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TITLE:
D-Bus Message Byte Order Denial of Service Weakness

SECUNIA ADVISORY ID:
SA44896

VERIFY ADVISORY:
Secunia.com
http://secunia.com/advisories/44896/
Customer Area (Credentials Required)
https://ca.secunia.com/?page=viewadvisory&vuln_id=44896

RELEASE DATE:
2011-06-10

DISCUSS ADVISORY:
http://secunia.com/advisories/44896/#comments

AVAILABLE ON SITE AND IN CUSTOMER AREA:
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http://secunia.com/advisories/44896/

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https://ca.secunia.com/?page=viewadvisory&vuln_id=44896

ONLY AVAILABLE WITH SECUNIA CSI AND SECUNIA PSI:
 * AUTOMATED SCANNING

http://secunia.com/vulnerability_scanning/personal/
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DESCRIPTION:
A weakness has been reported in D-Bus, which can be exploited by
malicious, local users to cause a DoS (Denial of Service).

The weakness is caused due to an error in D-Bus when processing
messages with a non-native byte order. This can be exploited to e.g.
disconnect D-Bus clients by sending specially crafted messages.

The weakness is reported in version 1.4.10. Other versions may also
be affected.

SOLUTION:
Restrict access to trusted users only.

PROVIDED AND/OR DISCOVERED BY:
Alp Toker

ORIGINAL ADVISORY:
http://lists.freedesktop.org/archives/dbus/2007-March/007357.html
https://bugs.freedesktop.org/show_bug.cgi?id=38120

OTHER REFERENCES:
Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/

DEEP LINKS:
Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/

EXTENDED DESCRIPTION:
Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/

EXTENDED SOLUTION:
Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/

EXPLOIT:
Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/

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About:
This Advisory was delivered by Secunia as a free service to help
private users keeping their systems up to date against the latest
vulnerabilities.

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