CVE-2010-2621: Input Validation
First published: Fri Jul 02 2010(Updated: )
The QSslSocketBackendPrivate::transmit function in src_network_ssl_qsslsocket_openssl.cpp in Qt 4.6.3 and earlier allows remote attackers to cause a denial of service (infinite loop) via a malformed request.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Qt | <=4.6.3 | |
| Trolltech Qt | =4.0.0 | |
| Trolltech Qt | =4.0.1 | |
| Trolltech Qt | =4.1.0 | |
| Trolltech Qt | =4.1.1 | |
| Trolltech Qt | =4.1.2 | |
| Trolltech Qt | =4.1.3 | |
| Trolltech Qt | =4.1.4 | |
| Trolltech Qt | =4.1.5 | |
| Trolltech Qt | =4.2.0 | |
| Trolltech Qt | =4.2.1 | |
| Trolltech Qt | =4.2.3 | |
| Trolltech Qt | =4.3.0 | |
| Trolltech Qt | =4.3.1 | |
| Trolltech Qt | =4.3.2 | |
| Trolltech Qt | =4.3.3 | |
| Trolltech Qt | =4.3.4 | |
| Trolltech Qt | =4.3.5 | |
| Trolltech Qt | =4.4.0 | |
| Trolltech Qt | =4.4.1 | |
| Trolltech Qt | =4.4.2 | |
| Trolltech Qt | =4.4.3 | |
| Trolltech Qt | =4.5.0 | |
| Trolltech Qt | =4.5.1 | |
| Trolltech Qt | =4.5.2 | |
| Trolltech Qt | =4.5.3 | |
| Trolltech Qt | =4.6.0 | |
| Trolltech Qt | =4.6.0-rc1 | |
| Trolltech Qt | =4.6.1 | |
| Trolltech Qt | =4.6.2 |
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Reference Links
- http://aluigi.org/adv/qtsslame-adv.txt
- http://aluigi.org/poc/qtsslame.zip
- http://osvdb.org/65860
- http://qt.gitorious.org/qt/qt/commit/c25c7c9bdfade6b906f37ac8bad44f6f0de57597
- http://secunia.com/advisories/40389
- http://secunia.com/advisories/46410
- http://www.securityfocus.com/bid/41250
- http://www.vupen.com/english/advisories/2010/1657
- https://hermes.opensuse.org/messages/12056605
Frequently Asked Questions
What is the severity of CVE-2010-2621?
CVE-2010-2621 is classified as a denial of service vulnerability that can lead to an infinite loop.
How do I fix CVE-2010-2621?
To address CVE-2010-2621, upgrade to a version of Qt later than 4.6.3 where the vulnerability has been resolved.
What versions of Qt are affected by CVE-2010-2621?
CVE-2010-2621 affects Qt versions 4.6.3 and earlier, including all versions from 4.0.0 to 4.6.2.
Can CVE-2010-2621 be exploited remotely?
Yes, CVE-2010-2621 can be exploited by remote attackers through a malformed request, leading to a denial of service.
What impact does CVE-2010-2621 have on applications using Qt?
Applications using affected versions of Qt may experience service interruption due to the infinite loop triggered by the vulnerability.
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