- Credits: John Page (aka hyp3rlinx)
- Website: hyp3rlinx.altervista.org
- Source: http://hyp3rlinx.altervista.org/advisories/HFS-HTTP-FILE-SERVER-v2.3-REMOTE-BUFFER-OVERFLOW-DoS.txt
- ISR: ApparitionSec
- Exploit Author: hyp3rlinx
- Vendor – www.rejetto.com
This vulnerability allows an remote attackers to trigger an invalid-pointer write access violation via concurrent HTTP requests with a long URI or long HTTP headers like Cookie, User-Agent etc. Remote unauthenticated attackers can send concurrent HTTP requests using an incrementing or specific payload range of junk characters for values in the URL parameters or HTTP headers sent to the server. This results in hfs.exe server crash from an invalid pointer write access violation.
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A keen learner and passionate IT student. He has done Web designing, CCNA, RedHat, Ethical hacking, Network & web penetration testing. Currently, he is completing his graduation and learning about Red teaming, CTF challenges & Blue teaming.