Executive Summary
| Summary | |
|---|---|
| Title | D-Bus vulnerability |
| Informations | |||
|---|---|---|---|
| Name | USN-799-1 | First vendor Publication | 2009-07-13 |
| Vendor | Ubuntu | Last vendor Modification | 2009-07-13 |
| Severity (Vendor) | N/A | Revision | N/A |
Security-Database Scoring CVSS v2
| Cvss vector : (AV:L/AC:L/Au:N/C:N/I:P/A:P) | |||
|---|---|---|---|
| Cvss Base Score | 3.6 | Attack Range | Local |
| Cvss Impact Score | 4.9 | Attack Complexity | Low |
| Cvss Expoit Score | 3.9 | Authentification | None Required |
| Calculate full CVSS 2.0 Vectors scores | |||
Detail
A security issue affects the following Ubuntu releases: Ubuntu 6.06 LTS Ubuntu 8.04 LTS Ubuntu 8.10 Ubuntu 9.04 This advisory also applies to the corresponding versions of Kubuntu, Edubuntu, and Xubuntu. The problem can be corrected by upgrading your system to the following package versions: Ubuntu 6.06 LTS: libdbus-1-2 0.60-6ubuntu8.4 Ubuntu 8.04 LTS: libdbus-1-3 1.1.20-1ubuntu3.3 Ubuntu 8.10: libdbus-1-3 1.2.4-0ubuntu1.1 Ubuntu 9.04: libdbus-1-3 1.2.12-0ubuntu2.1 After a standard system upgrade you need to reboot your computer to effect the necessary changes. Details follow: It was discovered that the D-Bus library did not correctly validate signatures. If a local user sent a specially crafted D-Bus key, they could spoof a valid signature and bypass security policies. |
Original Source
| Url : http://www.ubuntu.com/usn/USN-799-1 |
CWE : Common Weakness Enumeration
| id | Name |
|---|---|
| CWE-20 | Improper Input Validation |
OVAL Definitions
| Definition Id: oval:org.mitre.oval:def:10308 | |||
| Oval ID: | oval:org.mitre.oval:def:10308 | ||
| Title: | The _dbus_validate_signature_with_reason function (dbus-marshal-validate.c) in D-Bus (aka DBus) before 1.2.14 uses incorrect logic to validate a basic type, which allows remote attackers to spoof a signature via a crafted key. NOTE: this is due to an incorrect fix for CVE-2008-3834. | ||
| Description: | The _dbus_validate_signature_with_reason function (dbus-marshal-validate.c) in D-Bus (aka DBus) before 1.2.14 uses incorrect logic to validate a basic type, which allows remote attackers to spoof a signature via a crafted key. NOTE: this is due to an incorrect fix for CVE-2008-3834. | ||
| Family: | unix | Class: | vulnerability |
| Reference(s): | CVE-2009-1189 |
Version: | 5 |
| Platform(s): | Red Hat Enterprise Linux 5 CentOS Linux 5 Oracle Linux 5 |
Product(s): | |
| Definition Synopsis: | |||
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CPE : Common Platform Enumeration
Open Source Vulnerability Database (OSVDB)
| id | Description |
|---|---|
| 56165 | D-Bus dbus-marshal-validate.c _dbus_validate_signature_with_reason Function C... |
Alert History
| Date | Informations |
|---|---|
| 2013-05-11 00:56:05 |
|

USN-799-1
(Low)






