Archive | July, 2009

GFI LANguard 9 Review – Network Security Scanner & Vulnerability Management Tool

Outsmart Malicious Hackers


GFI LANguard is a product that has been around for a LONG time, I remember using it way back at version 3 or 4 and it was always my choice of platform if I was auditing a Windows based network.

Especially internal Windows LAN setups with a domain, for Linux I always felt there were better choices – but as far as Windows went LANguard was my choice.

Fairly recently GFI released version 9 of their scanner (overview here) with improvements to the scanning engine and the interface (including the monitoring dashboard which gives you a good heads-up of the scan results).

One of the big positives for me with LANguard was the ability to detect patch levels and automatically roll out patches over the network. This makes it a very comprehensive solution, the recent versions also include checks to ensure 3rd party software such as Anti-virus solutions are also up to date (full features here).

It’s as easy to install and get up and running as ever, if you do have any issues the Installation Guide is here [PDF].

Getting started with a scan is as easy as clicking 1 button, the interface has been simplified from what I remember and it’s a lot more attractive than it used to be. In fact it’s simple enough that non-security IT folks could use it without much problem.

GFI LANguard 9 - Scan

After a scan is complete you have a choice to Analyze or Remediate. The Analysis section will give you fairly detailed instructions on any vulnerabilities found (including a vulnerability level) and full system information including shares, patch levels and so on.

GFI LANguard 9 - Analyze

The Remediate section will inform you of missing patches and allow you to apply these. Other than the standard MS patches and service packs you can also deploy 3rd party applications and uninstall rogue software.

GFI LANguard 9 - Remediate

Most things in the scanner can be scheduled too so for example if you want to scan outside of office ours or roll out software/patches at the weekend you can set LANguard to do that.

The dashboard is a nice addition which gives you an overview of the network security and the changes in vulnerabilities over time.

GFI LANguard 9 - Dashboard

It also comes with the generic network utilities like Whois, DNS Lookup, Traceroute & SNMP Walk.

GFI LANguard 9 - Utilities

All in all I think it’s a great tool, especially for those managing Windows based networks. It makes your life a LOT easiest and it makes it easier to manage patches and software across the Domain.

It’s not a hardcore security tool, which means it also appeals to people more in the Sys Admin & Network areas of the industry. If you have any Windows machines do give it a look, perhaps start with the free version below.

You can download the latest version here:

GFI LANguard 9 Download

Pricing is done on a per-IP basis with prices starting from around $32USD per IP for a 10-24 IP block.

There is also a FREE version available here:

GFI LANguard 9 5-IP Freeware edition

Posted in: Advertorial, Countermeasures, Security Software, Windows Hacking

Topic: Advertorial, Countermeasures, Security Software, Windows Hacking


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Mozilla Denies Firefox 3.5 Bug Is Exploitable

Keep on Guard!


Ah a bug in our beloved Firefox, after the latest 3.5 update (which sees some definite improvements).

The last one I recall was the Clickjacking Vulnerability, which also effected Chrome.

It seems like it’s not too serious of an issue and will only cause crashing, there’s no room for remote exploitation or code execution. So it may be an annoyance, but if it’s true – it’s not that serious.

Mozilla is denying that a bug that crashes Firefox 3.5 is a security vulnerability, countering earlier reports that the company’s latest browser contained a flaw even though it had just been patched.

In a Sunday post to Mozilla’s security blog, Mike Shaver, the company’s vice president of engineering, said that the bug, which had originally been disclosed on the milw0rm hacker site, is not a vulnerability. “The reports by press and various security agencies have incorrectly indicated that this is an exploitable bug,” Shaver said. “Our analysis indicates that it is not, and we have seen no example of exploitability.”

Exploit code hit milw0rm last Wednesday. Firefox developers immediately logged the bug into Bugzilla, Mozilla’s change- and bug-tracking database. The bug, continued Shaver, does crash Firefox 3.5 — and the recently-released 3.5.1 — in some situations. But there’s no way for an attacker to exploit that by injecting malicious code on the machine. The bug can crash Windows, Mac and Linux editions of Firefox, including Firefox when it’s being run on the still-unfinished Windows 7.

I guess they will fix it soon enough in the next release (3.5.2) which should come along fairly shortly. I’d have to say I believe the Mozilla developers if they say it’s not exploitable.

So it’s not too big of an issue to worry about, just wait for the next patch roll out and you should be saved from any random crashes caused by malicious sites.

Both Shaver in his blog post and developers on Bugzilla noted that the Firefox crash on Macs was due to a flaw in Apple’s operating system, specifically the ATSUI system library. “We have reported this issue to Apple, but in the event that they do not provide a fix we will look to implement mitigations in Mozilla code,” Shaver said.

Mozilla developer Vladimir Vukicevic countered that it was unlikely Apple would fix the problem. “We’ve reported this and similar bugs in the past to Apple; they have so far had no interest in fixing such bugs in their font rendering subsystems, especially if they’re in ATSUI and not CoreText,” said Vukicevic on Bugzilla.

Another Mozilla hand suggested that the Mac OS X bug may affect other browsers as well. “Chances are more applications use the same buggy API (Safari? Chrome?),” Andreas Gal said. Gal, a project scientist at the University of California-Irvine, was a key contributor to the TraceMonkey JavaScript engine that Mozilla added to Firefox with Version 3.5.

Just last Thursday, Mozilla patched Firefox 3.5 for the first time, issuing a fix for a critical vulnerability in TraceMonkey’s just-in-time (JIT) compiler. In the run-up to creating a fix for that flaw, Mozilla developers speculated that the hacker had dug through Bugzilla to find information that helped him exploit the vulnerability.

I’ve said for quite a while that open source is a double edged sword, especially when resources such as Bugzilla are public and allow people with malicious intent to dig through the archives and look for bugs that could be exploitable.

With the code being open and the bugs being open too, it makes it much easier to develop exploits.

Thankfully it also leads to less bugs and them being fixed faster, I know which I prefer any day.

You can find the exploit on milw0rm here:

Firefox 3.5 unicode stack overflow

Source: Network World

Posted in: Exploits/Vulnerabilities, Hacking News

Topic: Exploits/Vulnerabilities, Hacking News


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bsqlbf v2.3 Released – Blind SQL Injection Brute Forcing Tool

Keep on Guard!


This perl script allows extraction of data from Blind SQL Injections. It accepts custom SQL queries as a command line parameter and it works for both integer and string based injections.

We reported bsqlbf when it first hit the net back in April 2006 with bsqlbf v1.1, then the v2.0 update in June 2008. This new update adds much better Oracle support.

Databases supported:

  • MS-SQL
  • MySQL
  • PostgreSQL
  • Oracle

The 6 Attack Models

  • Type 0: Blind SQL Injection based on true and false conditions returned by back-end server
  • Type 1: Blind SQL Injection based on true and error(e.g syntax error) returned by back-end server.
  • Type 2: Blind SQL Injection in “order by” and “group by”.
  • Type 3: extracting data with SYS privileges (ORACLE dbms_export_extension exploit)
  • Type 4: is O.S code execution (ORACLE dbms_export_extension exploit)
  • Type 5: is reading files (ORACLE dbms_export_extension exploit, based on java)

New additions

-type: Type of injection:

3: Type 3 is extracting data with DBA privileges
(e.g. Oracle password hashes from sys.user$)
4: Type 4 is O.S code execution(default: ping 127.0.0.1)
5: Type 5 is Reading O.S files(default: c:\boot.ini)

Type 4 (O.S code execution) supports the following sub types:

-stype: How you want to execute command:

0: SType 0 (default) is based on java,
universal but won’t work against XE
1: SType 1 against oracle 9 with plsql_native_make_utility
2: SType 2 against oracle 10 with dbms_scheduler

You can download bsqlbf v2.3 here:

bsqlbf-v2-3.pl

Or read more here.

Posted in: Database Hacking, Hacking Tools, Web Hacking

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Chinese Company Shares Huge Malware Database

Outsmart Malicious Hackers


We need more companies like this that acknowledge hoarding data isn’t doing anything for the greater good, to really stamp out the core problems you have to share the data you’ve correlated across the World so everyone can put together what they have and do something about it.

It seems like with China pumping out the most malware this might be a very useful project, they have designed it quite intelligently too meaning it’s useful for many applications.

A Chinese company that has created a massive database of malware found on Chinese Web sites opened up the information to other security organizations on Thursday. Beijing-based KnownSec gathered the viruses and other information with a crawler that scans nearly 2 million Chinese Web sites each day, Zhao Wei, CEO of the security company, said in an interview in Beijing. He planned to give a presentation on the subject at the Forum of Incident Response and Security Teams (FIRST) security conference in Kyoto, Japan this week.

The database covers more Chinese Web sites and provides more up-to-date information about their security than any other, Zhao said in the interview. China produces the majority of the world’s malware, he said. A history for each site in the database lists dates of malware infection, the strings of malicious code placed on the sites and which antivirus products defend viewers against their attacks. The database also stores tens of thousands of viruses found being distributed by the sites.

Apparently according to McAfee with the current rate of malware growth in China, it could be doubling every year.

And phishing is starting to wake up in China, so get ready for more spam and scam e-mails with terrible English

KnownSec each day finds more than 100 Trojan downloader files that have never been seen before, Zhao said. Each of those can direct a victim’s PC to download up to ten viruses. The database also has a list of Web sites that are currently compromised. Only about half of the newly infected sites KnownSec finds each day are also listed by Google as dangerous, said Zhao.

Google labels search results it has found to be potentially dangerous during scans of its index. When asked for comment, a Google spokeswoman said organizations need to work together to identify online threats and stamp them out. Security companies and national computer emergency response teams can request access to the KnownSec database, Zhao said. Security companies could use the information to shield users of their antivirus programs against new malware threats, he said.

The majority of the malware is password stealing trojans, which I’d imagine are targeted at users within China themselves and users of China based banks.

The phishing attacks are targeting these same users, either way be careful. It looks like China is jumping into the malware/phishing/spam arena with both feet so expect a rise in threats.

Source: Network World

Posted in: Malware, Phishing, Spammers & Scammers, Web Hacking

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Damn Vulnerable Web App – Learn & Practise Web Hacking

Outsmart Malicious Hackers


Damn Vulnerable Web App (DVWA) is a PHP/MySQL web application that is damn vulnerable. Its main goals are to be light weight, easy to use and full of vulnerabilities to exploit. Used to learn or teach the art of web application security.

Vulnerabilities

  • SQL Injection
  • XSS (Cross Site Scripting)
  • LFI (Local File Inclusion)
  • RFI (Remote File Inclusion)
  • Command Execution
  • Upload Script
  • Login Brute Force

Changes


  • Added Acunetix scan report.
  • All links use http://hiderefer.com to hide referrer header.
  • Updated/added ‘more info’ links.
  • Moved change log info to CHANGELOG.txt.
  • Fixed the exec.php UTF-8 output.
  • Moved Help/View source buttons to footer.
  • Fixed phpInfo bug.
  • Made DVWA IE friendly.
  • Fixed html bugs.
  • Improved README.txt and fixed typos.
  • Made SQL injection possible in sqli_med.php.

WARNING

It should come as no shock..but this application is damn vulnerable! Do not upload it to your hosting provider’s public html folder or any working web server as it will be hacked. It’s recommend that you download and install XAMP onto a local machine inside your LAN which is used solely for testing.

You can download DVWA 1.0.4 here:

dvwa_v1.0.4.zip

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Posted in: Exploits/Vulnerabilities, Secure Coding, Web Hacking

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Smart Grid Security Risks – Not So Smart Electricity Meters

Keep on Guard!


You might recall we’ve discussed the security of Industrial Control Systems before, the latest ‘evolution’ is the so called Smart Grid.

Which in all honestly, doesn’t seem to be very smart at all. In basic terms they are trying to turn the power-grid into a two way communication medium so consumers homes can report back to the grid what they are using and they can be disconnected via software rather than requiring physical intervention.

The scary part is there’s no encryption and many things are done without authentication, meaning with a little reverse engineering you can probably shut down the power to anyone on the not-so-smart grid.

New electricity meters being rolled out to millions of homes and businesses are riddled with security bugs that could bring down the power grid, according to a security researcher who plans to demonstrate several attacks at a security conference next month.

The so-called smart meters for the first time provide two-way communications between electricity users and the power plants that serve them. Prodded by billions of dollars from President Obama’s economic stimulus package, utilities in Seattle, Houston, Miami, and elsewhere are racing to install them as part of a plan to make the power grid more efficient. Their counterparts throughout Europe are also spending heavily on the new technology.

There’s just one problem: The newfangled meters needed to make the smart grid work are built on buggy software that’s easily hacked, said Mike Davis, a senior security consultant for IOActive. The vast majority of them use no encryption and ask for no authentication before carrying out sensitive functions such as running software updates and severing customers from the power grid. The vulnerabilities, he said, are ripe for abuse.

An embedded hardware system that will accept new firmware without authentication and nothing is encrypted? That is a hackers playground!

I hope they consider re-architecting the whole system ASAP on a secure platform and rolling that out as a software update. This is no small matter, this is the power grid we are talking about here – lives and business can be seriously effected by someone malicious who wanted to screw up the system.

Imagine if you work out the system and get in there first installing your own firmware which won’t accept any more updates from the main Grid system.

“For an embedded platform, they’re kind of scary,” he said. “It’s really not designed from the ground up for security. Just imagine if somebody is outside your house and has the unique identifier that’s printed on your meter.”

Companies that make gear for smart grids include GE Energy, The ABB Group, Sensus Metering, Itron and Landis+Gyr

One deficiency common among many of the meters is the use of insecure programming functions, such as memcpy() and strcpy(), which are two of the most common sources of exploitable software bugs. In many cases, the devices use general purpose hardware and software that aren’t designed for highly targeted or mission critical systems.

And all paid for by the new president and his generous stimulus packages. It seems like the whole thing has been taped together with band-aids.

There’s no excuse at all for using insecure programming functions in this day and age, I mean it’s 2009 for goodness sake.

How long has C programming been around now? And the concept of security and secure programming, especially for critical infrastructure systems like this.

Source: The Register (Thanks Alan)

Posted in: Hardware Hacking, Legal Issues

Topic: Hardware Hacking, Legal Issues


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