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These vulnerabilities, which are not applicable to Java running on servers or standalone Java desktop applications, can be exploited remotely without authentication. Three of the bugs are rated as High, which means the vulnerability could let an attacker read or modify confidential data belonging to other web sites.
Note that the referenced bugs will be kept private until a majority of Chrome users have upgraded. This means that for the last four months Oracle has had information about critical Java vulnerabilities including proof of concept code.
Oracle use a 4 month patch cycle (middle of February, June, October) and the next patch is scheduled for October 16. The US-CERT warning comes after the discovery earlier this month of a piece of ransonware known as Reveton. Needless to say, government agencies don’t send out official notifications as unsolicited emails or web popup alerts and are required by law to be delivered directly to the individual. Oracle have yet to comment on the vulnerability and since every major browser is susceptible to the attack, US-CERT has released Vulnerability Note VU#636312 which advises users to disable the Java browser plugin.
To disable Java applets in Firefox, click on the Firefox button and then click Add-ons., select the Plugins panel, click on the Java (TM) Platform plugin and then click on the Disable button. Disabling Java in Internet Explorer isn’t easy, detailed instructions can be found here, here and here.
Also since the exploit was added to the Metasploit penetration testing framework it became available to every would-be hacker. With the new two-step authenticaton, a security code is needed to login along with the normal username and password. Dropbox have also added a way for users to check all recent account logins, like the  two-factor authentication settings, this is on the Security tab. Further setup instructions are also available in the Dropbox Help Center. The worrying thing is that Oracle use a 4 month patch cycle (middle of February, June, October) and the next patch is scheduled for October 16. A module has been published for Metasploit and it is my advice that you disable Java on all your systems! Most home users don’t run Java programs and have no need for it. Phishing is, of course a crime, and it is perpetrated by fraudsters who can persuade victims to respond to a legitimate-looking email or click on a seemingly safe link. MS-CHAP2 is an old authentication protocol which Microsoft introduced with NT4.0 SP4 and Windows 98.
Using the new techniques presented at Defcon 20, David Hulton’s PicoComputing built a box, using FPGAs, which can crack MS-CHAP2 in at most 24 hours and often in just half that amount of time. To exploit the weaknesses and obtain user credentials, the attacker has to be able to intercept the victim’s MS-CHAP v2 handshake by performing man-in-the-middle attacks or by intercepting open wireless traffic. The United States Computer Emergency Readiness Team (US-CERT) has issued an advisory which reveals that a number of companies may be impacted by a vulnerability that affects some 64-bit operating systems and virtualization software that relies on Intel CPU hardware. If successfully leveraged, the security hole could be exploited for local privilege escalation or a guest-to-host virtual machine escape.
The report also includes the responses from certain affected vendors such as Xen, FreeBSD, Microsoft and Red Hat. Microsoft admitted that the vulnerability could be leveraged by an attacker to install programs, create new accounts with complete privileges, and view or alter data. The Redmond company, however, revels a number of mitigation factors, including the fact that only Intel x64-based versions of Windows 7 and Windows Server 2008 R2 are affected, and systems that utilize ARM-based or AMD processors are not impacted.
Furthermore, an attacker would require a set of valid logon credentials because anonymous or remote users could not exploit the vulnerability. After the Federal Bureau of Investigations (FBI) issued an alert to warn users about the existence of malicious campaigns that impersonate the agency, now the United States Computer Emergency Readiness Team (US-CERT) has released a similar advisory.

Ransomware is the type of malware that locks a computer, or takes files hostage, informing victims that they’ve broken the law by accessing illegal content. US-CERT also highlights the fact that users should seek help from professionals instead of paying the money. Victims are also recommended to file a complaint with the FBI’s Internet Crime Complaint Center. Windows Phone: Scoperta una vulnerabilita nella sincronizzazione delle e-mail, Microsoft rilascera un aggiornamento per risolvere il problema! Attualmente Windows Phone soffre di una vulnerabilita in termini di sicurezza durante la sincronizzazione dell’e-mail utilizzando i protocolli di comunicazione POP3, IMAP e SMTP utilizzando i certificati SSL.
Questo vulnerabilita e stata scoperta dal sito US-CERT (United States Computer Emergency Readiness Team). Articolo successivo RoadPilot Mobile: L’app per essere avvisati e segnalare la presenza di autovelox nel nostro tragitto!
Windows 10 Mobile – Disponibile al download la nuova build 10586.107 per gli Insider! Questo sito utilizza i cookie per aiutarci a offrirvi una migliore esperienza di navigazione e per i banner pubblicitari. The United States Computer Emergency Readiness Team (US-CERT) warns Internet users that they may receive a malicious email that seems to be sent from a legitimate email address belonging to the organization. Local governments, state, federal and private sector organizations seem to be the main target of this latest phishing campaign that’s designed to gather sensitive information.
US-CERT will provide additional information as it becomes available, but in the meantime, internauts are advised to install antivirus software and make sure its virus definition database is always up-to-date.
Also, avoid opening attachments contained in emails that come from suspicious email addresses, especially if they contain executable files.
The update addresses security issues CVE-2012-4681 (US-CERT Alert TA12-240A and Vulnerability Note VU#636312) and two other vulnerabilities (CVE-2012-3136, and CVE-2012-0547) affecting Java running in web browsers on desktops.
The exploit happens when an unsuspecting user visits a malicious web page designed to leverages the vulnerabilities. The update is available in 32-bit and 64-bit versions for all platforms except OS X which is 64-bit only. Under its rewards scheme, which Google set up to pay researchers who find security related bugs in the Chrome source code, Google paid out $3500 for five of the eight bugs squashed. As part of the research, Security Explorations developed reliable Proof of Concepts for ALL of the issues found. The last status report that Adam Gowdiak received from Oracle revealed that the company was planning to fix the two vulnerabilities, which are being exploited today, in its October Critical Patch Update (CPU). It appears that some bloggers irresponsibly reported the vulnerability by including links to known sites serving the attack. The move comes after a recent security incident where spammers got hold of the email addresses of some Dropbox users. After an investigation Dropbox blamed the security failure on an employee who reused his work password on a website that had been hacked. The security code is issued by a mobile authenticator app (available for iOS, Android, Blackberry and Windows Phone 7) or sent by SMS to the user’s phone. It is a vulnerability (bug) in software that no-one knew about (hence zero day) which allows hackers to execute remote code on a victim’s machine. On top of that the majority of security experts agree that the risk of running Java outweighs the potential benefits. The number of phishing attacks rose again (for the fourth time), this time by 19% compared to the second half of 2011. Although Canada occupies a spot in the top three, it has also seen some significant increases with phishing attacks increasing by nearly 400% in the first half of 2012.

The updates fix multiple vulnerabilities that could cause a crash and potentially allow an attacker to take control of the affected system. Adobe (in recent times) releases security updates for its products on the second Tuesday of the month. Today the protocol is still widely used for PPTP VPNs, as well as in WPA2 Enterprise environments. Use a more secure VPN tunnel – Microsoft recommends using L2TP, IKEv2, or SSTP VPN tunnels in conjunction with MS-CHAP v2 or EAP-MS-CHAP v2 for authentication.
The list of the impacted organizations is completed by Intel Corporation, NetBSD, Oracle Corporation and SUSE Linux.
Il problema sta appunto nel sistema operativo che non verifica il CN (Common Name) dei certificati durante la connessione ai server utilizzando la crittografia SSL.
Microsoft sta cercando di tenere alto il livello di sicurezza dei propri prodotti, in particolare quello di Windows Phone 8. Upon successful exploitation the attackers can run arbitrary code on the victim’s computer. New versions of the Java SE Development Kit are with the updated Java runtimes are also available. The first High severity bug earned $1000 for Miaubiz and was related to a bad cast with run-ins. The malware, which impersonates the United States Cyber Command (USCYBERCOM) and the Federal Bureau of Investigation (FBI), displays an alert telling the victim that a Federal Government agency has associated the user’s computer with one or more online crimes.
To unlock their machines, users are required to pay a fine using a prepaid money card service. The FBI has confirmed that the malware has already successfully stolen money from a number of innocent victims.
In real terms this means that the estimated worldwide financial losses from these attacks alone amounted to over US$687 million.
This is likely due to the economic health of the North American country, to put it simply fraudsters follow the money. However it has also remained committed to being flexible when faced with a zero-day attack. Questo si traduce in una potenziale minaccia che permetterebbe a qualcuno di visualizzare i dati di accesso o la sessione corrispondente ai protocolli POP3, IMAP e SMTP. The spotting of a bad cast in XSL transforms pocketed Nicolas Gregoire $1000 while the third High severity bug was found by Google itself, a fix to avoid stale buffers in URL loading. Those issues included the two zero-day vulnerabilities that are being exploited in the wild now.
To regain use of the computer the victim must pay a fine, often through a prepaid money card service.
Since this new release could be considered out-of-band (as last week’s update also covered Shockwave Player and Acrobat Reader), does Adobe know something about a zero day attack which hasn’t yet been published? Anziche andare a prendere i laureati indiani che valgono come un perito informatico nostro puntassero su gente veramente qualificata, certe cose non accadrebbero. Including further vulnerabilities that the company reported to Oracle in May, the total reported problems was 29. Or was last weeks update the out-of-band release as the CVE-2012-1535 vulnerability was being exploited in the wild (via a malicious Word document) and this release is the normal monthly security update?

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