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Operating System: OpenBSD

OpenSSH 6.8p1
Posted Mar 19, 2015
Authored by Damien Miller | Site openssh.com

This is a Linux/portable port of OpenBSD's excellent OpenSSH. OpenSSH is based on the last free version of Tatu Ylonen's SSH with all patent-encumbered algorithms removed, all known security bugs fixed, new features reintroduced, and many other clean-ups.

Changes: This is a major release, containing a number of new features as well as a large internal re-factoring.
tags | encryption
systems | linux, unix, openbsd
MD5 | 08f72de6751acfbd0892b5f003922701
Red Hat Security Advisory 2015-0425-02
Posted Mar 5, 2015
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2015-0425-02 - OpenSSH is OpenBSD's SSH protocol implementation. These packages include the core files necessary for both the OpenSSH client and server. It was discovered that OpenSSH clients did not correctly verify DNS SSHFP records. A malicious server could use this flaw to force a connecting client to skip the DNS SSHFP record check and require the user to perform manual host verification of the DNS SSHFP record. It was found that when OpenSSH was used in a Kerberos environment, remote authenticated users were allowed to log in as a different user if they were listed in the ~/.k5users file of that user, potentially bypassing intended authentication restrictions.

tags | advisory, remote, protocol
systems | linux, redhat, openbsd
advisories | CVE-2014-2653, CVE-2014-9278
MD5 | c190f95272450de057818506fdcee87b
OpenBSD 5.5 Local Kernel Panic
Posted Oct 23, 2014
Authored by nitr0us

OpenBSD versions 5.5 and below local kernel panic proof of concept exploit for i386.

tags | exploit, kernel, local, proof of concept
systems | openbsd
MD5 | aaefb75182a2d333bb87cb24a8cccfa7
Red Hat Security Advisory 2014-1552-02
Posted Oct 14, 2014
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2014-1552-02 - OpenSSH is OpenBSD's SSH protocol implementation. These packages include the core files necessary for both the OpenSSH client and server. It was discovered that OpenSSH clients did not correctly verify DNS SSHFP records. A malicious server could use this flaw to force a connecting client to skip the DNS SSHFP record check and require the user to perform manual host verification of the DNS SSHFP record. It was found that OpenSSH did not properly handle certain AcceptEnv parameter values with wildcard characters. A remote attacker could use this flaw to bypass intended environment variable restrictions.

tags | advisory, remote, protocol
systems | linux, redhat, openbsd
advisories | CVE-2014-2532, CVE-2014-2653
MD5 | 40e04a3c3bad82810d0c8d2fa03d31bf
OpenSSH 6.7p1
Posted Oct 7, 2014
Authored by Damien Miller | Site openssh.com

This is a Linux/portable port of OpenBSD's excellent OpenSSH. OpenSSH is based on the last free version of Tatu Ylonen's SSH with all patent-encumbered algorithms removed, all known security bugs fixed, new features reintroduced, and many other clean-ups.

Changes: Multiple bug fixes.
tags | tool, encryption
systems | linux, unix, openbsd
MD5 | 3246aa79317b1d23cae783a3bf8275d6
Check Rootkit 0.50
Posted May 23, 2014
Authored by Nelson Murilo | Site chkrootkit.org

Chkrootkit checks locally for signs of a rootkit. Chkrootkit includes ifpromisc.c to check and see if the interface is in promisc mode, chklastlog.c to check lastlog for deletions, and chkwtmp.c to check wtmp for deletions, strings.c for quick and dirty strings replacement, check_wtmpx.c to check for wtmpx deletions and the files chkproc.c and chkdirs.c to check for LKM trojans. Tested on Linux 2.0.x, 2.2.x and 2.4.x, FreeBSD 2.2.x, 3.x, 4.x, and 5.x, BSDI, OpenBSD 2.6, 2.7, 2.8, 2.9, 3.0 and 3.1, NetBSD 1.5.2 and Solaris 2.5.1, 2.6 and 8.0, and HP-UX 11.

Changes: New and enhanced tests, minor bug fixes.
tags | tool, trojan, integrity, rootkit
systems | linux, netbsd, unix, solaris, freebsd, openbsd, hpux
MD5 | 9e67dd56f835264d43aeb04944610b03
OpenSSH 6.6p1
Posted Mar 16, 2014
Authored by Damien Miller | Site openssh.com

This is a Linux/portable port of OpenBSD's excellent OpenSSH. OpenSSH is based on the last free version of Tatu Ylonen's SSH with all patent-encumbered algorithms removed, all known security bugs fixed, new features reintroduced, and many other clean-ups.

Changes: Multiple bug fixes.
tags | tool, encryption
systems | linux, unix, openbsd
MD5 | 3e9800e6bca1fbac0eea4d41baa7f239
OpenSSH 6.5p1
Posted Jan 31, 2014
Authored by Damien Miller | Site openssh.com

This is a Linux/portable port of OpenBSD's excellent OpenSSH. OpenSSH is based on the last free version of Tatu Ylonen's SSH with all patent-encumbered algorithms removed, all known security bugs fixed, new features reintroduced, and many other clean-ups.

Changes: This is a feature-focused release. New features include new ciphers and key types, a new private key format, and rejection of connection requests from old insecure clients. There are also a number of bug fixes.
tags | tool, encryption
systems | linux, unix, openbsd
MD5 | a084e7272b8cbd25afe0f5dce4802fef
Red Hat Security Advisory 2013-1591-02
Posted Nov 21, 2013
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2013-1591-02 - OpenSSH is OpenBSD's Secure Shell protocol implementation. These packages include the core files necessary for the OpenSSH client and server. The default OpenSSH configuration made it easy for remote attackers to exhaust unauthorized connection slots and prevent other users from being able to log in to a system. This flaw has been addressed by enabling random early connection drops by setting MaxStartups to 10:30:100 by default. For more information, refer to the sshd_config man page. These updated openssh packages include numerous bug fixes and enhancements. Space precludes documenting all of these changes in this advisory. Users are directed to the Red Hat Enterprise Linux 6.5 Technical Notes, linked to in the References, for information on the most significant of these changes.

tags | advisory, remote, shell, protocol
systems | linux, redhat, openbsd
advisories | CVE-2010-5107
MD5 | 5eb08fda82f76ea645120cd98137ccff
SI6 Networks' IPv6 Toolkit 1.3.4
Posted Apr 18, 2013
Authored by Fernando Gont

This toolkit houses various IPv6 tools that have been tested to compile and run on Debian GNU/Linux 6.0, FreeBSD 9.0, NetBSD 5.1, OpenBSD 5.0, Mac OS 10.8.0, and Ubuntu 11.10.

Changes: IPv6-host tracking support in the scan6 tool. A new tool, address6, to analyze IPv6 addresses. Minor bug fixes.
tags | tool
systems | linux, netbsd, unix, freebsd, openbsd, debian, ubuntu
MD5 | 21fe4ecb93a9b4783be7b16d88b0ab81
SI6 Networks' IPv6 Toolkit 1.3.3
Posted Mar 11, 2013
Authored by Fernando Gont

This toolkit houses various IPv6 tools that have been tested to compile and run on Debian GNU/Linux 6.0, FreeBSD 9.0, NetBSD 5.1, OpenBSD 5.0, Mac OS 10.8.0, and Ubuntu 11.10.

Changes: This minor update incorporates the "--tgt-known-iids" option, which can be used to track systems across networks, even if they employ the so-called "Privacy Address" (and yes, that includes Microsoft Windows systems).
tags | tool, scanner
systems | linux, netbsd, unix, freebsd, openbsd, debian, ubuntu
MD5 | 2c7f9cfc0a8845694439a2bbdb6b9446
Red Hat Security Advisory 2013-0519-02
Posted Feb 21, 2013
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2013-0519-02 - OpenSSH is OpenBSD's Secure Shell protocol implementation. These packages include the core files necessary for the OpenSSH client and server. Due to the way the pam_ssh_agent_auth PAM module was built in Red Hat Enterprise Linux 6, the glibc's error() function was called rather than the intended error() function in pam_ssh_agent_auth to report errors. As these two functions expect different arguments, it was possible for an attacker to cause an application using pam_ssh_agent_auth to crash, disclose portions of its memory or, potentially, execute arbitrary code.

tags | advisory, arbitrary, shell, protocol
systems | linux, redhat, openbsd
advisories | CVE-2012-5536
MD5 | 842e4acf6a52a71609a5b15a544fccbf
SI6 Networks' IPv6 Toolkit 1.3
Posted Feb 17, 2013
Authored by Fernando Gont

This toolkit houses various IPv6 tools that have been tested to compile and run on Debian GNU/Linux 6.0, FreeBSD 9.0, NetBSD 5.1, OpenBSD 5.0, Mac OS 10.8.0, and Ubuntu 11.10.

Changes: Addition of a full-fledged IPv6 address scanning tool. Includes support for tunnels. Various other additions and updates.
tags | tool, scanner
systems | linux, netbsd, unix, freebsd, openbsd, debian, ubuntu
MD5 | e8cef869daa70b46ba19bfbb59e2fe74
Secunia Security Advisory 51299
Posted Nov 26, 2012
Authored by Secunia | Site secunia.com

Secunia Security Advisory - A vulnerability has been discovered in OpenBSD, which can be exploited by malicious people to cause a DoS (Denial of Service).

tags | advisory, denial of service
systems | openbsd
MD5 | 5006362bb7acb6d89cfc277f90b1ecf3
UK CPNI IPv6 Toolkit 1.2.3
Posted Sep 17, 2012
Authored by Fernando Gont

This toolkit houses various IPv6 tools that have been tested to compile and run on Debian GNU/Linux 6.0, FreeBSD 9.0, NetBSD 5.1, OpenBSD 5.0, Mac OS 10.8.0, and Ubuntu 11.10.

Changes: Various updates and OSes supported.
tags | tool, scanner
systems | linux, netbsd, unix, freebsd, openbsd, debian, ubuntu
MD5 | a4557708150feac8fb1fae279a6414f1
UK CPNI IPv6 Toolkit 1.1
Posted Jul 6, 2012
Authored by Fernando Gont

This toolkit house various IPv6 tool that have been tested to compile and run on Debian GNU/Linux 6.0, FreeBSD 8.2, NetBSD 5.1, OpenBSD 5.0, and Ubuntu 11.10.

tags | tool, scanner
systems | linux, netbsd, unix, freebsd, openbsd, debian, ubuntu
MD5 | 462267262837e1e1eeaef194da4cad1c
Red Hat Security Advisory 2012-0884-04
Posted Jun 20, 2012
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2012-0884-04 - OpenSSH is OpenBSD's Secure Shell protocol implementation. These packages include the core files necessary for the OpenSSH client and server. A denial of service flaw was found in the OpenSSH GSSAPI authentication implementation. A remote, authenticated user could use this flaw to make the OpenSSH server daemon use an excessive amount of memory, leading to a denial of service. GSSAPI authentication is enabled by default.

tags | advisory, remote, denial of service, shell, protocol
systems | linux, redhat, openbsd
advisories | CVE-2011-5000
MD5 | 8811bd17c1d17b374d2c600f17947dfa
Firewall Builder With GUI 5.1.0.3599
Posted Mar 29, 2012
Site fwbuilder.org

Firewall Builder consists of a GUI and set of policy compilers for various firewall platforms. It helps users maintain a database of objects and allows policy editing using simple drag-and-drop operations. The GUI and policy compilers are completely independent, which provides for a consistent abstract model and the same GUI for different firewall platforms. It currently supports iptables, ipfilter, ipfw, OpenBSD pf, Cisco PIX and FWSM, and Cisco routers access lists.

Changes: Packages for Windows and Mac OS X are now distributed under the GPL, and the source code includes all files necessary to build on Linux, *BSD, Windows, and Mac OS X. This release also includes a few bugfixes in the policy compiler for iptables and for the build problem on Gentoo.
tags | tool, firewall
systems | cisco, linux, unix, openbsd
MD5 | 331ce22eb8fb770a70395c3744f5092f
Firewall Builder With GUI 5.0.1.3592
Posted Dec 24, 2011
Site fwbuilder.org

Firewall Builder consists of a GUI and set of policy compilers for various firewall platforms. It helps users maintain a database of objects and allows policy editing using simple drag-and-drop operations. The GUI and policy compilers are completely independent, which provides for a consistent abstract model and the same GUI for different firewall platforms. It currently supports iptables, ipfilter, ipfw, OpenBSD pf, Cisco PIX and FWSM, and Cisco routers access lists.

Changes: This release includes improvements in the design of the installer dialog to let users start in non-batch install mode but continue in batch install mode later; improvements in support for iptables configurations for bridging Linux firewalls; fixes for several GUI crashes; policy compilers now correctly handle /31 subnets.
tags | tool, firewall
systems | cisco, linux, unix, openbsd
MD5 | 50b567a9752e9dd4f4cd0d988d74d879
libdvdcss 1.2.11
Posted Nov 16, 2011
Site videolan.org

libdvdcss is a cross-platform library for transparent DVD device access with on-the-fly CSS decryption. It currently runs under Linux, FreeBSD, NetBSD, OpenBSD, BSD/OS, Solaris, BeOS, Win95/Win98, Win2k/WinXP, MacOS X, HP-UX, QNX, and OS/2. It is used by libdvdread and most DVD players such as VLC because of its portability and because, unlike similar libraries, it does not require your DVD drive to be region locked.

Changes: This release improves RPC-II drive handling and contains a more robust keys retrieval mode. It also introduces fixes for MingW and OS/2 compilation, and has various bugfixes for small issues, memory leaks, crashes, and build issues.
tags | library
systems | linux, netbsd, windows, 2k, 9x, unix, solaris, freebsd, bsd, openbsd, hpux, beos, osx, xp
MD5 | 048134d398b4372a21ae304b9a9fa70b
Mandriva Linux Security Advisory 2011-153
Posted Oct 17, 2011
Authored by Mandriva | Site mandriva.com

Mandriva Linux Security Advisory 2011-153 - The LZW decompressor in the BufCompressedFill function in fontfile/decompress.c in X.Org libXfont before 1.4.4 and compress/compress.c in 4.3BSD, as used in zopen.c in OpenBSD before 3.8, FreeBSD, NetBSD, FreeType 2.1.9, and other products, does not properly handle code words that are absent from the decompression table when encountered, which allows context-dependent attackers to trigger an infinite loop or a heap-based buffer overflow, and possibly execute arbitrary code, via a crafted compressed stream, a related issue to and CVE-2011-2896. The updated packages have been patched to correct this issue.

tags | advisory, overflow, arbitrary
systems | linux, netbsd, freebsd, openbsd, mandriva
advisories | CVE-2011-2895
MD5 | dec74fce09c274fbef2d8deee7b11b65
OpenSSH 5.9p1
Posted Sep 6, 2011
Authored by Damien Miller | Site openssh.com

This is a Linux/portable port of OpenBSD's excellent OpenSSH. OpenSSH is based on the last free version of Tatu Ylonen's SSH with all patent-encumbered algorithms removed, all known security bugs fixed, new features reintroduced, and many other clean-ups.

Changes: This release added experimental sandboxing of network-facing code during the pre-authentication phase and SHA2-based HMAC modes for the SSH transport. sshd now sends logs from the privilege-separated process via a pipe, eliminating the need for /var/empty/dev/log. There were many more bugfixes and changes.
tags | encryption
systems | linux, unix, openbsd
MD5 | b50a499fa02616a47984b1920848b565
Firewall Builder With GUI 5.0.0.3568
Posted Jul 28, 2011
Site fwbuilder.org

Firewall Builder consists of a GUI and set of policy compilers for various firewall platforms. It helps users maintain a database of objects and allows policy editing using simple drag-and-drop operations. The GUI and policy compilers are completely independent, which provides for a consistent abstract model and the same GUI for different firewall platforms. It currently supports iptables, ipfilter, ipfw, OpenBSD pf, Cisco PIX and FWSM, and Cisco routers access lists.

Changes: This release includes multiple GUI enhancements and improved support for large configurations with new features like user defined subfolders, keywords for tagging objects, dynamic groups with smart filters, and more. Other new features include support for importing PF configuration files and a new object type called Attached Networks, which represents the list of networks connected to a network interface.
tags | tool, firewall
systems | cisco, linux, unix, openbsd
MD5 | 0324edab10329dde029953d646aa8dad
OpenBSD/x86 reboot Shellcode
Posted Jun 30, 2011
Authored by KedAns-Dz

178 bytes small sys_execve ('/bin/sh -c "reboot"') OpenBSD/x86 shellcode.

tags | x86, shellcode
systems | openbsd
MD5 | e3a9a796f3802317f3affb5430c3eb3c
OpenBSD/x86 /bin/sh Shellcode
Posted Jun 18, 2011
Authored by KedAns-Dz

57 bytes small OpenBSD/x86 execve("/bin/sh") shellcode.

tags | x86, shellcode
systems | openbsd
MD5 | ce054006956e22073d2441fd1fb4de74
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