CVE-2013-4549: Input Validation
First published: Mon Dec 23 2013(Updated: )
QXmlSimpleReader in Qt before 5.2 allows context-dependent attackers to cause a denial of service (memory consumption) via an XML Entity Expansion (XEE) attack.
Credit: secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Qt | <=5.1.0 | |
| Trolltech Qt | =5.0.0 | |
| Trolltech Qt | =5.0.1 | |
| Trolltech Qt | =5.0.2 |
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Reference Links
- http://blog.qt.digia.com/blog/2014/04/24/qt-4-8-6-released/
- http://lists.fedoraproject.org/pipermail/package-announce/2014-May/132395.html
- http://lists.opensuse.org/opensuse-updates/2014-01/msg00044.html
- http://lists.opensuse.org/opensuse-updates/2014-01/msg00047.html
- http://lists.opensuse.org/opensuse-updates/2014-01/msg00085.html
- http://lists.opensuse.org/opensuse-updates/2014-01/msg00104.html
- http://lists.opensuse.org/opensuse-updates/2014-01/msg00106.html
- http://lists.qt-project.org/pipermail/announce/2013-December/000036.html
- http://secunia.com/advisories/56008
- http://secunia.com/advisories/56166
- http://www.ubuntu.com/usn/USN-2057-1
- https://codereview.qt-project.org/#change%2C71010
- https://codereview.qt-project.org/#change%2C71368
Frequently Asked Questions
What is the severity of CVE-2013-4549?
CVE-2013-4549 has a medium severity level as it allows for denial of service due to excessive memory consumption.
What software versions are affected by CVE-2013-4549?
CVE-2013-4549 affects Qt versions prior to 5.2, specifically versions up to and including 5.1.0.
How do I fix CVE-2013-4549?
To mitigate CVE-2013-4549, upgrade to Qt version 5.2 or later.
What type of attack does CVE-2013-4549 enable?
CVE-2013-4549 enables an XML Entity Expansion (XEE) attack that can lead to denial of service.
Is CVE-2013-4549 related to XML processing vulnerabilities?
Yes, CVE-2013-4549 is directly related to vulnerabilities in XML processing, allowing attackers to exploit entity expansion.
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- vendor/digia
- canonical/qt
- version/qt/5.1.0
- vendor/qt
- canonical/trolltech qt
- version/trolltech qt/5.0.0
- version/trolltech qt/5.0.1
- version/trolltech qt/5.0.2