CVE-2017-12185

xorg-x11-server before 1.19.5 was missing length validation in MIT-SCREEN-SAVER extension allowing malicious X client to cause X server to crash or possibly execute arbitrary code...

CVE-2017-12177: Unchecked Error Condition

xorg-x11-server before 1.19.5 was vulnerable to integer overflow in ProcDbeGetVisualInfo function allowing malicious X client to cause X server to crash or possibly execute arbitrary code...

GLSA-201801-10 : LibXfont, LibXfont2: Arbitrary file access

The remote host is affected by the vulnerability described in GLSA-201801-10 LibXfont, LibXfont2: Arbitrary file access It was discovered that libXfont incorrectly followed symlinks when opening font files. Impact : A local unprivileged user could use this flaw to cause the X server to access...

libXfont and libXfont2 Arbitrary File Access Vulnerabilities

libXfont and libXfont2 are both X.Org Foundation X font processing libraries for servers and utilities. A security vulnerability exists in libXfont versions prior to 1.5.4 and libXfont2 versions prior to 2.0.3. A local attacker could exploit this vulnerability to allow the X server to access...

EulerOS 2.0 SP1 : xorg-x11-server (EulerOS-SA-2017-1295)

According to the version of the xorg-x11-server packages installed, the EulerOS installation on the remote host is affected by the following vulnerability : - In X.Org Server aka xserver and xorg-server before 1.19.4, a local attacker authenticated to the X server could overflow a global buffer,...

Ubuntu 14.04 LTS / 16.04 LTS : libXfont vulnerability (USN-3500-1)

The remote Ubuntu 14.04 LTS / 16.04 LTS host has packages installed that are affected by a vulnerability as referenced in the USN-3500-1 advisory. It was discovered that libXfont incorrectly followed symlinks when opening font files. A local unprivileged user could use this issue to cause the X...

[slackware-security] libXfont

New libXfont packages are available for Slackware 13.0, 13.1, 13.37, 14.0, 14.1, and 14.2 to fix a security issue. Here are the details from the Slackware 14.2 ChangeLog: patches/packages/libXfont-1.5.1-i486-2slack14.2.txz: Rebuilt. Open files with ONOFOLLOW. CVE-2017-16611 A non-privileged X...

Debian DLA-1186-1 : xorg-server security update

Several vulnerabilities have been discovered in the X.Org X server. An attacker who's able to connect to an X server could cause a denial of service or potentially the execution of arbitrary code. For Debian 7 'Wheezy', these problems have been fixed in version 2:1.12.4-6+deb7u8. We recommend tha...

libXfont -- permission bypass when opening files through symlinks

the freedesktop.org project reports: A non-privileged X client can instruct X server running under root to open any file by creating own directory with "fonts.dir", "fonts.alias" or any font file being a symbolic link to any other file in the system. X server will then open it. This can be issue...

CVE-2017-12178

xorg-x11-server before 1.19.5 had wrong extra length check in ProcXIChangeHierarchy function allowing malicious X client to cause X server to crash or possibly execute arbitrary code...

CVE-2017-12177

xorg-x11-server before 1.19.5 was vulnerable to integer overflow in ProcDbeGetVisualInfo function allowing malicious X client to cause X server to crash or possibly execute arbitrary code...

CVE-2017-12187

xorg-x11-server before 1.19.5 was missing length validation in RENDER extension allowing malicious X client to cause X server to crash or possibly execute arbitrary code...

CVE-2017-12185

xorg-x11-server before 1.19.5 was missing length validation in MIT-SCREEN-SAVER extension allowing malicious X client to cause X server to crash or possibly execute arbitrary code...

CVE-2017-12184

xorg-x11-server before 1.19.5 was missing length validation in XINERAMA extension allowing malicious X client to cause X server to crash or possibly execute arbitrary code...

CVE-2017-12183

xorg-x11-server before 1.19.5 was missing length validation in XFIXES extension allowing malicious X client to cause X server to crash or possibly execute arbitrary code...

CVE-2017-12181

xorg-x11-server before 1.19.5 was missing length validation in XFree86 DGA extension allowing malicious X client to cause X server to crash or possibly execute arbitrary code...

CVE-2017-12180

xorg-x11-server before 1.19.5 was missing length validation in XFree86 VidModeExtension allowing malicious X client to cause X server to crash or possibly execute arbitrary code...

Updated libxfont packages fix security vulnerabilities

In the PatternMatch function in fontfile/fontdir.c in libXfont through 1.5.2 and 2.x before 2.0.2, an attacker with access to an X connection can cause a buffer over-read during pattern matching of fonts, leading to information disclosure or a crash denial of service. This occurs because '\0'...

Ubuntu 14.04 LTS / 16.04 LTS : X.Org X server vulnerabilities (USN-3456-1)

The remote Ubuntu 14.04 LTS / 16.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-3456-1 advisory. It was discovered that the X.Org X server incorrectly handled certain lengths. An attacker able to connect to an X server, either locally or...

Ubuntu: Security Advisory (USN-3456-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2017 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...