Wednesday, May 7th, 2008
In PHP there exist two functions to escape shell commands or arguments to shell commands that are used in PHP applications to protect against shell command injection vulnerabilities.
- escapeshellcmd()
- escapeshellarg()
Unfortunately it was discovered that both functions fail to protect against shell command injection when the shell uses a locale with ...
Posted in Coding, PHP, Security | No Comments
Friday, May 2nd, 2008
The developers of the PHP scripting language have issued Version 5.2.6, which fixes numerous bugs and plugs some security holes. The changes are comprehensive, including bug fixes to modules that link to third-party products. PHP 5.2.6 also rectifies several flaws that could have caused a crash.
The developers have eliminated errors ...
Posted in Coding, Internet, PHP, Security | No Comments
Monday, April 28th, 2008
Microsoft has provided security advice to web developers using its products after many such sites were compromised. Last week, hundreds of thousands of web pages were infected with a malicious iframe which tries to infect visitors with a trojan. Many high profile sites including the United Nations (un.org), the UK ...
Posted in Internet, Security | No Comments
Saturday, April 26th, 2008
How can an attacker exploit a PL/SQL procedure that doesn’t even take user input? Or how does one do SQL injection using DATE or even NUMBER data types? In the past this has not been possible but as this paper will demonstrate, with a little bit of trickery, you can ...
Posted in Coding, Internet, Privacy, Security, Software | No Comments
Thursday, April 24th, 2008
There's another round of mass SQL injections going on which has infected hundreds of thousands of websites.
Performing a Google search results in over 510,000 modified pages.
Posted in Coding, Internet, Security | No Comments
Monday, April 21st, 2008
Almost everyone knows what CSRF or better unauthorized requests are. I never really embraced CSRF as the correct term for unauthorized request issues, because the term is outdated and inadequate to contemporary hacking. For me, an unauthorized request is the layer or automation of a hacking procedure without direct interference ...
Posted in Internet, Privacy, Security | No Comments
Wednesday, April 16th, 2008
About one percent of the Internet web pages are being changed in transit, sometimes in a harmful way, according to researchers at the University of Washington.
In a paper, set to be delivered Wednesday, the researchers document some troubling practices. In July and August they tested data sent to about 50,000 ...
Posted in Coding, Internet, Privacy, Security | No Comments
Tuesday, April 15th, 2008
Sqlninja is a tool targeted to exploit SQL Injection vulnerabilities on a web application that uses Microsoft SQL Server as its back-end. Its main goal is to provide a remote shell on the vulnerable DB server, even in a very hostile environment. It should be used by penetration testers to ...
Posted in Internet, Privacy, Security, Software | No Comments
Friday, April 11th, 2008
Up to 80% of Web sites flagged as malicious by antivirus and search engine indexes are legitimate businesses, according to security experts.
Experts said while the security industry is on top of conventional spam and phishing attacks, more effort needs to be put into preventing and eliminating so-called drive-by-downloads.
The attacks allow ...
Posted in Internet, Security | No Comments
Friday, April 11th, 2008
Traditional IDS/IPS systems occur at the network level, usually plugged into a spanning port on a switch. I love this concept and think it should be part of any defense in depth strategy. The two primary weaknesses in these devices are, (1) they cannot process encrypted streams and (2) they ...
Posted in Coding, Internet, Security | No Comments