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openSUSE-SU-2019:1750-1

Опубликовано: 20 июл. 2019
Источник: suse-cvrf

Описание

Security update for dbus-1

This update for dbus-1 fixes the following issues:

Security issue fixed:

  • CVE-2019-12749: Fixed an implementation flaw in DBUS_COOKIE_SHA1 which could have allowed local attackers to bypass authentication (bsc#1137832).

This update was imported from the SUSE:SLE-15-SP1:Update update project.

Список пакетов

openSUSE Leap 15.1
dbus-1-1.12.2-lp151.4.3.1
dbus-1-devel-1.12.2-lp151.4.3.1
dbus-1-devel-32bit-1.12.2-lp151.4.3.1
dbus-1-devel-doc-1.12.2-lp151.4.3.1
dbus-1-x11-1.12.2-lp151.4.3.1
libdbus-1-3-1.12.2-lp151.4.3.1
libdbus-1-3-32bit-1.12.2-lp151.4.3.1

Ссылки

Описание

dbus before 1.10.28, 1.12.x before 1.12.16, and 1.13.x before 1.13.12, as used in DBusServer in Canonical Upstart in Ubuntu 14.04 (and in some, less common, uses of dbus-daemon), allows cookie spoofing because of symlink mishandling in the reference implementation of DBUS_COOKIE_SHA1 in the libdbus library. (This only affects the DBUS_COOKIE_SHA1 authentication mechanism.) A malicious client with write access to its own home directory could manipulate a ~/.dbus-keyrings symlink to cause a DBusServer with a different uid to read and write in unintended locations. In the worst case, this could result in the DBusServer reusing a cookie that is known to the malicious client, and treating that cookie as evidence that a subsequent client connection came from an attacker-chosen uid, allowing authentication bypass.

Затронутые продукты
openSUSE Leap 15.1:dbus-1-1.12.2-lp151.4.3.1
openSUSE Leap 15.1:dbus-1-devel-1.12.2-lp151.4.3.1
openSUSE Leap 15.1:dbus-1-devel-32bit-1.12.2-lp151.4.3.1
openSUSE Leap 15.1:dbus-1-devel-doc-1.12.2-lp151.4.3.1
Ссылки