Nmap 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.
330d94228f3196dc7481990435703ba1ab67bb95016ea073a11a361aa76f65efThis Metasploit module exploits an unsafe Javascript API implemented in Nitro and Nitro Pro PDF Reader version 11. The saveAs() Javascript API function allows for writing arbitrary files to the file system. Additionally, the launchURL() function allows an attacker to execute local files on the file system and bypass the security dialog Note: This is 100% reliable.
f84a9092c69101f06010274349074f1839c148034fee2c255ca578417be62c59Advantech SUSIAccess versions 3.0 and below suffers from a RecoveryMgmt file upload vulnerability.
7afddd81c9bc2a2655ff371abde673b9ce3d5c9f80dd813d96f9a3659935c76dDigital Whisper Electronic Magazine issue 85. Written in Hebrew.
7292eabf206cf53b2c0266029736bbacec85ccf345db69a84c1f0950c6ae071dUbuntu Security Notice 3370-2 - USN-3370-1 fixed a vulnerability in Apache HTTP Server. This update provides the corresponding update for Ubuntu 12.04 ESM. Robert Swiecki discovered that the Apache HTTP Server mod_auth_digest module incorrectly cleared values when processing certain requests. A remote attacker could use this issue to cause the server to crash, resulting in a denial or service, or possibly obtain sensitive information. Various other issues were also addressed.
57839928399d0eabba39413dfc6608a0ecede2c901f1ddf577d8f96249ed719aRed Hat Security Advisory 2017-1859-01 - The golang packages provide the Go programming language compiler. The following packages have been upgraded to a later upstream version: golang. Security Fix: A carry propagation flaw was found in the implementation of the P-256 elliptic curve in golang. An attacker could possibly use this flaw to extract private keys when static ECDH was used.
1ae7261e74672e7b3eda2472677d84ff08ffc3d75f37e553122339a25f11e6efRed Hat Security Advisory 2017-1842-01 - The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix: An use-after-free flaw was found in the Linux kernel which enables a race condition in the L2TPv3 IP Encapsulation feature. A local user could use this flaw to escalate their privileges or crash the system. A flaw was found that can be triggered in keyring_search_iterator in keyring.c if type->match is NULL. A local user could use this flaw to crash the system or, potentially, escalate their privileges.
5ca025049a9aeac274477f25b1f88d0c0690dadc0caf736cba30c2ebc58771e8Red Hat Security Advisory 2017-2258-01 - The gtk-vnc packages provide a VNC viewer widget for GTK. The gtk-vnc widget is built by using co-routines, which allows the widget to be completely asynchronous while remaining single-threaded. The following packages have been upgraded to a later upstream version: gtk-vnc. Security Fix: It was found that gtk-vnc lacked proper bounds checking while processing messages using RRE, hextile, or copyrect encodings. A remote malicious VNC server could use this flaw to crash VNC viewers which are based on the gtk-vnc library.
0200d88f92cad321797b1906bfc6e038d764948ed57ae7fea09ba01b5172292dRed Hat Security Advisory 2017-2192-01 - MariaDB is a multi-user, multi-threaded SQL database server that is binary compatible with MySQL. The following packages have been upgraded to a later upstream version: mariadb. Security Fix: It was discovered that the mysql and mysqldump tools did not correctly handle database and table names containing newline characters. A database user with privileges to create databases or tables could cause the mysql command to execute arbitrary shell or SQL commands while restoring database backup created using the mysqldump tool.
51d563c7dcfb60f38bf1d4ad200c9c09b641337b0c1877f5cb14e20fd87bad25Red Hat Security Advisory 2017-2077-01 - The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements. Security Fix: An use-after-free flaw was found in the Linux kernel which enables a race condition in the L2TPv3 IP Encapsulation feature. A local user could use this flaw to escalate their privileges or crash the system. A flaw was found that can be triggered in keyring_search_iterator in keyring.c if type->match is NULL. A local user could use this flaw to crash the system or, potentially, escalate their privileges.
d2c3180ea8e30c9c7a99dd568d556248785dfe383295b24d599dcc9aae61ff25Red Hat Security Advisory 2017-2029-01 - OpenSSH is an SSH protocol implementation supported by a number of Linux, UNIX, and similar operating systems. It includes the core files necessary for both the OpenSSH client and server. The following packages have been upgraded to a later upstream version: openssh. Security Fix: A covert timing channel flaw was found in the way OpenSSH handled authentication of non-existent users. A remote unauthenticated attacker could possibly use this flaw to determine valid user names by measuring the timing of server responses.
d968f1977aa418a410f4eb0347eb315fb89ecda3c383e34f02b7ceef8867f98aRed Hat Security Advisory 2017-2247-01 - Apache Tomcat is a servlet container for the Java Servlet and JavaServer Pages technologies. The following packages have been upgraded to a later upstream version: tomcat. Security Fix: The Realm implementations did not process the supplied password if the supplied user name did not exist. This made a timing attack possible to determine valid user names. Note that the default configuration includes the LockOutRealm which makes exploitation of this vulnerability harder.
28ecc46e08ed2b7c979a1d7c62817c76de3fec2f53c823ecfaaac34707e0b9d8Red Hat Security Advisory 2017-2180-01 - The Ghostscript suite contains utilities for rendering PostScript and PDF documents. Ghostscript translates PostScript code to common bitmap formats so that the code can be displayed or printed. Security Fix: A NULL pointer dereference flaw was found in ghostscript's mem_get_bits_rectangle function. A specially crafted postscript document could cause a crash in the context of the gs process.
de40de0f9ee732bdc5df9be0aed0ee43d9df2b96cab385d1a1574bf6335d7666Red Hat Security Advisory 2017-2390-01 - KVM is a full virtualization solution for Linux on a variety of architectures. The qemu-kvm-rhev packages provide the user-space component for running virtual machines that use KVM in environments managed by Red Hat products. Security Fix: Quick Emulator built with the Network Block Device Server support is vulnerable to a crash via a SIGPIPE signal. The crash can occur if a client aborts a connection due to any failure during negotiation or read operation. A remote user/process could use this flaw to crash the qemu-nbd server resulting in a DoS.
ebeb5812b590f43d2d6efb141da20b99f231e30371925de37c5f3058424ebeb0Red Hat Security Advisory 2017-2408-01 - KVM is a full virtualization solution for Linux on a variety of architectures. The qemu-kvm-rhev packages provide the user-space component for running virtual machines that use KVM in environments managed by Red Hat products. Security Fix: Quick Emulator built with Network Block Device Server support was vulnerable to a null-pointer dereference issue. The flaw could occur when releasing a client that was not initialized due to failed negotiation. A remote user or process could exploit this flaw to crash the qemu-nbd server.
20c3d56cf43f3ca77bafe54885bbe8c3f543e06a0222599d837e53d50155a00dRed Hat Security Advisory 2017-2389-01 - FreeRADIUS is a high-performance and highly configurable free Remote Authentication Dial In User Service server, designed to allow centralized authentication and authorization for a network. Security Fix: An out-of-bounds write flaw was found in the way FreeRADIUS server handled certain attributes in request packets. A remote attacker could use this flaw to crash the FreeRADIUS server or to execute arbitrary code in the context of the FreeRADIUS server process by sending a specially crafted request packet.
b13587cc0c566f3c27fa6579b08097257b0081860b09191feb3c980a18036c6eRed Hat Security Advisory 2017-2388-01 - The evince packages provide a simple multi-page document viewer for Portable Document Format, PostScript, Encapsulated PostScript files, and, with additional back-ends, also the Device Independent File format files. Security Fix: It was found that evince did not properly sanitize the command line which is run to untar Comic Book Tar files, thereby allowing command injection. A specially crafted CBT file, when opened by evince or evince-thumbnailer, could execute arbitrary commands in the context of the evince program.
512dd80e6b0c1060a6cb4f99fb426012f9774d3425ee63fcc42fa0968e9026c5Red Hat Security Advisory 2017-1950-01 - Samba is an open-source implementation of the Server Message Block protocol and the related Common Internet File System protocol, which allow PC-compatible machines to share files, printers, and various information. The following packages have been upgraded to a later upstream version: samba. Security Fix: A flaw was found in the way Samba handled dangling symlinks. An authenticated malicious Samba client could use this flaw to cause the smbd daemon to enter an infinite loop and use an excessive amount of CPU and memory.
a75e3d5d70ccf16781a3304ff0ebb4b2e93954fdad37652919a225cc3921e465Red Hat Security Advisory 2017-2392-01 - KVM is a full virtualization solution for Linux on a variety of architectures. The qemu-kvm-rhev packages provide the user-space component for running virtual machines that use KVM in environments managed by Red Hat products. The following packages have been upgraded to a later upstream version: qemu-kvm-rhev. Security Fix: A stack buffer overflow flaw was found in the Quick Emulator built with the Network Block Device client support. The flaw could occur while processing server's response to a 'NBD_OPT_LIST' request. A malicious NBD server could use this issue to crash a remote NBD client resulting in DoS or potentially execute arbitrary code on client host with privileges of the QEMU process.
8bdef9a2edaa6c48acb02022865e43e9a79db08204a6fbb3afa3dc39b0a5c36aRed Hat Security Advisory 2017-2128-01 - The GNOME Display Manager provides the graphical login screen shown shortly after boot up, log out, and when user-switching. The following packages have been upgraded to a later upstream version: gdm, gnome-session. Security Fix: It was found that gdm could crash due to a signal handler dispatched to an invalid conversation. An attacker could crash gdm by holding the escape key when the screen is locked, possibly bypassing the locked screen.
992583c893ecccf5f89717b1ea88773fb23621043806132c3e5731f9777397c1Red Hat Security Advisory 2017-2060-01 - GStreamer is a streaming media framework based on graphs of filters which operate on media data. The following packages have been upgraded to a later upstream version: clutter-gst2, gnome-video-effects, gstreamer1, gstreamer1-plugins-bad-free, gstreamer1-plugins-base, gstreamer1-plugins-good, orc. Security Fix: Multiple flaws were found in gstreamer1, gstreamer1-plugins-base, gstreamer1-plugins-good, and gstreamer1-plugins-bad-free packages. An attacker could potentially use these flaws to crash applications which use the GStreamer framework.
ca725469c0ec4815e1125cf56a6ad446fb61c6b805739b0077ed192033398399Red Hat Security Advisory 2017-2004-01 - Git is a distributed revision control system with a decentralized architecture. As opposed to centralized version control systems with a client-server model, Git ensures that each working copy of a Git repository is an exact copy with complete revision history. This not only allows the user to work on and contribute to projects without the need to have permission to push the changes to their official repositories, but also makes it possible for the user to work with no network connection. Security Fix: It was found that the git-prompt.sh script shipped with git failed to correctly handle branch names containing special characters. A specially crafted git repository could use this flaw to execute arbitrary commands if a user working with the repository configured their shell to include repository information in the prompt.
3acd4097b044d917a706aa6815aa157e59c26677407b7c97bf84b33a124701ddRed Hat Security Advisory 2017-2000-01 - Virtual Network Computing is a remote display system which allows users to view a computing desktop environment not only on the machine where it is running, but from anywhere on the Internet and from a wide variety of machine architectures. TigerVNC is a suite of VNC servers and clients which allows users to connect to other desktops running a VNC server. FLTK is a cross-platform C++ GUI toolkit. It provides modern GUI functionality without the bloat, and supports 3D graphics via OpenGL and its built-in GLUT emulation. The following packages have been upgraded to a later upstream version: tigervnc, fltk.
6d67f6e14d6c56a2db76fe794e4c7332dfcb2b7d03070b8668c376d0c4d9e904Red Hat Security Advisory 2017-1983-01 - PostgreSQL is an advanced object-relational database management system. The following packages have been upgraded to a later upstream version: postgresql. Security Fix: It was found that some selectivity estimation functions did not check user privileges before providing information from pg_statistic, possibly leaking information. A non-administrative database user could use this flaw to steal some information from tables they are otherwise not allowed to access.
35c8ef1e2898de16133b3b856cf56245993220d5c99ab3d432330bcd48dc68ddRed Hat Security Advisory 2017-1931-01 - The bash packages provide Bash, which is the default shell for Red Hat Enterprise Linux. Security Fix: An arbitrary command injection flaw was found in the way bash processed the hostname value. A malicious DHCP server could use this flaw to execute arbitrary commands on the DHCP client machines running bash under specific circumstances. An arbitrary command injection flaw was found in the way bash processed the SHELLOPTS and PS4 environment variables. A local, authenticated attacker could use this flaw to exploit poorly written setuid programs to elevate their privileges under certain circumstances.
eaaebd55e6b9153d92abdd2f6dec8be4965a8a2c4d186f269c3463725e387cc2
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