Executive Summary

Summary
Title DBus vulnerability
Informations
NameUSN-4015-2First vendor Publication2019-06-12
VendorUbuntuLast vendor Modification2019-06-12
Severity (Vendor) N/ARevisionN/A

Security-Database Scoring CVSS v2

Cvss vector : (AV:L/AC:L/Au:N/C:P/I:P/A:N)
Cvss Base Score3.6Attack RangeLocal
Cvss Impact Score4.9Attack ComplexityLow
Cvss Expoit Score3.9AuthenticationNone Required
Calculate full CVSS 2.0 Vectors scores

Detail

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 14.04 ESM - Ubuntu 12.04 ESM

Summary:

DBus could allow unintended access to services.

Software Description: - dbus: simple interprocess messaging system

Details:

USN-4015-1 fixed a vulnerability in DBus. This update provides the corresponding update for Ubuntu 12.04 ESM and Ubuntu 14.04 ESM.

Original advisory details:

Joe Vennix discovered that DBus incorrectly handled DBUS_COOKIE_SHA1
authentication. A local attacker could possibly use this issue to bypass
authentication and connect to DBus servers with elevated privileges.

Update instructions:

The problem can be corrected by updating your system to the following package versions:

Ubuntu 14.04 ESM:
dbus 1.6.18-0ubuntu4.5+esm1
libdbus-1-3 1.6.18-0ubuntu4.5+esm1

Ubuntu 12.04 ESM:
dbus 1.4.18-1ubuntu1.9
libdbus-1-3 1.4.18-1ubuntu1.9

After a standard system update you need to reboot your computer to make all the necessary changes.

References:
https://usn.ubuntu.com/4015-2
https://usn.ubuntu.com/4015-1
CVE-2019-12749

Original Source

Url : http://www.ubuntu.com/usn/USN-4015-2

CWE : Common Weakness Enumeration

%idName
100 %CWE-287Improper Authentication

CPE : Common Platform Enumeration

TypeDescriptionCount
Os4

Alert History

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0
1
DateInformations
2019-06-12 21:21:51
  • Multiple Updates
2019-06-12 21:18:47
  • First insertion