X.Org X11 library: Denial of service

Background X.Org is an implementation of the X Window System. The X.Org X11 library provides the X11 protocol library files. Description It was discovered that XLookupColor and other X.Org X11 library functions lacked proper validation of the length of their string parameters. Impact An attacker...

Updated libx11 packages fix a security vulnerability

XLookupColor and other X libraries function lack proper validation of the length of their string parameters. If those parameters can be controlled by an external application for instance a color name that can be emitted via a terminal control sequence it can lead to the emission of extra X protoc...

libX11 Insufficient Length Check / Injection

Hello list, A missing length check in libX11 causes data from LookupColor requests mess up the client-server communication protocol and inject malicious X server requests. The flaw is comparable to SQLi injecting commands into database connections granting an attacker access to all features of th...

xorg-x11-server: Leak of uninitialized heap memory from the X server to clients in AllocatePixmap of dix/pixmap.c

A flaw was found in the way the Xserver memory was not properly initialized. This issue leak parts of server memory to the X client. In cases where the Xorg server runs with elevated privileges, this flaw results in a possible ASLR bypass...

CVE-2021-31535

LookupCol.c in X.Org X through X11R7.7 and libX11 before 1.7.1 might allow remote attackers to execute arbitrary code. The libX11 XLookupColor request intended for server-side color lookup contains a flaw allowing a client to send color-name requests with a name longer than the maximum size allow...

libX11 -- Arbitrary code execution

The X.org project reports: XLookupColor and other X libraries function lack proper validation of the length of their string parameters. If those parameters can be controlled by an external application for instance a color name that can be emitted via a terminal control sequence it can lead to the...

GLSA-202104-02 : X.Org X Server: Privilege escalation

The remote host is affected by the vulnerability described in GLSA-202104-02 X.Org X Server: Privilege escalation It was discovered that X.Org X Server did not sufficiently check the length of the XInput extensions ChangeFeedbackControl request. Impact : An authorized attacker could possibly...

MGASA-2021-0202 Updated nvidia390 packages fix security vulnerabilities

Updated nvidia390 packages fix security vulnerabilities: NVIDIA GPU Display Driver for Linux contains a vulnerability in the kernel mode layer nvidia.ko where improper access control may lead to denial of service, information disclosure, or data corruption CVE-2021-1076. It also fixes a bug where...

Updated nvidia390 packages fix security vulnerabilities

Updated nvidia390 packages fix security vulnerabilities: NVIDIA GPU Display Driver for Linux contains a vulnerability in the kernel mode layer nvidia.ko where improper access control may lead to denial of service, information disclosure, or data corruption CVE-2021-1076. It also fixes a bug where...

X.Org X Server: Privilege escalation

Background The X Window System is a graphical windowing system based on a client/server model. Description It was discovered that X.Org X Server did not sufficiently check the length of the XInput extension’s ChangeFeedbackControl request. Impact An authorized attacker could possibly escalate...

[SECURITY] Fedora 32 Update: xorg-x11-server-1.20.11-1.fc32

X.Org X11 X server...

Vulnerability fixed in x.org

A vulnerability has been fixed in X.org. A malicious person could exploit the vulnerability to appropriate elevated privileges within the X server and thus potentially execute arbitrary code with application privileges. Under usual circumstances, an X server runs with limited permissions. -= Debi...

SUSE: Security Advisory (SUSE-SU-2017:1675-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2021 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 33 Update: xorg-x11-server-1.20.11-1.fc33

X.Org X11 X server...

[SECURITY] [DLA 2627-1] xorg-server security update

------------------------------------------------------------------------- Debian LTS Advisory DLA-2627-1 [email protected] https://www.debian.org/lts/security/ Chris Lamb April 15, 2021 https://wiki.debian.org/LTS -...

Ubuntu 16.04 LTS / 18.04 LTS / 20.04 LTS : X.Org X Server vulnerability (USN-4905-1)

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-4905-1 advisory. Jan-Niklas Sohn discovered that the X.Org X Server incorrectly handled certain lengths of XInput extension ChangeFeedbackControl requests...

Ubuntu: Security Advisory (USN-4905-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2021 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...

FreeBSD : xorg-server -- Input validation failures in X server XInput extension (465db5b6-9c6d-11eb-8e8a-bc542f4bd1dd)

X.Org server security reports for release 1.20.11 : - Fix XChangeFeedbackControl request underflow . C Tenable Network Security, Inc. The descriptive text and package checks in this plugin were extracted from the FreeBSD VuXML database : Copyright 2003-2021 Jacques Vidrine and contributors...

USN-4905-1: X.Org X Server vulnerability

Jan-Niklas Sohn discovered that the X.Org X Server incorrectly handled certain lengths of XInput extension ChangeFeedbackControl requests. An attacker could use this issue to cause the server to crash, resulting in a denial of service, or possibly execute arbitrary code...

X.Org X Server 数字错误漏洞

X.Org X Server is an X Window System display server from the X.Org X.org Foundation. A numeric error vulnerability exists in X.Org Server that allows a local user to escalate privileges on the system. This is due to an integer underflow within the XChangeFeedbackControl function...