Security Alerts Ethereal Trouble
Noel Davis looks at problems in sudo, Ethereal, Apache mod_auth_shadow, fetchmailconf, lynx, Mantis, pnmtopng, gnump3d, Squid, unzip, uim, Curl, and imlib.
[Linux]
Security Alerts KWord Trouble
Noel Davis looks at problems in KWord, SPE under Gentoo, wget, Brightstore, eTrust, Unicenter, OpenSSL, XMail, uw-imap, weex, tcpdump, graphviz, up-imapproxy, xloadimage and xli, and Ruby.
[Linux]
Security Alerts XFree86 Trouble
Noel Davis looks at problems in XFree86, cfengine, RealPlayer 10, Helix Player, ClamAV, XSun, Xprt, arc, prozilla, AbiWord, Backupninja, Hylafax, ApacheTop, and libsnmp5.
[Linux]
Big Scary Daemons Information Security with Colin Percival
The recent disclosure of side-channel techniques to retrieve cryptographic secrets on hyperthreading machines caused stirs in security and operating system development communities. Colin Percival, a FreeBSD security officer, reported the vulnerability and weathered the questions and criticisms. Michael W. Lucas recently interviewed him on this vulnerability, vendors' responses, and security research.
[ONLamp.com]
Security Alerts MySQL Trouble
Noel Davis looks at problems in MySQL, umount, KDE's kcheckpass, GNOME Workstation Command Center, X.org, Squid, TWiki, ncompress, grip, Turquoise SuperStat, gtkdiskfree, and LessTif.
[Linux]
Security Alerts PHP Trouble
Noel Davis looks at problems in PHP, Adobe Reader, Kismet, LibTIFF, Evolution, Mutt, bluez-utils, Ignite-UX, CPAINT, Awstats, Clam AntiVirus, and Gaim.
[LinuxDevCenter.com]
Security Alerts Apache Trouble
Noel Davis looks at problems in Apache, bzip2, Cisco devices, fetchmail, Netpbm, Ethereal, Proftpd, pstotext, apt-cacher, Compress::Zlib, Gopher, nbSMTP, and PowerDNS.
[LinuxDevCenter.com]
Securing Web Services with mod_security
Web services build atop HTTP to allow more flexible applications. However, their flexibility and ubiquity do not always protect against vulnerabilities due to the way HTTP works. Fortunately, the mod_security module and some planning can block potential attacks at both the protocol and application level before they start. Shreeraj Shah explains.
[ONLamp.com]
Anatomy of an Attack: The Five Ps
The five Ps--Probe, Penetrate, Persist, Propagate, and Paralyze--represent a model of how a security attack progresses. In this excerpt from Managing Security with Snort & IDS Tools, the authors discuss an attack's progression through these five steps, whether the attack is sourced from a person or an automated worm or script, with emphasis on the Probe and Penetrate phases, the stages that Snort monitors.
[O'Reilly Network]
Security Alerts Problems in GProFTPD
Noel Davis looks at problems in GProFTPD, bsmtpd, Uim, phpMyAdmin, Vim, Cyrus IMAPd, the Kodak Color Management System on Solaris, Arkeia Network Backup, curl, and PuTTY.
[LinuxDevCenter.com]
OpenBSD 3.6 Live
Right on schedule, the OpenBSD team plans to release version 3.6 on November 1. Federico Biancuzzi recently interviewed several members of the core team about new features and changes in the code and the project.
[ONLamp.com]
Deploying a VPN with PKI
Security and convenience often conflict with each other. It'd be nice to have access to your office network from anywhere, but you can't trust the Internet. Virtual private networks are one solution. Scott Brumbaugh explains how to deploy a VPN using OpenVPN and OpenSSL.
[ONLamp.com]
Security Alerts Linux AMD64 Kernel Bug
Noel Davis looks at a Linux 2.4 kernel bug on AMD64 machines, problems in Samba, changepassword.cgi, MPlayer, the MIT Kerberos 5 administration library, logcheck, Sybase Adaptive Server Enterprise, Konqueror, Debian debmake, Xpdf, and xzgv.
[LinuxDevCenter.com]
Security Alerts J2SE Woes
Noel Davis looks at problems in the Java 2 Runtime Environment, wget, FreeBSD's procfs and linprocfs, OpenSSL, OpenSSH, AbiWord, Blogtorrent, scponly, rssh, and kfax.
[LinuxDevCenter.com]
Security Alerts ELF Trouble
Noel Davis looks at problems in the Linux kernel, sudo, TWiki, phpBB, cscope, Cyrus IMAP, Bugzilla, ProZilla, unarj, libxml2, and fetch.
[LinuxDevCenter.com]
Security Alerts Trouble in iptables
Noel Davis looks at problems in Linux iptables, OpenSSL, PuTTY, rssh, Quake II Server, libmagick6, HP Serviceguard, Xpdf, FreeRadius, WVTFTPD, GNU tftp, and pppd.
[LinuxDevCenter.com]
Secure Your Wireless with IPSec
Wireless can make your life much, much easier, but those pesky radio waves won't stay put. Sometimes this is good, but sometimes you want to lock down your network. WEP and MAC address filtering aren't secure enough. IPSec, the same approach used to secure VPNs, is much better. Dan Langille explains how to configure Wifi with IPSec.
[ONLamp.com]
The Basics of DNSSEC
The Domain Name System (DNS) is one of the building blocks of the modern Internet. It's showing its age, though; it comes from a time when trust was the default. Now it's time to move to more secure approaches. David Gordon and Ibrahim Haddad provide a technical tutorial on DNS Security Extensions (DNSSEC), a technique for securing DNS.
[ONLamp.com]
Google Your Site For Security Vulnerabilities
The fact that Google indexes pages you might never have known were public is both good and bad. It's good when you're searching for specialized or esoteric information. It's bad when Google indexes potential security vulnerabilities on your site. Nitesh Dhanjani demonstrates how to use the Google API to help identify your inadvertently shared secrets.
[ONLamp.com]
Network Tool Development with hping3
Network security analysts sometimes need access to create and analyze raw packets. Salvatore Sanfilippo's hping is a tool that allows them to do just that. Federico Biancuzzi recently interviewed Salvatore on the project's design, implementation, and goals.
[ONLamp.com]
You want to prevent a specific TCP service from being invoked on your
system by
inetd.