CVE-2017-1087

In FreeBSD 10.x before 10.4-STABLE, 10.4-RELEASE-p3, and 10.3-RELEASE-p24 named paths are globally scoped, meaning a process located in one jail can read and modify the content of POSIX shared memory objects created by a process in another jail or the host system. As a result, a malicious user th...

CVE-2017-1087

CVE-2017-1087 affects FreeBSD 10.x where named POSIX shared memory objects are globally scoped across jails and host. According to sources, a process in one jail can read/modify shared memory created by another jail or host, enabling malicious content injection into memory regions trusted by appl...

CVE-2017-1087

Removed by vendor...

CVE-2017-1087

In FreeBSD 10.x before 10.4-STABLE, 10.4-RELEASE-p3, and 10.3-RELEASE-p24 named paths are globally scoped, meaning a process located in one jail can read and modify the content of POSIX shared memory objects created by a process in another jail or the host system. As a result, a malicious user th...

CVE-2017-1087: Improper Limitation of a Pathname to a Restricted Directory

In FreeBSD 10.x before 10.4-STABLE, 10.4-RELEASE-p3, and 10.3-RELEASE-p24 named paths are globally scoped, meaning a process located in one jail can read and modify the content of POSIX shared memory objects created by a process in another jail or the host system. As a result, a malicious user th...

PT-2017-11572

Name of the Vulnerable Software and Affected Versions FreeBSD versions prior to 10.4-STABLE FreeBSD version 10.4-RELEASE-p3 and earlier FreeBSD version 10.3-RELEASE-p24 and earlier Description The issue allows a malicious user with access to a jailed system to abuse shared memory by injecting...

FreeBSD -- POSIX shm allows jails to access global namespace

Problem Description: Named paths are globally scoped, meaning a process located in one jail can read and modify the content of POSIX shared memory objects created by a process in another jail or the host system. Impact: A malicious user that has access to a jailed system is able to abuse shared...

FreeBSD-SA-17:09.shm

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA512 ============================================================================= FreeBSD-SA-17:09.shm Security Advisory The FreeBSD Project Topic: POSIX shm allows jails to access global namespace Category: core Module: shm Announced: 2017-11-15...

Ubuntu 14.04 LTS / 16.04 LTS : X.Org X server vulnerabilities (USN-3453-1)

The remote Ubuntu 14.04 LTS / 16.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-3453-1 advisory. Michal Srb discovered that the X.Org X server incorrectly handled shared memory segments. An attacker able to connect to an X server, either...

USN-3453-1: X.Org X server vulnerabilities

Michal Srb discovered that the X.Org X server incorrectly handled shared memory segments. An attacker able to connect to an X server, either locally or remotely, could use this issue to crash the server, or possibly replace shared memory segments of other X clients in the same session...

USN-3453-1 xorg-server, xorg-server-hwe-16.04, xorg-server-lts-xenial vulnerabilities

Michal Srb discovered that the X.Org X server incorrectly handled shared memory segments. An attacker able to connect to an X server, either locally or remotely, could use this issue to crash the server, or possibly replace shared memory segments of other X clients in the same session...

CVE-2017-13721

In X.Org Server aka xserver and xorg-server before 1.19.4, an attacker authenticated to an X server with the X shared memory extension enabled can cause aborts of the X server or replace shared memory segments of other X clients in the same session...

CVE-2017-13721

In X.Org Server aka xserver and xorg-server before 1.19.4, an attacker authenticated to an X server with the X shared memory extension enabled can cause aborts of the X server or replace shared memory segments of other X clients in the same session...

CVE-2017-13721

In X.Org Server aka xserver and xorg-server before 1.19.4, an attacker authenticated to an X server with the X shared memory extension enabled can cause aborts of the X server or replace shared memory segments of other X clients in the same session...

ALPINE-CVE-2017-13721

In X.Org Server aka xserver and xorg-server before 1.19.4, an attacker authenticated to an X server with the X shared memory extension enabled can cause aborts of the X server or replace shared memory segments of other X clients in the same session...

DEBIAN-CVE-2017-13721

In X.Org Server aka xserver and xorg-server before 1.19.4, an attacker authenticated to an X server with the X shared memory extension enabled can cause aborts of the X server or replace shared memory segments of other X clients in the same session...

Session fixation

In X.Org Server aka xserver and xorg-server before 1.19.4, an attacker authenticated to an X server with the X shared memory extension enabled can cause aborts of the X server or replace shared memory segments of other X clients in the same session...

CVE-2017-13721: Improper Privilege Management

In X.Org Server aka xserver and xorg-server before 1.19.4, an attacker authenticated to an X server with the X shared memory extension enabled can cause aborts of the X server or replace shared memory segments of other X clients in the same session...

CVE-2017-13721

In X.Org Server aka xserver and xorg-server before 1.19.4, an attacker authenticated to an X server with the X shared memory extension enabled can cause aborts of the X server or replace shared memory segments of other X clients in the same session...

CVE-2017-13721

In X.Org Server aka xserver and xorg-server before 1.19.4, an attacker authenticated to an X server with the X shared memory extension enabled can cause aborts of the X server or replace shared memory segments of other X clients in the same session...