MeeGo alert MeeGo-SA-10:22 (qt)

From:
    	     
 
"Ware, Ryan R" <ryan.r.ware@intel.com> 
To:
    	     
 
"meego-security@meego.com" <meego-security@meego.com> 
Subject:
    	     
 
[MeeGo-security] [MeeGo-SA-10:22.qt] Off By 1 Error in QT Causes
	Denial of Service 
Date:
    	     
 
Tue, 18 Jan 2011 20:53:02 -0700
Message-ID:
    	     
 
<286058C3-C037-465D-B205-4939CCC76A14@intel.com>

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=============================================================================
MeeGo-SA-10:22.qt				            Security Advisory
                                                                MeeGo Project

Topic:          Off By 1 Error in QT Causes Denial of Service

Category:       Graphics
Module:         qt
Announced:      September 3, 2010
Affects:        MeeGo 1.0
Corrected:      September 3, 2010
MeeGo BID:	3999
CVE:		CVE-2010-1766

For general information regarding MeeGo Security Advisories,
including descriptions of the fields above, security branches, and the
following sections, please visit <URL:http://www.MeeGo.com/>.

I.   Background

Qt is a cross-platform application and UI framework. Using Qt, you can write
web-enabled applications once and deploy them across desktop, mobile and
embedded operating systems without rewriting the source code.

II.  Problem Description

CVE-2010-1766: ff-by-one error in the
WebSocketHandshake::readServerHandshake function in
websockets/WebSocketHandshake.cpp in WebCore in WebKit before r56380,
as used in Qt and other products, allows remote websockets servers to
cause a denial of service (memory corruption) or possibly have
unspecified other impact via an upgrade header that is long and
invalid.
CVSS v2 Base: 7.5 (HIGH)
Access Vector: Network exploitable

III. Impact

CVE-2010-1766: Denial of service or arbitrary code execution via
numeric errors (CWE-189)

IV.  Workaround

None

V.   Solution

Update to package qt-4.6.2-4.2 or later.

VI. References

http://bugs.meego.com/show_bug.cgi?id=3999
http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2010-...
http://cwe.mitre.org/data/definitions/189.html
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