CVE-2011-2581

Cisco Nexus NX-OS ACL bypass (CVE-2011-2581) affects Nexus 5000 and 3000 series: placing a remark before a deny in an ACL can allow bypass of access restrictions, enabling remote packet flow in opportunistic scenarios. Root cause: improper handling of comments when paired with deny statements. Af...

Cisco Security Advisory: Cisco Nexus 5000 and 3000 Series Switches Access Control List Bypass Vulnerability

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 Cisco Security Advisory: Cisco Nexus 5000 and 3000 Series Switches Access Control List Bypass Vulnerability Advisory ID: cisco-sa-20110907-nexus Revision 1.0 For Public Release 2011 September 07 1600 UTC GMT...

Cisco Nexus 5000 and 3000 Series Switches Access Control List Bypass Vulnerability

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The Next Security Scandal Will Be An Attack on High Frequency Trading Systems

The U.S. Securities and Exchange Commission voted on Tuesday to impose new rules to help oversee what experts warn is a burgeoning and little understood shadow market of ultra high-speed, computer based trading. But one security expert warns that new reporting rules are only part of the problem...

CVE-2011-2760

Brocade BigIron RX switches allow remote attackers to bypass ACL rules by using 179 as the source port of a packet...

Authentication flaw

Brocade BigIron RX switches allow remote attackers to bypass ACL rules by using 179 as the source port of a packet...

CVE-2011-2760

Brocade BigIron RX switches are affected: an attacker could bypass access control lists by crafting a packet with 179 as the source port, enabling remote bypass of ACL rules. The provided sources describe the vulnerability as a source-port-based bypass but do not specify a fixed patch/version or ...

Authentication flaw

The Neighbor Discovery ND protocol implementation in Cisco IOS on unspecified switches allows remote attackers to bypass the Router Advertisement Guarding functionality via a fragmented IPv6 packet in which the Router Advertisement RA message is contained in the second fragment, as demonstrated b...

Hardware Vendor Offers Backdoor with Every Product

IT administrators know there’s nothing more frustrating than losing administrative access to your network equipment. But Allied Telesis, a Japan-based maker of switches, routers and other networking devices, has a fix: guaranteed backdoors for every product. That revelation comes after a support...

Network access control system PacketFence 2.2 released !

PacketFence is a free and open source network access control NAC system. It can be used to effectively secure networks - from small to very large heterogeneous networks. PacketFence has been deployed in production environments where thousands of users are involved - on wired and wireless networks...

ESA-2011-001: RSA, The Security Division of EMC, addresses RKM 1.5 C Client SQL Injection Vulnerability

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 ESA-2011-001: RSA, The Security Division of EMC, addresses RKM 1.5 C Client SQL Injection Vulnerability Security Advisory Updated January 13, 2011 Summary: The vulnerability that was identified in the RSA Key Manager RKM C client 1.5 which may expose...

Exposing SCADA Systems With Shodan

Editor’s Note: The U.S.’s Industrial Control System Computer Emergency Response Team ICS-CERT recently issued a warning to its members about the ability of attackers to discover ICS systems using a simple search on Shodan, a public search engine that is used to locate systems accessible from the...

Cisco Patches Critical IOS Holes

Cisco has released its twice-yearly set of security updates for its switches and routers. There are six advisories in all, each one covering a different component of the Cisco Internetwork Operating System IOS, which powers the routers. Read the full article. IDG News Service...

Backdoor Password In 3Com / Dell / SMC / Foundry / EdgeCore Switches

On the 15th of august 2009, at the HAR2009 conference, the existence of a backdoor password in Accton-based switches was revealed by Edwin Eefting, Erik Smit and Erwin Drent 12. Even though this is a 365-day exploit, it does not seem to be listed in any of the vulnerability databases. Also, I cou...

Accton-based switches (3com, Dell, SMC, Foundry, EdgeCore) Backdoor

Exploit for windows platform in category remote exploits =================================================================== Accton-based switches 3com, Dell, SMC, Foundry, EdgeCore Backdoor =================================================================== On the 15th of august 2009, at the...

Accton-based switches (3com Dell SMC Foundry EdgeCore) - Backdoor Password

Accton-based switches 3com Dell SMC Foundry EdgeCore - Backdoor Password On the 15th of august 2009, at the HAR2009 conference, the existence of a backdoor password in Accton-based switches was revealed by Edwin Eefting, Erik Smit and Erwin Drent 12. Even though this is a 365-day exploit, it does...

Accton-based switches (3com / Dell / SMC / Foundry / EdgeCore) - Backdoor Password

On the 15th of august 2009, at the HAR2009 conference, the existence of a backdoor password in Accton-based switches was revealed by Edwin Eefting, Erik Smit and Erwin Drent 12. Even though this is a 365-day exploit, it does not seem to be listed in any of the vulnerability databases. Also, I cou...

Cisco CHAP Authentication Vulnerabilities - Cisco Systems

A serious security vulnerability bug ID CSCdi91594 exists in PPP CHAP authentication in all "classic" Cisco IOS software versions the software used on Cisco non-switch products with product numbers greater than or equal to 1000, on the AGS/AGS+/CGS/MGS, and on the CS-500, but not on Catalyst...

Cisco IOS Software TCP Initial Sequence Number Randomization Improvements - Cisco Systems

Cisco IOS Software contains a flaw that permits the successful prediction of TCP Initial Sequence Numbers. This vulnerability is present in all released versions of Cisco IOS software running on Cisco routers and switches. It only affects the security of TCP connections that originate or terminat...

Design/Logic Flaw

Unspecified vulnerability on the Cisco Application Control Engine ACE Module with software A21.x before A21.6, A22.x before A22.3, and A23.x before A23.1 for Catalyst 6500 series switches and 7600 series routers allows remote attackers to cause a denial of service device reload via a sequence of...