293 matches found
Raptor Firewall FTP Bounce vulnerability
Raptor Firewall FTP Bounce vulnerability Summary: The Raptor Firewall can make an FTP server behind it vulnerable to the well-known FTP bounce vulnerability even if the FTP server used is not susceptible to this issue. Overview: While performing a penetration test for a customer, we discovered th...
Linux kernel netfilter IRC DCC helper module creates overly permissive firewall rules
Overview The "netfilter" firewall subsystem included with Linux kernel versions 2.4.x contains a vulnerability that may allow remote attackers to reach hosts that should be protected. Description The "netfilter" subsystem included with Linux kernel versions 2.4.x provides a framework for services...
ZoneAlarm Pro 1.02.x - Outbound Packet Bypass
ZoneAlarm Pro 1.02.x - Outbound Packet Bypass source: https://www.securityfocus.com/bid/3647/info Due to a common design error, it may be possible for outbound packets to bypass packet filtering in many personal firewalls. Many of these applications only block packets created by the standard...
ZoneAlarm Pro 1.0/2.x - Outbound Packet Bypass
source: https://www.securityfocus.com/bid/3647/info Due to a common design error, it may be possible for outbound packets to bypass packet filtering in many personal firewalls. Many of these applications only block packets created by the standard Windows protocol adapter. It is possible for a use...
CVE-2001-0929
Cisco IOS Firewall Feature set, aka Context Based Access Control CBAC or Cisco Secure Integrated Software, for IOS 11.2P through 12.2T does not properly check the IP protocol type, which could allow remote attackers to bypass access control lists...
Important: Red Hat Security Advisory: kernel 2.2 and 2.4
Syncookies are used to protect a system against certain Denial Of Service DOS attacks. A flaw in this mechanism has been found which can be used to circumvent certain types of firewall configurations. Note: syncookies are not enabled in the default installation of Red Hat Linux but many server...
CVE-2001-0405
Concrete details: CVE-2001-0405 affects ip_conntrack_ftp inside the Linux 2.4 iptables RELATED connection tracking. A crafted FTP PORT command could cause the firewall to allow an arbitrary IP/port through the RELATED table, bypassing access restrictions. Implication: arbitrary firewall holes for...
Malformed Fragmented Packets DoS Dlink Firewall/Routers
/ / // / / / / / / Fate Research Labs Security Advisory / / // Networking Division // / // -------------------------------------------------------------------- Details: DLink Firewall/Router Vulnerable to Malformed Fragmented Packets Advisory ID: F8-DLINK20010906 Issue date: 062001SEPT Fate...
Check Point RDP Bypass Vulnerability
Overview Check Point VPN-1/FireWall-1 version 4.0 & 4.1 may allow an intruder to pass traffic through the firewall on port 259. Description Firewall-1 and VPN-1 include support for RDP, but do not provide adequate security controls for RDP data. By adding a faked RDP header to typical UDP traffic...
Tele2 CVE-2001-0376 Remote Security Vulnerability
SonicWALL Tele2 and SOHO firewalls with 6.0.0.0 firmware using IPSEC with IKE pre-shared keys do not allow for the use of full 128 byte IKE pre-shared keys, which is the intended design of the IKE pre-shared key, and only support 48 byte keys. This allows a remote attacker to brute force attack t...
01-2001.txt
===== Tempest Security Technologies - Advisory 01 / 2001 ============== Security flaw in Linux 2.4 IPTables using FTP PORT -------------------------------------------------- Tempest Security Technologies, a business unit of CESAR - Centro de Estudos e Sistemas Avançados do Recife Author: Cristian...
Linux Kernel 2.4 - IPTables FTP Stateful Inspection Arbitrary Filter Rule Insertion
source: https://www.securityfocus.com/bid/2602/info The Linux kernel includes a built-in firewall implementation called IPTables. IPTables supports stateful inspection of several application protocols, one of which is FTP. The inspection is used to facilitate outgoing PORT connections for FTP dat...
Cisco PIX 4.x/5.x TACACS+ - Denial of Service
source: https://www.securityfocus.com/bid/2551/info PIX is an enterprise firewall engineered and maintained by Cisco Systems. It is designed to provide robust features and multiple methods of access control and filtering. A problem with the PIX could allow a denial of service. PIX firewalls using...
CVE-2001-0203
Watchguard Firebox II firewall allows users with read-only access to gain read-write access, and administrative privileges, by accessing a file that contains hashed passphrases, and using the hashes during authentication...
Watchguard Firewall Elevated Privilege Vulnerability
I have found that the embedded Linux-based Watchguard Firebox II Firewall product range is vulnerable to read-write access using only a read-only passphrase. This gives a read-only user the ability to make changes to the firewall remotely without either authorization or a read-write passphrase. T...
Дырка в Watchguard Firewall
Имея доступ только на чтение можно получить ключевой файл, содержащий ключи полного доступа...
Check Point Software Firewall-1 4.1 SP2 - Fast Mode TCP Fragment
// source: https://www.securityfocus.com/bid/2143/info Check Point Software's VPN-1 and Firewall-1 products contain a vulnerability in their "Fast Mode" option that may allow an attacker to bypass access control restrictions and access certain blocked services. Fast Mode is a setting that turns o...
Дырка в Firewall-1 Session Agent
Session Agent принимает соединение со стороны сервера на порт 261, при после чего проводится авторизация. Установив TCP-соединение на этот порт можно спровоцировать отказ в обслуживании, т.к. сервер не сможет соединиться, кроме того в более старых клиентах не поддерживается шифрование данных, что...
Firewall-1 session agent 3.0 -> 4.1, dictionnary and brute force attack
hi, every session agents from 3.0 to 4.1 4.1 included, all plateforms are vulnerables to a brute force and dictionnary style password attack. while authenticating a user through his port 261, firewall modules send a "331 User:" string to the agent, wait for an answer, and then reply with a "220...
firewall-1.fragment.txt
SCLAIMER It was never my intent to identify a DoS attack on FW-1. I was attempting to research and understand how FW-1 handles IP Fragmentation. Everthing that follows is a result of that research. Full findings of my research can be found at http://www.enteract.com/lspitz/fwtable.html. On...