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Debian Security Advisory DSA 3161-1 (dbus - security update)

Information

Severity

Severity

Low

Family

Family

Debian Local Security Checks

CVSSv2 Base

CVSSv2 Base

1.9

CVSSv2 Vector

CVSSv2 Vector

AV:L/AC:M/Au:N/C:N/I:N/A:P

Solution Type

Solution Type

Vendor Patch

Created

Created

7 years ago

Modified

Modified

1 year ago

Summary

Simon McVittie discovered a local denial of service flaw in dbus, an asynchronous inter-process communication system. On systems with systemd-style service activation, dbus-daemon does not prevent forged ActivationFailure messages from non-root processes. A malicious local user could use this flaw to trick dbus-daemon into thinking that systemd failed to activate a system service, resulting in an error reply back to the requester.

Affected Software

Affected Software

dbus on Debian Linux

Detection Method

Detection Method

This check tests the installed software version using the apt package manager.

Solution

Solution

For the stable distribution (wheezy), this problem has been fixed in version 1.6.8-1+deb7u6. For the unstable distribution (sid), this problem has been fixed in version 1.8.16-1. We recommend that you upgrade your dbus packages.

Common Vulnerabilities and Exposures (CVE)