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Last updated: 12/22/2014 2:51:20 PM

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Vulnerability Summary for CVE-2011-2200

Original release date: 06/22/2011
Last revised: 07/11/2014
Source: US-CERT/NIST

Overview

The _dbus_header_byteswap function in dbus-marshal-header.c in D-Bus (aka DBus) 1.2.x before 1.2.28, 1.4.x before 1.4.12, and 1.5.x before 1.5.4 does not properly handle a non-native byte order, which allows local users to cause a denial of service (connection loss), obtain potentially sensitive information, or conduct unspecified state-modification attacks via crafted messages.

Impact

CVSS Severity (version 2.0):
CVSS v2 Base Score: 4.6 (MEDIUM) (AV:L/AC:L/Au:N/C:P/I:P/A:P) (legend)
Impact Subscore: 6.4
Exploitability Subscore: 3.9
CVSS Version 2 Metrics:
Access Vector: Locally exploitable
Access Complexity: Low
Authentication: Not required to exploit
Impact Type: Allows unauthorized disclosure of information; Allows unauthorized modification; Allows disruption of service

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External Source: SECUNIA
Name: 44896
Type: Advisory
External Source: MLIST
Name: [oss-security] 20110612 CVE Request -- dbus -- Local DoS via messages with non-native byte order
Type: Patch Information
External Source: CONFIRM
Name: http://cgit.freedesktop.org/dbus/dbus/tree/NEWS?h=dbus-1.2
Type: Patch Information
External Source: CONFIRM
Name: http://cgit.freedesktop.org/dbus/dbus/commit/?h=dbus-1.4&id=c3223ba6c401ba81df1305851312a47c485e6cd7
Type: Patch Information
External Source: MLIST
Name: [dbus] 20110530 D-Bus daemon big and little endian issue
External Source: CONFIRM
Name: http://cgit.freedesktop.org/dbus/dbus/tree/NEWS?h=dbus-1.4
External Source: CONFIRM
Name: https://bugs.freedesktop.org/show_bug.cgi?id=38120
External Source: CONFIRM
Name: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=629938
External Source: MLIST
Name: [oss-security] 20110612 Bug#629938: Info received (CVE Request -- dbus -- Local DoS via messages with non-native byte order)
External Source: CONFIRM
Name: http://cgit.freedesktop.org/dbus/dbus/commit/?h=dbus-1.2&id=6519a1f77c61d753d4c97efd6e15630eb275336e
Type: Patch Information
External Source: XF
Name: dbus-nonnative-dos(67974)
External Source: CONFIRM
Name: https://bugzilla.redhat.com/show_bug.cgi?id=712676
Type: Patch Information
External Source: REDHAT
Name: RHSA-2011:1132
External Source: MLIST
Name: [dbus] 20070317 D-Bus daemon endianness issue
External Source: MLIST
Name: [oss-security] 20110613 Re: CVE Request -- dbus -- Local DoS via messages with non-native byte order
Type: Patch Information

Technical Details

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