Find the Web's Worst Security Flaws
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The SANS Institute identifies the top 20 Internet vulnerabilities of the year.
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As per suggestions contained in the FAQ: Herein lies a report of two identified and as-of-yet uncorrected security flaws in Scoop. &nbsp;Enough detail will be provided to assist admins in investigating and correcting the flaws, but it is the author's hope that the details of the flaws will be sufficiently obscured to prevent abuse by the undesirables. Executive summary: Through the exploitation of various unchecked privileged operations, attackers may be able to perform admin-level actions leading to data loss. &nbsp;Additionally, well-intentioned security measures combined with XSS vulnerabilities can be exercised to simulate admin-level action, resulting in data loss.
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The Web is scarier than most people realize, according to research published recently by Google.
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The Web is scarier than most people realize, according to research published recently by Google.The search engine giant trained its Web crawling software on billions of Web addresses over the past year looking for malicious pages that tried to attack their visitors. They found more than 3 million of them, meaning that about one in 1,000 Web pages is malicious, according to Neils Provos, a senior staff software engineer with Google.These Web-based attacks, called &quot;drive-by downloads&quot; by security experts, have become much more common in recent years as firewalls and better security practices by Microsoft have made it harder for worms and viruses to directly attack computers.In the past year the Web sites of Al Gore&#39;s An Inconvenient Truth movie and the Miami Dolphins were hacked, and the MySpace profile of Alicia Keys was used to attack visitors.Criminals are getting better at this kind of work. They have built very successful automated tools that poke and prod Web sites, looking for programming errors and then exploit these flaws to install the drive-by download software. Often this code opens an invisible iFrame page on the victim&#39;s browser that redirects it to a malicious Web server. That server then tries to install code on the victim&#39;s PC. &quot;The bad guys are getting exceptionally good at automating those attacks,&quot; said Roger Thompson, chief research officer with security vendor Grisoft.In response, Google has stepped up its game. One of the reasons it has been scouring the Web for malicious pages is so that it can identify drive-by-download sites and warn Google searchers before they visit them. Nowadays about 1.3 percent of all Google search queries list malicious results somewhere on the first few pages.Some of the data surprised Provos.&quot;When we started going into this, I had the firm intuition that if you go to the sleazier parts of the Web, you are in more danger,&quot; he said.It turns out the Web&#39;s nice neighborhoods aren&#39;t necessarily safer than its red-light districts.&quot;We looked into this and indeed we found that if you ended up going to adult-oriented pages, your risk of being exposed [to malicious software] was slightly higher,&quot; he said. But &quot;there really wasn&#39;t a huge difference.&quot;&quot;Staying away from the disreputable part of the Internet really isn&#39;t good enough,&quot; he noted.Another interesting finding: China was far and away the greatest source of malicious Web sites. According to Google&#39;s research, 67 percent of all malware distribution sites are hosted in China. The second-worst offender? The U.S., at 15 percent, followed by Russia (4 percent), Malaysia (2.2 percent), and Korea (2 percent).It costs next to nothing to register a Web domain in China and service providers are often slow to shut down malicious pages, said Thompson. &quot;They&#39;re the Kleenex Web sites,&quot; he said. Criminals &quot;know they&#39;re going to be shut down, and they don&#39;t care.&quot;Malicious site operators in China fall into two broad categories, Thompson said: Fraudsters looking to steal your banking password, and teenagers who want to steal your World of Warcraft character.So how to stop this growing pestilence?Google&#39;s Provos has this advice for Web surfers: Turn automatic updates on. &quot;You should always run your software as updated as possible and install some kind of antivirus technology,&quot; he said.But he also thinks that Webmasters will have to get smarter about building secure Web sites. &quot;I think it will take concentrated efforts on all parts,&quot; for the problem to go away, he said.
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A vulnerability in AOL's instant messenger could allow attacks. Also: A new Bagle variant rumbles across the Net.
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Users of the Mozilla and Firefox browsers and the Thunderbird e-mail client may be vulnerable to flaws that could allow an attacker to spy on or take over a system, according to security researchers.
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Fending off predators, preteens and malware perpetrators on the most-visited Web site in the nation? Meet the guy who's got the job you're glad you don't have.
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Worried about catching viruses, spyware, or other malicious software while surfing the Web?
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Latest worm poses a risk to many Web sites using the PHP scripting language.
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Update to "critical" Internet Explorer patch repairs a serious security flaw introduced by the original version.
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An unpatched IE security flaw can install malicious software via rigged Web sites, including porn sites.
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Just a day after Apple unveils its browser, security researchers report 18 flaws--and counting.
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In the very week Mozilla Firefox Version 1.0 was launched, a series of potentially nasty security holes have been uncovered in older versions of the browser.
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Gareth Heyes has a new post today talking about one of the vulnerable values in the $_SERVER superglobal - PHP_SELF.   I thought it might be a good idea to gather a few test cases demonstrating the problem. Why PHP allows these URL's is beyond me and it wouldn't take much work to filter out these malicious URL's in the PHP code.   He provides four test cases to show how simple it is to abuse - one using a HTTP header, another pushing XSS through, the third mentions search pages and the fourth a direct code injection.   You can download the code here.
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Equal-opportunity hacking Polish security researcher Michal Zalewski, known for his seemingly unending stream of browser vulnerability discoveries, has struck again. This time he's reported four flaws that are sure to get the attention of bug squashers in both Microsoft and Mozilla camps.â¦
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An attack combining malicious codes on Web sites and end-user laziness could compromise millions of routers still configured with their out-of-the-box defaults.
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A security issue has been discovered in a common feature included in several Web browsers, including Mozilla, Firefox, Opera, Konqueror and Camino.