The vulnerability of the Skype for Business Server’s instant messaging program, related to insufficient protection of sensitive data, allows a perpetrator to gain unauthorized access to protected information.

The vulnerability of the Skype for Business Server’s instant messaging program is related to insufficient protection of sensitive data due to improper access control. Exploiting this vulnerability can allow an attacker to gain unauthorized access to protected information...

New MrAnon Stealer Malware Targeting German Users via Booking-Themed Scam

A phishing campaign has been observed delivering an information stealer malware called MrAnon Stealer to unsuspecting victims via seemingly benign booking-themed PDF lures. "This malware is a Python-based information stealer compressed with cx-Freeze to evade detection," Fortinet FortiGuard Labs...

[SECURITY] Fedora 38 Update: matrix-synapse-1.95.1-1.fc38

Matrix is an ambitious new ecosystem for open federated Instant Messaging and VoIP. Synapse is a reference "homeserver" implementation of Matrix from the core development team at matrix.org, written in Python/Twisted. It is intended to showcase the concept of Matrix and let folks see the spec in...

[SECURITY] Fedora 39 Update: matrix-synapse-1.95.1-1.fc39

Matrix is an ambitious new ecosystem for open federated Instant Messaging and VoIP. Synapse is a reference "homeserver" implementation of Matrix from the core development team at matrix.org, written in Python/Twisted. It is intended to showcase the concept of Matrix and let folks see the spec in...

Fedora: Security Advisory (FEDORA-2023-957972e77c)

The remote host is missing an update for the SPDX-FileCopyrightText: 2023 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

Fedora: Security Advisory for matrix-synapse (FEDORA-2023-f8d216faed)

The remote host is missing an update for the SPDX-FileCopyrightText: 2023 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

Fedora: Security Advisory (FEDORA-2023-4d4c73a8f0)

The remote host is missing an update for the SPDX-FileCopyrightText: 2023 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

[SECURITY] Fedora 39 Update: matrix-synapse-1.94.0-2.fc39

Matrix is an ambitious new ecosystem for open federated Instant Messaging and VoIP. Synapse is a reference "homeserver" implementation of Matrix from the core development team at matrix.org, written in Python/Twisted. It is intended to showcase the concept of Matrix and let folks see the spec in...

Researchers Uncover Wiretapping of XMPP-Based Instant Messaging Service

New findings have shed light on what's said to be a lawful attempt to covertly intercept traffic originating from jabber.ru aka xmpp.ru, an XMPP-based instant messaging service, via servers hosted on Hetzner and Linode a subsidiary of Akamai in Germany. "The attacker has issued several new TLS...

Fedora: Security Advisory for matrix-synapse (FEDORA-2023-954c2ec5bd)

The remote host is missing an update for the SPDX-FileCopyrightText: 2023 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

[SECURITY] Fedora 37 Update: matrix-synapse-1.80.0-7.fc37

Matrix is an ambitious new ecosystem for open federated Instant Messaging and VoIP. Synapse is a reference "homeserver" implementation of Matrix from the core development team at matrix.org, written in Python/Twisted. It is intended to showcase the concept of Matrix and let folks see the spec in...

[SECURITY] Fedora 38 Update: matrix-synapse-1.94.0-2.fc38

Matrix is an ambitious new ecosystem for open federated Instant Messaging and VoIP. Synapse is a reference "homeserver" implementation of Matrix from the core development team at matrix.org, written in Python/Twisted. It is intended to showcase the concept of Matrix and let folks see the spec in...

Microsoft Skype for Business Remote Code Execution Vulnerability

Microsoft Skype for Business Server is a secure and unified communications platform from Microsoft that provides instant messaging IM, audio and video calling, online conferencing, online status messages, and sharing capabilities. A remote code execution vulnerability exists in Microsoft Skype fo...

Microsoft Skype for Business Remote Code Execution Vulnerability (CNVD-2023-92200)

Microsoft Skype for Business Server is a secure and unified communications platform from Microsoft that provides instant messaging IM, audio and video calling, online conferencing, online status messages, and sharing capabilities. A remote code execution vulnerability exists in Microsoft Skype fo...

Fedora: Security Advisory for matrix-synapse (FEDORA-2023-84ee781688)

The remote host is missing an update for the SPDX-FileCopyrightText: 2023 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

[SECURITY] Fedora 38 Update: matrix-synapse-1.93.0-2.fc38

Matrix is an ambitious new ecosystem for open federated Instant Messaging and VoIP. Synapse is a reference "homeserver" implementation of Matrix from the core development team at matrix.org, written in Python/Twisted. It is intended to showcase the concept of Matrix and let folks see the spec in...

[SECURITY] Fedora 37 Update: matrix-synapse-1.80.0-6.fc37

Matrix is an ambitious new ecosystem for open federated Instant Messaging and VoIP. Synapse is a reference "homeserver" implementation of Matrix from the core development team at matrix.org, written in Python/Twisted. It is intended to showcase the concept of Matrix and let folks see the spec in...

Fedora: Security Advisory for matrix-synapse (FEDORA-2023-5d980e6aaf)

The remote host is missing an update for the SPDX-FileCopyrightText: 2023 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

Cross site scripting

A cross-site scripting vulnerability exists in Citadel versions prior to 994. When a malicious user sends an instant message with some JavaScript code, the script may be executed on the web browser of the victim user...

Citadel WebCit vulnerable to cross-site scripting on Instant Messaging facility

Overview Citadel WebCit provided by Citadel contains a cross-site scripting vulnerability CWE-79. Tomoro Taniguchi of FiveDrive, Inc. reported this vulnerability to IPA. JPCERT/CC coordinated with the developer under Information Security Early Warning Partnership. Impact When a malicious user sen...