Man in the Middle Fix For SSL Is Ready

The Internet Engineering Task Force IETF has completed a security extension to the Secure Sockets Layer SSL protocol that fixes a flaw affecting browsers, servers, smart cards, and VPN products, as well as many lower-profile devices, such as Webcams, that contain the protocol embedded in their...

TLS Renegotiation Vulnerability: Proof of Concept Code (Python)

No description provided by source. I created a Camtasia Movie some time ago "exploiting" the vulnerability by injecting "/user/profile/E1/" into the first ssl request to "/" http://www.hacking-lab.com/download/ This can help others to understand the vulnerability. Regards Ivan -----Original...

TLS Renegotiation Vulnerability PoC Exploit

No description provided by source. !/usr/bin/env python RedTeam Pentesting GmbH [email protected] http://www.redteam-pentesting.de PoC exploit for the TLS renegotiation vulnerability CVE-2009-3555 License ------- CC-BY-SA http://creativecommons.org/licenses/by-sa/3.0/ Timeline -------...

TCP may keep its offered receive window closed indefinitely (RFC 1122)

Overview Part of the Transmission Control Protocol TCP specification RFC 1122 allows a receiver to advertise a zero byte window, instructing the sender to maintain the connection but not send additional TCP payload data. The sender should then probe the receiver to check if the receiver is ready ...

NFS Mount Scanner

This module scans NFS mounts and their permissions. This module requires Metasploit: https://metasploit.com/download Current source: https://github.com/rapid7/metasploit-framework class MetasploitModule 'NFS Mount Scanner', 'Description' = %q This module scans NFS mounts and their permissions. ,...

[SECURITY] Fedora 9 Update: dkim-milter-2.8.1-1.fc9

The dkim-milter package is an open source implementation of the DKIM sender authentication system proposed by the E-mail Signing Technology Group ESTG, now a proposed standard of the IETF RFC4871. DKIM is an amalgamation of the DomainKeys DK proposal by Yahoo!, Inc. and the Internet Identified Ma...

Fedora Update for gnutls FEDORA-2008-4274

Check for the Version of gnutls OpenVAS Vulnerability Test Fedora Update for gnutls FEDORA-2008-4274 Authors: System Generated Check Copyright: Copyright c 2009 Greenbone Networks GmbH, http://www.greenbone.net This program is free software; you can redistribute it and/or modify it under the term...

MD5 vulnerable to collision attacks

Overview Weaknesses in the MD5 algorithm allow for collisions in output. As a result, attackers can generate cryptographic tokens or other data that illegitimately appear to be authentic. Description A secure cryptographic hash algorithm is one that generates a unique identifier of a fixed size...

[SECURITY] Fedora 8 Update: gnutls-1.6.3-3.fc8

GnuTLS is a project that aims to develop a library which provides a secure layer, over a reliable transport layer. Currently the GnuTLS library implem ents the proposed standards by the IETF's TLS working group...

[Full-disclosure] DOS vulnerability on Thomson SIP phone ST 2030 using the TO Header

MADYNES Security Advisory : Remote DOS on Thomson SIP phone ST 2030 Date of Discovery 15 February, 2007 Vendor was notified on 1 March 2007 ID: KIPH9 Synopsis After sending a message where the TO URI field is crafted, the device looks functional but in fact does not respond to any event provoking...

[Full-disclosure] DOS vulnerability on Thomson SIP phone ST 2030 using the VIA Header

MADYNES Security Advisory : Remote DOS on Thomson SIP phone ST 2030 Date of Discovery 15 February, 2007 Vendor was notified on 1 March 2007 ID: KIPH8 Synopsis After sending a message where the a space is replaced by a slash after the SIP version in the VIA, the device looks functional but in fact...

IPv6协议Type 0路由头拒绝服务漏洞

IPv6是Internet Protocol Version 6的缩写，也被称作下一代互联网协议，它是由IETF设计的用来替代现行的IPv4协议的一种新的IP协议。 OpenBSD和Cisco IOS系统在处理某些IPv6 type 0路由头时存在拒绝服务漏洞，如果向运行上述系统的设备发送了特制的IPv6报文的话，就可能导致设备崩溃。请注意这是IPv6协议本身的漏洞，与设备和软件无关。 Cisco IOS 12.4 Cisco IOS 12.3 Cisco IOS 12.2 Cisco IOS 12.1 Cisco IOS 12.0 OpenBSD OpenBSD 4.0 OpenBSD...

Hacker attack and Defense of the PPPoE authentication and use-vulnerability and early warning-the black bar safety net

A Foreword In recent years, Internet data traffic has developed rapidly, broadband users showed explosive growth, the operators in the use of xDSL, LAN, HFC, wireless and other access methods at the same time, in order to build an operable, manageable and profitable broadband network, is very...

Multiple RSA implementations fail to properly handle signatures

Overview Multiple RSA implementations fail to properly handle RSA signatures. This vulnerability may allow an attacker to forge RSA signatures. Description RSA signatures are used to authenticate the source of a message. To prevent RSA signatures from being forged, messages are padded with data t...

Microsoft PKINIT smart card logon vulnerable to information disclosure and spoofing

Overview Microsoft PKINIT smart card authentication is vulnerable to an information disclosure flaw that may allow an attacker to spoof a trusted server. Description From the Microsoft PKINIT description: PKINIT is an Internet Engineering Task Force IETF Internet Draft for "Public Key Cryptograph...

Microsoft Windows Kerberos PKINIT Man In The Middle Vulnerability

Description The PKINIT implementation in Microsoft Windows is susceptible to a man in the middle vulnerability. This issue is due to a failure of the software to properly validate network data. This issue is only exploitable by attackers that have access to valid logon credentials. Attackers...

[Full-disclosure] ICMP attacks against TCP: Conclusions

Folks, My posts to this list have tried to show how easy it is to perform ICMP attacks against TCP. The attacks are blind, so the attacker does not need to be a "man in the middle" to perform then. The typical number of packets required to perform any of these attacks is about 16000 in many cases...