phishing

Matrix developers report: The 1.11.1 release includes a security fix impacting installations using Single Sign-On i.e. SAML2 or CAS for authentication. Administrators of such installations are encouraged to upgrade as soon as possible...

FreeBSD : py-matrix-synapse -- multiple vulnerabilities (ed8cbad5-21a8-11ea-9b6d-901b0e934d69)

Matrix developers report : The synapse 1.7.1 release includes several security fixes as well as a fix to a bug exposed by the security fixes. All previous releases of Synapse are affected. Administrators are encouraged to upgrade as soon as possible. - Fix a bug which could cause room events to b...

py-matrix-synapse -- multiple vulnerabilities

Matrix developers report: The synapse 1.7.1 release includes several security fixes as well as a fix to a bug exposed by the security fixes. All previous releases of Synapse are affected. Administrators are encouraged to upgrade as soon as possible. Fix a bug which could cause room events to be...

FreeBSD : py-matrix-synapse -- incomplete cleanup of 3rd-party-IDs on user deactivation (9c36d41c-11df-11ea-9b6d-901b0e934d69)

Matrix developers report : Clean up local threepids from user on account deactivation. C Tenable Network Security, Inc. The descriptive text and package checks in this plugin were extracted from the FreeBSD VuXML database : Copyright 2003-2019 Jacques Vidrine and contributors Redistribution and u...

FreeBSD : py-matrix-synapse -- missing signature checks on some federation APIs (42675046-fa70-11e9-ba4e-901b0e934d69)

Matrix developers report : Make sure that ... events sent over /sendjoin, /sendleave, and /invite, are correctly signed and come from the expected servers. C Tenable Network Security, Inc. The descriptive text and package checks in this plugin were extracted from the FreeBSD VuXML database :...

CVE-2019-18835

Matrix Synapse before 1.5.0 mishandles signature checking on some federation APIs. Events sent over /sendjoin, /sendleave, and /invite may not be correctly signed, or may not come from the expected servers...

CVE-2019-18835

Matrix Synapse before 1.5.0 mishandles signature checking on some federation APIs. Events sent over /sendjoin, /sendleave, and /invite may not be correctly signed, or may not come from the expected servers...

DEBIAN-CVE-2019-18835

Matrix Synapse before 1.5.0 mishandles signature checking on some federation APIs. Events sent over /sendjoin, /sendleave, and /invite may not be correctly signed, or may not come from the expected servers...

Code injection

Matrix Synapse before 1.5.0 mishandles signature checking on some federation APIs. Events sent over /sendjoin, /sendleave, and /invite may not be correctly signed, or may not come from the expected servers...

PYSEC-2019-186

Matrix Synapse before 1.5.0 mishandles signature checking on some federation APIs. Events sent over /sendjoin, /sendleave, and /invite may not be correctly signed, or may not come from the expected servers...

PYSEC-2019-186

Matrix Synapse before 1.5.0 mishandles signature checking on some federation APIs. Events sent over /sendjoin, /sendleave, and /invite may not be correctly signed, or may not come from the expected servers...