Description
Buffer overflow in the SSLv2 support in Zeus Web Server before 4.3r5 allows remote attackers to cause a denial of service (daemon crash) or possibly execute arbitrary code via a long string in an invalid Client Hello message.
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
- Zeus Web Server 4.x - 'SSL2_CLIENT_HELLO' Remote Buffer Overflow (PoC) EDB-33531 · dos · Jan 15, 2010 · verified
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
References
- ADV-2010-0147 vdb-entry
- 61699 vdb-entry
- http://support.zeus.com/zws/news/2010/01/13/zws_4_3r5_released
- http://support.zeus.com/zws/media/docs/4.3/RELEASE_NOTES
- 1023465 vdb-entry
- http://intevydis.com/vd-list.shtml
- 37829 vdb-entry
- 38056 third-party-advisory
- http://intevydis.blogspot.com/2010/01/zeus-web-server-ssl2clienthello.html