Gentoo: GLSA-201701-20: D-Bus: Format string vulnerability
Summary
It was discovered that D-Bus incorrectly handles certain format
strings.
The impact of this new vulnerability is believed to not be exploitable
if D-Bus is patched against CVE-2015-0245. The previous vulnerability
(CVE-2015-0245) was addressed in GLSA-201503-02 referenced below.
Resolution
All D-Bus users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=sys-apps/dbus-1.10.12"
References
[ 1 ] GLSA-201503-02 https://security.gentoo.org/glsa/201503-02
Availability
This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:
https://security.gentoo.org/glsa/201701-20
Concerns
Security is a primary focus of Gentoo Linux and ensuring the confidentiality and security of our users' machines is of utmost importance to us. Any security concerns should be addressed to security@gentoo.org or alternatively, you may file a bug at https://bugs.gentoo.org.
Synopsis
A vulnerability has been found in D-Bus possibly resulting in a local Denial of Service.
Background
D-Bus is a message bus system, a simple way for applications to talk to one another.
Affected Packages
------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 sys-apps/dbus < 1.10.12 >= 1.10.12
Impact
===== A local attacker could cause a Denial of Service condition or possibly execute arbitrary code.
Workaround
The vulnerable D-Bus interface is intended only for use by systemd
running as root.
The administrator can install a policy which denies sending from
org.freedesktop.systemd1.Activator" to D-Bus. This will prevent
non-root attackers from reaching the interface in order to exercise
this flaw.
