Vulnerability Monitor

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CVE-2011-2200

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.

Security Impact Summary

CVE-2011-2200 is a security vulnerability that . Impacting 2 products from freedesktop, from d-bus_project organizations running these solutions should prioritize assessment and patching.

Historical Context

Documented in 2011, this vulnerability occurred amid the cloud computing expansion era, where traditional network perimeter security models were being reevaluated. Organizations were transitioning from isolated infrastructure to interconnected systems, creating new attack surfaces that vulnerabilities like this could exploit.

Published

2011-06-22T22:55:04.107

Last Modified

2025-04-11T00:51:21.963

Status

Deferred

Source

[email protected]

Severity

CVSSv2: 4.6 (MEDIUM)

CVSSv2 Vector

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

Access Vector: LOCAL
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: PARTIAL
Integrity Impact: PARTIAL
Availability Impact: PARTIAL

Exploitability Score

3.9

Impact Score

6.4

Weaknesses

Type: Primary
CWE-20

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	freedesktop	dbus	1.5.0	Yes
Application	freedesktop	dbus	1.5.2	Yes
Application	freedesktop	dbus	1.4.0	Yes
Application	freedesktop	dbus	1.4.1	Yes
Application	freedesktop	dbus	1.4.4	Yes
Application	freedesktop	dbus	1.4.6	Yes
Application	freedesktop	dbus	1.4.8	Yes
Application	freedesktop	dbus	1.4.10	Yes
Application	d-bus_project	d-bus	1.2.4.2	Yes
Application	d-bus_project	d-bus	1.2.4.4	Yes
Application	d-bus_project	d-bus	1.2.4.6	Yes
Application	freedesktop	dbus	1.2.1	Yes
Application	freedesktop	dbus	1.2.2	Yes
Application	freedesktop	dbus	1.2.3	Yes
Application	freedesktop	dbus	1.2.4	Yes
Application	freedesktop	dbus	1.2.6	Yes
Application	freedesktop	dbus	1.2.8	Yes
Application	freedesktop	dbus	1.2.10	Yes
Application	freedesktop	dbus	1.2.12	Yes
Application	freedesktop	dbus	1.2.14	Yes
Application	freedesktop	dbus	1.2.16	Yes
Application	freedesktop	dbus	1.2.18	Yes
Application	freedesktop	dbus	1.2.20	Yes
Application	freedesktop	dbus	1.2.22	Yes
Application	freedesktop	dbus	1.2.24	Yes
Application	freedesktop	dbus	1.2.26	Yes

References

http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=629938 ([email protected])
http://cgit.freedesktop.org/dbus/dbus/commit/?h=dbus-1.2&id=6519a1f77c61d753d4c97efd6e15630eb275336e Patch ([email protected])
http://cgit.freedesktop.org/dbus/dbus/commit/?h=dbus-1.4&id=c3223ba6c401ba81df1305851312a47c485e6cd7 Patch ([email protected])
http://cgit.freedesktop.org/dbus/dbus/tree/NEWS?h=dbus-1.2 Patch ([email protected])
http://cgit.freedesktop.org/dbus/dbus/tree/NEWS?h=dbus-1.4 ([email protected])
http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10705 ([email protected])
http://lists.freedesktop.org/archives/dbus/2007-March/007357.html ([email protected])
http://lists.freedesktop.org/archives/dbus/2011-May/014408.html ([email protected])
http://openwall.com/lists/oss-security/2011/06/12/1 Patch ([email protected])
http://openwall.com/lists/oss-security/2011/06/12/2 ([email protected])
http://openwall.com/lists/oss-security/2011/06/13/12 Patch ([email protected])
http://secunia.com/advisories/44896 Vendor Advisory ([email protected])
http://www.redhat.com/support/errata/RHSA-2011-1132.html ([email protected])
https://bugs.freedesktop.org/show_bug.cgi?id=38120 ([email protected])
https://bugzilla.redhat.com/show_bug.cgi?id=712676 Patch ([email protected])
https://exchange.xforce.ibmcloud.com/vulnerabilities/67974 ([email protected])
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=629938 (af854a3a-2127-422b-91ae-364da2661108)
http://cgit.freedesktop.org/dbus/dbus/commit/?h=dbus-1.2&id=6519a1f77c61d753d4c97efd6e15630eb275336e Patch (af854a3a-2127-422b-91ae-364da2661108)
http://cgit.freedesktop.org/dbus/dbus/commit/?h=dbus-1.4&id=c3223ba6c401ba81df1305851312a47c485e6cd7 Patch (af854a3a-2127-422b-91ae-364da2661108)
http://cgit.freedesktop.org/dbus/dbus/tree/NEWS?h=dbus-1.2 Patch (af854a3a-2127-422b-91ae-364da2661108)
http://cgit.freedesktop.org/dbus/dbus/tree/NEWS?h=dbus-1.4 (af854a3a-2127-422b-91ae-364da2661108)
http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10705 (af854a3a-2127-422b-91ae-364da2661108)
http://lists.freedesktop.org/archives/dbus/2007-March/007357.html (af854a3a-2127-422b-91ae-364da2661108)
http://lists.freedesktop.org/archives/dbus/2011-May/014408.html (af854a3a-2127-422b-91ae-364da2661108)
http://openwall.com/lists/oss-security/2011/06/12/1 Patch (af854a3a-2127-422b-91ae-364da2661108)
http://openwall.com/lists/oss-security/2011/06/12/2 (af854a3a-2127-422b-91ae-364da2661108)
http://openwall.com/lists/oss-security/2011/06/13/12 Patch (af854a3a-2127-422b-91ae-364da2661108)
http://secunia.com/advisories/44896 Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.redhat.com/support/errata/RHSA-2011-1132.html (af854a3a-2127-422b-91ae-364da2661108)
https://bugs.freedesktop.org/show_bug.cgi?id=38120 (af854a3a-2127-422b-91ae-364da2661108)
https://bugzilla.redhat.com/show_bug.cgi?id=712676 Patch (af854a3a-2127-422b-91ae-364da2661108)
https://exchange.xforce.ibmcloud.com/vulnerabilities/67974 (af854a3a-2127-422b-91ae-364da2661108)

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For freedesktop's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.