Description
SYMNDIS.SYS in Symantec Norton Internet Security 2003 and 2004, Norton Personal Firewall 2003 and 2004, Client Firewall 5.01 and 5.1.1, and Client Security 1.0 and 1.1 allow remote attackers to cause a denial of service (infinite loop) via a TCP packet with (1) SACK option or (2) Alternate Checksum Data option followed by a length of zero.
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
- Symantec Client Firewall Products 5 - 'SYMNDIS.SYS' Driver Remote Denial of Service EDB-23846 · dos · Mar 18, 2004 · verified
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
References
- 1009379 vdb-entry
- http://www.symantec.com/avcenter/security/Content/2004.04.20.html
- 1009380 vdb-entry
- norton-firewalls-dos(15433) vdb-entry
- symantec-firewall-tcp-dos(15936) vdb-entry
- http://www.eeye.com/html/Research/Upcoming/20040309.html
- 20040423 EEYE: Symantec Multiple Firewall TCP Options Denial of Service mailing-list
- 9912 vdb-entry