Ubuntu Security Notice 6259-1 - Jos Wetzels, Stanislav Dashevskyi, and Amine Amri discovered that Open-iSCSI incorrectly handled certain checksums for IP packets. An attacker could possibly use this issue to expose sensitive information. Jos Wetzels, Stanislav Dashevskyi, Amine Amri discovered that Open-iSCSI incorrectly handled certain parsing TCP MSS options. An attacker could possibly use this issue to cause a crash or cause unexpected behavior.
11add8b04ad913d8a0d55bdb51820f2c3df6cc99cc46d3fb35aa47446b9c769fDebian Linux Security Advisory 5455-1 - A memory allocation issue was found in iperf3, the Internet Protocol bandwidth measuring tool, that may cause denial of service when encountering certain invalid length value in TCP packet.
6a237f1c777a41ac37dd258a60fea4c6b14f00330ae8d0a6cca7fc1b9bd18c62This Metasploit module exploits a vulnerability in the SmarterTools SmarterMail software for version numbers 16.x and below or for build numbers below 6985. The vulnerable versions and builds expose three .NET remoting endpoints on port 17001, namely /Servers, /Mail and /Spool. For example, a typical installation of SmarterMail Build 6970 will have the /Servers endpoint exposed to the public at tcp://0.0.0.0:17001/Servers, where serialized .NET commands can be sent through a TCP socket connection. The three endpoints perform deserialization of untrusted data (CVE-2019-7214), allowing an attacker to send arbitrary commands to be deserialized and executed. This module exploits this vulnerability to perform .NET deserialization attacks, allowing remote code execution for any unauthenticated user under the context of the SYSTEM account. Successful exploitation results in full administrative control of the target server under the NT AUTHORITY\SYSTEM account. This vulnerability was patched in Build 6985, where the 17001 port is no longer publicly accessible, although it can be accessible locally at 127.0.0.1:17001. Hence, this would still allow for a privilege escalation vector if the server is compromised as a low-privileged user.
c00513d64b0afbcf82cfd8c3569e9b9bd32c506402e79960d11808c409ea5c44Proof of concept exploit for a remotely trigger-able heap buffer overflow vulnerability in iOS 11.4.1 and macOS 10.13.6. This exploit can be used to crash any vulnerable iOS or macOS device that is connected to the same network as the attacker's computer. The vulnerability can be triggered without any user interaction on the victim's device. The exploit involves sending a TCP packet with non-zero options in the IP and TCP headers.
5352cd5286d39bd38e49f40ff6d66d63f42d4b951311bef0126c92981172e14fNmap is a utility for port scanning large networks, although it works fine for single hosts. Sometimes you need speed, other times you may need stealth. In some cases, bypassing firewalls may be required. Not to mention the fact that you may want to scan different protocols (UDP, TCP, ICMP, etc.). Nmap supports Vanilla TCP connect() scanning, TCP SYN (half open) scanning, TCP FIN, Xmas, or NULL (stealth) scanning, TCP ftp proxy (bounce attack) scanning, SYN/FIN scanning using IP fragments (bypasses some packet filters), TCP ACK and Window scanning, UDP raw ICMP port unreachable scanning, ICMP scanning (ping-sweep), TCP Ping scanning, Direct (non portmapper) RPC scanning, Remote OS Identification by TCP/IP Fingerprinting, and Reverse-ident scanning. Nmap also supports a number of performance and reliability features such as dynamic delay time calculations, packet timeout and retransmission, parallel port scanning, detection of down hosts via parallel pings.
7ebc3a0d369d5965ba8b6513bce3ff6d3307a7cc87dd18f70d0af5d8e66a2849Red Hat Security Advisory 2023-2801-01 - FRRouting is free software that manages TCP/IP based routing protocols. It supports BGP4, OSPFv2, OSPFv3, ISIS, RIP, RIPng, PIM, NHRP, PBR, EIGRP and BFD. Issues addressed include denial of service, information leakage, and out of bounds read vulnerabilities.
3a10bb72f7357e92e5b6b4aba350649e37e6821dd920197798a2d2c3b8dad809Samhain is a file system integrity checker that can be used as a client/server application for centralized monitoring of networked hosts. Databases and configuration files can be stored on the server. Databases, logs, and config files can be signed for tamper resistance. In addition to forwarding reports to the log server via authenticated TCP/IP connections, several other logging facilities (e-mail, console, and syslog) are available. Tested on Linux, AIX, HP-UX, Unixware, Sun and Solaris.
acaab8ed17b828ae787a0d35ef8879f933e5033cafe4385554cf8b7758acc6f9Red Hat Security Advisory 2023-2202-01 - FRRouting is free software that manages TCP/IP based routing protocols. It supports BGP4, OSPFv2, OSPFv3, ISIS, RIP, RIPng, PIM, NHRP, PBR, EIGRP and BFD. Issues addressed include denial of service, information leakage, and out of bounds read vulnerabilities.
35090ccbb2ff5c95234dd95ec773e1980fc53945fbdd8dbfef45e3882caaf638Red Hat Security Advisory 2023-1978-01 - The haproxy packages provide a reliable, high-performance network load balancer for TCP and HTTP-based applications. Issues addressed include a denial of service vulnerability.
460af41b8795e195d495977df2880e4a5b0b93cc67ecafd65fb3fa9f14c3ffb5Ubuntu Security Notice 6014-1 - Xuewei Feng, Chuanpu Fu, Qi Li, Kun Sun, and Ke Xu discovered that the TCP implementation in the Linux kernel did not properly handle IPID assignment. A remote attacker could use this to cause a denial of service or inject forged data. Ke Sun, Alyssa Milburn, Henrique Kawakami, Emma Benoit, Igor Chervatyuk, Lisa Aichele, and Thais Moreira Hamasaki discovered that the Spectre Variant 2 mitigations for AMD processors on Linux were insufficient in some situations. A local attacker could possibly use this to expose sensitive information.
b35ca435930e16fd5c80695ace0a0339c873cee40fdedf7c96c3a446b1a7ff00Ubuntu Security Notice 6013-1 - Xuewei Feng, Chuanpu Fu, Qi Li, Kun Sun, and Ke Xu discovered that the TCP implementation in the Linux kernel did not properly handle IPID assignment. A remote attacker could use this to cause a denial of service or inject forged data. Ke Sun, Alyssa Milburn, Henrique Kawakami, Emma Benoit, Igor Chervatyuk, Lisa Aichele, and Thais Moreira Hamasaki discovered that the Spectre Variant 2 mitigations for AMD processors on Linux were insufficient in some situations. A local attacker could possibly use this to expose sensitive information.
a9c225928b1c28bf90c101180a361e5db4576ba6b23acb6d2f68a5da43566cebRed Hat Security Advisory 2023-1696-01 - The haproxy packages provide a reliable, high-performance network load balancer for TCP and HTTP-based applications. Issues addressed include a denial of service vulnerability.
55f0df74ba8f33e1055c916a1f7b0e9facdcd6152b767e465552ba68d10bb913Ubuntu Security Notice 6001-1 - Xuewei Feng, Chuanpu Fu, Qi Li, Kun Sun, and Ke Xu discovered that the TCP implementation in the Linux kernel did not properly handle IPID assignment. A remote attacker could use this to cause a denial of service or inject forged data. Ke Sun, Alyssa Milburn, Henrique Kawakami, Emma Benoit, Igor Chervatyuk, Lisa Aichele, and Thais Moreira Hamasaki discovered that the Spectre Variant 2 mitigations for AMD processors on Linux were insufficient in some situations. A local attacker could possibly use this to expose sensitive information.
41aeeefd2d4b93824f7651b99bd053dcc55a7bddef73bc96c89bc61e6121be0cGNUnet is a peer-to-peer framework with focus on providing security. All peer-to-peer messages in the network are confidential and authenticated. The framework provides a transport abstraction layer and can currently encapsulate the network traffic in UDP (IPv4 and IPv6), TCP (IPv4 and IPv6), HTTP, or SMTP messages. GNUnet supports accounting to provide contributing nodes with better service. The primary service build on top of the framework is anonymous file sharing.
00a63df408d5987f5ba9a50441f2a77182bd9fb32f1e302ae563ac94e7ac009bGlobal Socket is a tool for moving data from here to there, securely, fast, and through NAT and firewalls. It uses the Global Socket Relay Network to connect TCP pipes, has end-to-end encryption (using OpenSSL's SRP / RFC-5054), AES-256 and key exchange using 4096-bit Prime, requires no PKI, has Perfect Forward Secrecy, and TOR support.
628e139e7f12c2e5cac243778c3fe428c878aaf690e64cf650e0be14915eee1eGNUnet is a peer-to-peer framework with focus on providing security. All peer-to-peer messages in the network are confidential and authenticated. The framework provides a transport abstraction layer and can currently encapsulate the network traffic in UDP (IPv4 and IPv6), TCP (IPv4 and IPv6), HTTP, or SMTP messages. GNUnet supports accounting to provide contributing nodes with better service. The primary service build on top of the framework is anonymous file sharing.
82b7d5fe12d481387c37d2fbf032bb605c2e4d5976079a1947943243e5ba7a25GNUnet is a peer-to-peer framework with focus on providing security. All peer-to-peer messages in the network are confidential and authenticated. The framework provides a transport abstraction layer and can currently encapsulate the network traffic in UDP (IPv4 and IPv6), TCP (IPv4 and IPv6), HTTP, or SMTP messages. GNUnet supports accounting to provide contributing nodes with better service. The primary service build on top of the framework is anonymous file sharing.
86034d92ebf8f6623dad95f1031ded1466e064b96ffac9d3e9d47229ac2c22ffSimpleRmiDiscoverer is a JMX RMI scanning tool for unsecured (without enabled authentication) instances of JAVA JMX. It does not use standard Java RMI/JMX classes like other available tools but rather communicates directly over TCP. The tool is written in Java and is very useful in red teaming operations because JVM is still ubiquitous in corporate environments. It can be executed by unprivileged (non-admin) users.
93daab8314c5a134f408dc5214f71dbb47eac17e499aa7e761104430bd8a7f8fGNUnet is a peer-to-peer framework with focus on providing security. All peer-to-peer messages in the network are confidential and authenticated. The framework provides a transport abstraction layer and can currently encapsulate the network traffic in UDP (IPv4 and IPv6), TCP (IPv4 and IPv6), HTTP, or SMTP messages. GNUnet supports accounting to provide contributing nodes with better service. The primary service build on top of the framework is anonymous file sharing.
41a7b07ffe141c4fec20aaba1aeee12d5a9af92c2055dbfc7279b0584f819262Global Socket is a tool for moving data from here to there, securely, fast, and through NAT and firewalls. It uses the Global Socket Relay Network to connect TCP pipes, has end-to-end encryption (using OpenSSL's SRP / RFC-5054), AES-256 and key exchange using 4096-bit Prime, requires no PKI, has Perfect Forward Secrecy, and TOR support.
2042b3773e03285939fe7f0d0597a77c8d4958644b1d8a366cc71d384f1e5c30GNUnet is a peer-to-peer framework with focus on providing security. All peer-to-peer messages in the network are confidential and authenticated. The framework provides a transport abstraction layer and can currently encapsulate the network traffic in UDP (IPv4 and IPv6), TCP (IPv4 and IPv6), HTTP, or SMTP messages. GNUnet supports accounting to provide contributing nodes with better service. The primary service build on top of the framework is anonymous file sharing.
468f4859ee0bd2a20fcb857446c69ada9d38ff002d7530785a5364e298e3a52fRed Hat Security Advisory 2022-8112-01 - FRRouting is free software that manages TCP/IP based routing protocols. It supports BGP4, OSPFv2, OSPFv3, ISIS, RIP, RIPng, PIM, NHRP, PBR, EIGRP and BFD.
9050439db673e3ef2d92869fcda85164fb51327213b97d3a5f3e028a840d633fGNUnet is a peer-to-peer framework with focus on providing security. All peer-to-peer messages in the network are confidential and authenticated. The framework provides a transport abstraction layer and can currently encapsulate the network traffic in UDP (IPv4 and IPv6), TCP (IPv4 and IPv6), HTTP, or SMTP messages. GNUnet supports accounting to provide contributing nodes with better service. The primary service build on top of the framework is anonymous file sharing.
719fc54734ee54c36ff619a6aa2d659655db012c40f9210c0859459c435fce1aIn 2015, HD Moore, the creator of Metasploit, published an article disclosing over 5,800 gas station Automated Tank Gauges (ATGs) which were publicly accessible. Besides monitoring for leakage, these systems are also instrumental in gauging fluid levels, tank temperature, and can alert operators when tank volumes are too high or have reached a critical low. ATGs are utilized by nearly every fueling station in the United States and tens of thousands of systems internationally. They are most commonly manufactured by Veeder-Root, a supplier of fuel dispensers, payment systems, and forecourt merchandising. For remote monitoring of these fuel systems, operators will commonly configure the ATG serial interface to an internet-facing TCP port (generally set to TCP 10001). This script reads the Get In-Tank Inventory Report from TCP/10001 as a proof of concept to demonstrate the arbitrary access.
1222ef3166eddf3e2b1283c72bc5f78616ec813de663f9a776c261eacba66ccfGNUnet is a peer-to-peer framework with focus on providing security. All peer-to-peer messages in the network are confidential and authenticated. The framework provides a transport abstraction layer and can currently encapsulate the network traffic in UDP (IPv4 and IPv6), TCP (IPv4 and IPv6), HTTP, or SMTP messages. GNUnet supports accounting to provide contributing nodes with better service. The primary service build on top of the framework is anonymous file sharing.
c2d877bd444b6b474a4140c01e576a8a707e272d5c9a2149a7f25c5de192d5da
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