UBUNTU-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...

UBUNTU-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...

UBUNTU-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...

UBUNTU-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...

UBUNTU-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...

UBUNTU-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-2017-12187

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-2017-12179

xorg-x11-server before 1.19.5 was vulnerable to integer overflow in SProcXIBarrierReleasePointer functions 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...

UBUNTU-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...

Updated x11-server packages fix security vulnerabilities

In Xext/shm, the shmseg resource id can belong to a non-existing client and abort X server with FatalError "client not in use", or overwrite existing segment of another existing client CVE-2017-13721. Generating strings for XKB data used a single shared static buffer, which offered several...

MGASA-2017-0366 Updated x11-server packages fix security vulnerabilities

In Xext/shm, the shmseg resource id can belong to a non-existing client and abort X server with FatalError "client not in use", or overwrite existing segment of another existing client CVE-2017-13721. Generating strings for XKB data used a single shared static buffer, which offered several...

Tor (Linux) - X11 Linux Sandbox Breakout

/ Source: https://bugs.chromium.org/p/project-zero/issues/detail?id=1293&desc=2 EDIT: I mixed up two different sandboxes; see the comment below for a correction. From inside the Linux sandbox described in , it is still possible to talk to the X server without any restrictions. This means that a...

Updated x11-server packages fix security vulnerabilities

Eric Sesterhenn discovered that the X.Org X server incorrectly compared MIT cookies. An attacker could possibly use this issue to perform a timing attack and recover the MIT cookie CVE-2017-2624. It was discovered that the X.Org X server incorrectly handled endianness conversion of certain X...

SUSE SLED12 / SLES12 Security Update : xorg-x11-server (SUSE-SU-2017:1860-1)

This update for xorg-x11-server provides the following fixes : - CVE-2017-10971: Fix endianess handling of GenericEvent to prevent a stack overflow by clients. bnc1035283 - Make sure the type of all events to be sent by ProcXSendExtensionEvent are in the allowed range. - CVE-2017-10972: Initializ...

openSUSE Security Update : xorg-x11-server (openSUSE-2017-825)

This update for xorg-x11-server fixes the following issues : - CVE-2017-10971: Fix endianess handling of GenericEvent to prevent a stack overflow by clients. bnc1035283 - Make sure the type of all events to be sent by ProcXSendExtensionEvent are in the allowed range. - CVE-2017-10972: Initialize...

openSUSE Security Update : xorg-x11-server (openSUSE-2017-826)

This update for xorg-x11-server fixes the following issues : - Improve retrieval of entropy for generating random authentication cookies bsc1025084 - Fix rendering with glamor acceleration. bsc1047154 %NASLMINLEVEL 70300 C Tenable Network Security, Inc. The descriptive text and package checks in...

SUSE SLES12 Security Update : xorg-x11-server (SUSE-SU-2017:1859-1)

This update for xorg-x11-server provides the following fixes : - CVE-2017-10971: Fix endianess handling of GenericEvent to prevent a stack overflow by clients. bnc1035283 - Make sure the type of all events to be sent by ProcXSendExtensionEvent are in the allowed range. - CVE-2017-10972: Initializ...

SUSE SLES12 Security Update : xorg-x11-server (SUSE-SU-2017:1861-1)

This update for xorg-x11-server fixes the following issues : - CVE-2017-10971: Fix endianess handling of GenericEvent to prevent a stack overflow by clients. bnc1035283 - Make sure the type of all events to be sent by ProcXSendExtensionEvent are in the allowed range. - CVE-2017-10972: Initialize...