Qt: Integer overflow

1. Gentoo Linux Security Advisory

Advisory Reference	GLSA 200611-02 / qt
Release Date	November 06, 2006
Latest Revision	February 23, 2007: 02
Impact	normal
Exploitable	remote

Package	Vulnerable versions	Unaffected versions	Architecture(s)
x11-libs/qt	< 4.1.4-r2	>= 4.1.4-r2, revision >= 3.3.6-r4, revision >= 3.3.8	All supported architectures

Related bugreports: #151838

Synopsis

An integer overflow flaw in the Qt pixmap handling could possibly lead to a Denial of Service or the remote execution of arbitrary code.

2. Impact Information

Background

Qt is a cross-platform GUI toolkit, which is used e.g. by KDE.

Description

An integer overflow flaw has been found in the pixmap handling of Qt.

Impact

By enticing a user to open a specially crafted pixmap image in an application using Qt, e.g. Konqueror, a remote attacker could be able to cause an application crash or the execution of arbitrary code with the rights of the user running the application.

3. Resolution Information

Workaround

There is no known workaround at this time.

Resolution

All Qt 3.x users should upgrade to the latest version:

Code Listing 3.1: Resolution

# emerge --sync
# emerge --ask --oneshot --verbose ">=x11-libs/qt-3.3.6-r4"

All Qt 4.x users should upgrade to the latest version:

Code Listing 3.2: Resolution

# emerge --sync
# emerge --ask --oneshot --verbose ">=x11-libs/qt-4.1.4-r2"

4. References

CVE-2006-4811

Updated November 06, 2006

Summary: This is a Gentoo Linux Security Advisory

Security Team
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