CVE-2020-28049

An issue was discovered in SDDM before 0.19.0. It incorrectly starts the X server in a way that - for a short time period - allows local unprivileged users to create a connection to the X server without providing proper authentication. A local attacker can thus access X server display contents an...

CVE-2020-28049

An issue was discovered in SDDM before 0.19.0. It incorrectly starts the X server in a way that - for a short time period - allows local unprivileged users to create a connection to the X server without providing proper authentication. A local attacker can thus access X server display contents an...

CVE-2020-28049

An issue was discovered in SDDM before 0.19.0. It incorrectly starts the X server in a way that - for a short time period - allows local unprivileged users to create a connection to the X server without providing proper authentication. A local attacker can thus access X server display contents an...

Race condition

An issue was discovered in SDDM before 0.19.0. It incorrectly starts the X server in a way that - for a short time period - allows local unprivileged users to create a connection to the X server without providing proper authentication. A local attacker can thus access X server display contents an...

CVE-2020-28049

CVE-2020-28049 affects SDDM prior to 0.19.0. A race during Xauthority file creation allows a local unprivileged user to connect to the X server for a brief window, exposing X display contents and potentially keystrokes or clipboard data. Root cause: race condition in Xauthority handling when star...

CVE-2020-28049

An issue was discovered in SDDM before 0.19.0. It incorrectly starts the X server in a way that - for a short time period - allows local unprivileged users to create a connection to the X server without providing proper authentication. A local attacker can thus access X server display contents an...

CVE-2020-28049

An issue was discovered in SDDM before 0.19.0. It incorrectly starts the X server in a way that - for a short time period - allows local unprivileged users to create a connection to the X server without providing proper authentication. A local attacker can thus access X server display contents an...

CVE-2020-28049

An issue was discovered in SDDM before 0.19.0. It incorrectly starts the X server in a way that - for a short time period - allows local unprivileged users to create a connection to the X server without providing proper authentication. A local attacker can thus access X server display contents an...

CVE-2020-28049

An issue was discovered in SDDM before 0.19.0. It incorrectly starts the X server in a way that - for a short time period - allows local unprivileged users to create a connection to the X server without providing proper authentication. A local attacker can thus access X server display contents an...

PT-2020-5744 · Sddm +2 · Sddm +2

Name of the Vulnerable Software and Affected Versions: SDDM versions prior to 0.19.0 Description: The issue is related to the incorrect start of the X server by SDDM, allowing local unprivileged users to create a connection to the X server without proper authentication for a short time period. Th...

CVE-2020-14346

A flaw was found in xorg-x11-server before 1.20.9. An integer underflow in the X input extension protocol decoding in the X server may lead to arbitrary access of memory contents. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability...

USN-4488-2: X.Org X Server vulnerabilities

USN-4488-1 fixed several vulnerabilities in X.Org. This update provides the corresponding update and also the update from USN-4490-1 for Ubuntu 14.04 ESM. Original advisory details: Jan-Niklas Sohn discovered that the X.Org X Server incorrectly handled the input extension protocol. A local attack...

Ubuntu: Security Advisory (USN-4490-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2020 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...

Ubuntu 16.04 LTS / 18.04 LTS / 20.04 LTS : X.Org X Server vulnerability (USN-4490-1)

The remote Ubuntu 16.04 LTS / 18.04 LTS / 20.04 LTS host has packages installed that are affected by a vulnerability as referenced in the USN-4490-1 advisory. Jan-Niklas Sohn discovered that the X.Org X Server incorrectly handled the XkbSetNames function. A local attacker could possibly use this...

USN-4490-1: X.Org X Server vulnerability

Jan-Niklas Sohn discovered that the X.Org X Server incorrectly handled the XkbSetNames function. A local attacker could possibly use this issue to escalate privileges...

Ubuntu 16.04 LTS / 18.04 LTS / 20.04 LTS : X.Org X Server vulnerabilities (USN-4488-1)

The remote Ubuntu 16.04 LTS / 18.04 LTS / 20.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-4488-1 advisory. Jan-Niklas Sohn discovered that the X.Org X Server incorrectly handled the input extension protocol. A local attacker could...

USN-4488-1 xorg-server, xorg-server-hwe-16.04, xorg-server-hwe-18.04 vulnerabilities

Jan-Niklas Sohn discovered that the X.Org X Server incorrectly handled the input extension protocol. A local attacker could possibly use this issue to escalate privileges. CVE-2020-14346 Jan-Niklas Sohn discovered that the X.Org X Server incorrectly initialized memory. A local attacker could...

OPENSUSE-SU-2020:1279-1 Security update for xorg-x11-server

This update for xorg-x11-server fixes the following issues: - CVE-2020-14347: Leak of uninitialized heap memory from the X server to clients on pixmap allocation bsc1174633, ZDI-CAN-11426. - CVE-2020-14346: XIChangeHierarchy Integer Underflow Privilege Escalation Vulnerability bsc1174638,...

Security update for xorg-x11-server (important)

openSUSE Security Update: Security update for xorg-x11-server Announcement ID: openSUSE-SU-2020:1279-1 Rating: important References: 1174633 1174635 1174638 Cross-References: CVE-2020-14345 CVE-2020-14346 CVE-2020-14347 Affected Products: openSUSE Leap 15.1 An update that fixes three...

FreeBSD : xorg-server -- Multiple input validation failures in X server extensions (ffa15b3b-e6f6-11ea-8cbf-54e1ad3d6335)

The X.org project reports : All theses issuses can lead to local privileges elevation on systems where the X server is running privileged. The handler for the XkbSetNames request does not validate the request length before accessing its contents. An integer underflow exists in the handler for the...