Description
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.
Public exploits
Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.
Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.
Exploit-DB 1
- Qt 4.6.3 - 'QSslSocketBackendPrivate::transmit()' Denial of Service EDB-14268 · dos · Jul 8, 2010 · verified
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
References
- 46410 third-party-advisory
- ADV-2010-1657 vdb-entry
- http://aluigi.org/poc/qtsslame.zip
- 41250 vdb-entry
- 65860 vdb-entry
- 40389 third-party-advisory
- http://qt.gitorious.org/qt/qt/commit/c25c7c9bdfade6b906f37ac8bad44f6f0de57597
- SUSE-SU-2011:1113 vendor-advisory
- http://aluigi.org/adv/qtsslame-adv.txt