2187 matches found
Multiple BSD ipfw / ip6fw ECE Bit Filtering Evasion
The remote host seems vulnerable to a bug wherein a remote attacker can circumvent the firewall by setting the ECE bit within the TCP flags field. At least one firewall ipfw is known to exhibit this sort of behavior. Known vulnerable systems include all FreeBSD 3.x ,4.x, 3.5-STABLE, and 4.2-STABL...
blackicepro.txt
Hi! I'm using BlackICE PC Protection formerly known as BlackICE Defender for a very long time1, 2. It is one of my favorite hostbased intrusion detection systems and personal firewall for windows. During some tests for a paper on cross site scripting I've seen that there is an evasion possibility...
Corsaire Security Advisory - Symantec Enterprise Firewall (SEF) H TTP URL pattern evasion issue
-- Corsaire Security Advisory -- Title: Symantec Enterprise Firewall SEF HTTP URL pattern evasion issue Date: 24.02.03 Application: Symantec Enterprise Firewall SEF 7.0 Environment: Windows NT 4.0, Windows 2000, Author: Martin O'Neal [email protected] Audience: General Distribution -- Sco...
CVE-2003-0102
Buffer overflow in tryelf in readelf.c of the file command allows attackers to execute arbitrary code as the user running file, possibly via a large entity size value in an ELF header elfhdr.eshentsize...
Re: Corsaire Security Advisory - Clearswift MAILsweeper MIME attachme nt evasion issue
!-- Step 2: Now create a text file that will be used to hold the MIME encoded attachment. Start notepad or another text editor, and paste in: MIME-Version: 1.0 Content-Location:file:///executable.exe Content-Transfer-Encoding: base64 TVp0AQIAAAAgAAgA//8YAIAAAAAQAAIAHgAAAAEAAAAAA...
Corsaire Security Advisory - Clearswift MAILsweeper MIME attachme nt evasion issue
-- Corsaire Security Advisory -- Title: Clearswift MAILsweeper MIME attachment evasion issue Date: 03.03.03 Application: Clearswift MAILsweeper 4.x Environment: Windows NT 4.0, Windows 2000, Author: Martin O'Neal [email protected] Audience: General distribution -- Scope -- The aim of this...
HTTP Proxy Open gopher:// Request Relaying
Gopher is an old network protocol which predates HTTP and is nearly unused today. As a result, gopher-compatible software is generally less audited and more likely to contain security bugs than others. By making gopher requests, an attacker may evade your firewall settings, by making connections ...
CVE-2002-1932
Microsoft Windows XP and Windows 2000, when configured to send administrative alerts and the "Do not overwrite events clear log manually" option is set, does not notify the administrator when the log reaches its maximum size, which allows local users and remote attackers to avoid detection...
HTTP NIDS Evasion
This plugin configures Nessus for NIDS evasion see the 'Prefs' panel. NIDS evasion options are useful if you want to determine the quality of the expensive NIDS you just bought. HTTP evasion techniques : - HEAD: use HEAD method instead of GET - URL encoding: - Hex: change characters to %XX - MS...
NIDS Evasion Options
This plugin configures Nessus for NIDS evasion see the 'Prefs' panel. NIDS evasion options are useful if you want to determine the quality of the expensive NIDS you just bought. TCP Evasion techniques : - Split : send data one byte at a time. This confuses NIDS which do not perform stream...
CVE-2001-0669
CVE-2001-0669 affects multiple IDS products (Cisco Secure IDS, Cisco Catalyst 6000 IDS Module, Dragon Sensor 4.x, Snort before 1.8.1, ISS RealSecure Network Sensor 5.x/6.x before XPU 3.2, and ISS RealSecure Server Sensor 5.5/6.0 for Windows) where an attacker can bypass HTTP attack detection by u...
ISS Security Alert: Multiple Vendor IDS Unicode Bypass Vulnerability
Internet Security Systems Security Alert September 5, 2001 Multiple Vendor IDS Unicode Bypass Vulnerability Synopsis: ISS X-Force is aware of a vulnerability in many commercial and open- source IDS Intrusion Detection System products that may allow attackers to evade detection. Microsoft Web serv...
ISC BIND 8.2.x - 'TSIG' Remote Stack Overflow (3)
/ copyright LAST STAGE OF DELIRIUM feb 2001 poland ://lsd-pl.net/ / / bind 8.2 8.2.1 8.2.2 8.2.2-PX Solaris 2.7 x86 / / The code establishes a TCP connection with port 53 of a target system. / / It makes use of the "infoleek" bug through UDP to obtain the base / / value of the named process frame...
BSD Passive Connection Shellcode
BSD Passive Connection Shellcode. Shellcode exploit for bsd platform ; Passive Connection Shellcode ; ; Coded by Scrippie - [email protected] - http://b0f.freebsd.lublin.pl ; Buffer0verfl0w Security ; Why? This evades firewalls... ; ; YES, this is for NASM, I detest AT&T syntaxis - it's gross and...
BSD Passive Connection Shellcode
Exploit for bsd platform in category shellcode ================================ BSD Passive Connection Shellcode ================================ ; Passive Connection Shellcode ; ; Coded by Scrippie - email protected - http://b0f.freebsd.lublin.pl ; Buffer0verfl0w Security ; Why? This evades...
Cisco PIX Firewall 4.x5.x - SMTP Content Filtering Evasion
Cisco PIX Firewall 4.x5.x - SMTP Content Filtering Evasion source: https://www.securityfocus.com/bid/1698/info Like other firewalls, the Cisco PIX Firewall implements technology that reads the contents of packets passing through it for application-level filtering. In the case of SMTP, it can be...
Cisco PIX Firewall 4.x/5.x - SMTP Content Filtering Evasion
source: https://www.securityfocus.com/bid/1698/info Like other firewalls, the Cisco PIX Firewall implements technology that reads the contents of packets passing through it for application-level filtering. In the case of SMTP, it can be configured so only certain smtp commands can be allowed...
linux/x86 execve /bin/sh toupper() evasion 55 bytes
Exploit for linux/x86 platform in category shellcode =================================================== linux/x86 execve /bin/sh toupper evasion 55 bytes =================================================== / Linux/x86 toupper evasion, standard execve /bin/sh used eg. in various imapd exploits...
linux/x86 execve /bin/sh toupper evasion 55 bytes
linux/x86 execve /bin/sh toupper evasion 55 bytes. Shellcode exploit for linx86 platform / Linux/x86 toupper evasion, standard execve /bin/sh used eg. in various imapd exploits. Goes through a loop adding 0x20 to the /bin/sh -= 0x20 string ie. yields /bin/sh after addition. / include char c0de = ...
