1876 matches found
kernel security update
CentOS Errata and Security Advisory CESA-2005:293 Updated kernel packages that fix several security issues in the Red Hat Enterprise Linux 3 kernel are now available. This security advisory has been rated as having important security impact by the Red Hat Security Response Team. The Linux kernel...
Microsoft Windows XP - TCP Packet Fragmentation Handling Denial of Service (4)
Microsoft Windows XP - TCP Packet Fragmentation Handling Denial of Service 4 // source: https://www.securityfocus.com/bid/11258/info Multiple vendor implementations of the TCP stack are reported prone to a remote denial-of-service vulnerability. The issue is reported to present itself due to...
CVE-2003-0364
CVE-2003-0364 affects the Linux kernel 2.4 series: TCP/IP fragment reassembly handling can be abused by crafted packets to trigger high CPU usage via hash table collisions, leading to a denial of service. Debians OpenVAS entries reference kernel updates (e.g., kernel-patch-2.4.18-powerpc, kernel-...
D-Link DI-614 wiresless router crash/reboots
A user of ours has reported that the D-Link DI-614+ Wireless router/firewall is vulnerable to several old, well known vulnerablities. The user was able to reproduce the problem multiple times with consistent results. Not having the equipment, we have NOT reproduced these ourselves, and would...
CVE-2003-0085
Samba vulnerability CVE-2003-0085 is a remote, unauthenticated buffer overflow in the SMB/CIFS packet fragment re-assembly code used by smbd, affecting Samba prior to 2.2.8 and Samba-TNG prior to 0.3.1. An attacker could remotely execute arbitrary code (often with root privileges) by sending craf...
CVE-2001-0865
Cisco 12000 Series Routers (IOS 12.0) with Engine 2 line cards are affected by CVE-2001-0865. The issue is that the outgoing ACL implementation does not support the fragment keyword, potentially allowing fragmented packets to bypass the ACL as configured (violation of intended access). The descri...
CVE-2001-0867
Cisco 12000 with IOS 12.0 and line cards based on Engine 2 does not properly filter does not properly filter packet fragments even when the "fragment" keyword is used in an ACL, which allows remote attackers to bypass the intended access controls...
CVE-2001-0862
Cisco 12000 with IOS 12.0 and line cards based on Engine 2 does not block non-initial packet fragments, which allows remote attackers to bypass the ACL...
Cisco IOS discloses fragments of previous packets when Express Forwarding is enabled
Overview A vulnerability exists in multiple versions of Cisco's Internetworking Operating System IOS software that allows an attacker to collect fragments of previously processed packets. Description Many networking devices running Cisco IOS with Cisco Express Forwarding CEF enabled contain a...
ZYXEL Prestige 681 SDSL Router - IP Fragment Reassembly
ZYXEL Prestige 681 SDSL Router - IP Fragment Reassembly source: https://www.securityfocus.com/bid/3711/info Prestige is a product line of DSL routers produced and distributed by Zyxel. When a Zyxel router receives fragmented packets that after reassembly is greater than 64 kilobytes in length, th...
ZYXEL Prestige 681 SDSL Router - IP Fragment Reassembly
source: https://www.securityfocus.com/bid/3711/info Prestige is a product line of DSL routers produced and distributed by Zyxel. When a Zyxel router receives fragmented packets that after reassembly is greater than 64 kilobytes in length, the router crashes. The router must be power cycled to...
CVE-2001-0862
Cisco 12000 with IOS 12.0 and line cards based on Engine 2 does not block non-initial packet fragments, which allows remote attackers to bypass the ACL...
CVE-2001-0863
Cisco 12000 with IOS 12.0 and line cards based on Engine 2 does not handle the "fragment" keyword in a compiled ACL Turbo ACL for packets that are sent to the router, which allows remote attackers to cause a denial of service via a flood of fragments...
Netscape/Mozilla и доступ к специальным файлам во всех OS (special device access)
При чтении html фрагмента вида img src="file:///dev/tty0" Netscape & Mozzilla подвешивают систему...
Microsoft IIS Source Fragment Disclosure
Microsoft IIS 4.0 and 5.0 can be made to disclose fragments of source code which should otherwise be inaccessible. This is done by appending '+.htr' to a request for a known '.asp' or '.asa', '.ini', 'etc' file. %NASLMINLEVEL 70300 Test Microsoft IIS 4.0/5.0 Source Fragment Disclosure Vulnerabili...
IPFilter 3.x - Fragment Rule Bypass
IPFilter 3.x - Fragment Rule Bypass source: https://www.securityfocus.com/bid/2545/info IPFilter is a packet filtering implementation that is in wide use on a variety of Unix systems. There exists a vulnerability in IPFilter that can allow an attacker to communicate with blocked ports on hosts...
Уязвимость ipfilter (fragment caching filter bypass)
При проверке фрагментированного пакета не проверяются порты и флаги пакета, только адреса и ip id, если ip id имеется в кэше...
IPFilter 3.x - Fragment Rule Bypass
source: https://www.securityfocus.com/bid/2545/info IPFilter is a packet filtering implementation that is in wide use on a variety of Unix systems. There exists a vulnerability in IPFilter that can allow an attacker to communicate with blocked ports on hosts behind an IPFilter firewall. The...
Serious bug in IPFilter
A VERY serious bug has been brought to my attention in IPFilter. In 10 words or less, fragment caching with can let through "any" packet. Ok, so that's 8. Cause ===== When matching a fragment, only srcip, dstip and IP ID are checked and the fragment cache is checked before any rules are checked. ...