Opera Web Browser Detection

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HackerOne: Reflected Filename Download

First of all congratulations on awesome bounty system. Big fan here! I found out that it's possible run a RFD attack on Hackerone. If we visit: https://hackerone.com/dsopas We see the normal HTML webpage. Nothing new here. But if we add ?format=json to the URL we can see the JSON file generated b...

Opera < 28.0.1750.40 SSL/TLS EXPORT_RSA Ciphers Downgrade MitM (Mac OS X) (FREAK)

The remote Mac OS X host has a version of the Opera web browser installed that is prior to 28.0.1750.40. It is, therefore, affected by a security feature bypass vulnerability, known as FREAK Factoring attack on RSA-EXPORT Keys, due to the support of weak EXPORTRSA cipher suites with keys less tha...

Opera Installed (Mac OS X)

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Dealing with FREAK and SuperFish

Security Dealing with FREAK and SuperFish Share March 10th, 2015 The FREAK TLS attack Following the trend of memorable names for TLS attacks, FREAK was recently announced. This exploits a bug in some TLS libraries, combined with the support of ancient weak ciphers, to enable a MitM to force...

WhatsApp Web Client Now Available on Firefox and Opera Browsers

It's been a long time coming, but now the users of Firefox and Opera browsers don’t need to rely on the Chrome browser to access WhatsApp Web client, as the most popular smartphone messaging service has announced that the Web-based version of its service now works on Firefox and Opera web browser...

Optimizing encrypted video

Security Optimizing encrypted video Share February 25th, 2015 You might have seen our press release that Opera’s Rocket Optimizer can now optimize encrypted video streams. The attentive reader will already have halted and said, “wait, what?”. In this blog post, we’ll explain how this works. Rocke...

Facebook Launches Free Mobile Internet Service In India

Last year, the founder of the Social Network giant highlighted the future of universal Internet access, the dream that Facebook founder Mark Zuckerberg wants to fulfill — Making Internet access available to everyone across the world just like a service as essential as of 911 in the case of an...

Thanks to the researchers 2015

Research Thanks to the researchers 2015 Share January 16th, 2015 At Opera Software, we run a large number of websites for our products and services, and we like to give credit to the researchers and website testers who offer their assistance to help us tighten the security of those websites. We...

Security changes in Opera 25; the poodle attacks

Security Security changes in Opera 25; the poodle attacks Share October 15th, 2014 So the last weeks have been rather hectic behind the scenes in the browser security world, when Google security group found a new way to exploit a rather well known design weakness in SSLv3 published in the paper...

WebBrowserPassView v1.56 - Recover lost passwords stored in your Web browser

WebBrowserPassView is a password recovery tool that reveals the passwords stored by the following Web browsers: Internet Explorer Version 4.0 - 11.0, Mozilla Firefox All Versions, Google Chrome, Safari, and Opera. This tool can be used to recover your lost/forgotten password of any Website,...

Android browser serious bug affecting half of Android users-vulnerability warning-the black bar safety net

Open source Android browser is found a affect half of Android users of a serious bug, which could allow a malicious web site injection JS script to access other site content, such as read passwords and cookies and other sensitive data. The browser will usually be designed to prevent a site script...

Security changes in Opera 23

News Security changes in Opera 23 Share August 19th, 2014 Opera 23 has been out on the stable channel for a while, and we have just released a few silent security updates as well. The first was a regular Opera security fix, the second was to take in a security patch in advance of the regular...

Adobe Reader <= 9.1.3 Plugin Open Parameters Cross-Site Scripting Vulnerability

No description provided by source. source: http://www.securityfocus.com/bid/21858/info Adobe Reader Plugin is prone to a cross-site scripting vulnerability because the application fails to properly sanitize user-supplied input. An attacker may leverage this issue to have arbitrary script code...

Opera 7.10 Permanent Denial of Service Vulnerability

No description provided by source. source: http://www.securityfocus.com/bid/7430/info Allegedly, a vulnerability exists in Opera 7.10 that may result in a denial of service. The problem reportedly occurs when processing a 'news:' URL of excessive length. It has been reported that this issue will...

Opera Web Browser 7 IFRAME Zone Restriction Bypass Vulnerability

No description provided by source. source: http://www.securityfocus.com/bid/8887/info A flaw in the Opera web browsers security model has been discovered that could allow an attacker to access a users filesystem within the Local Zone. The problem occurs when handling malformed HTML iframes which...

Opera Web Browser 11.11 Remote Crash

No description provided by source...

Opera 7.20 Mail Client Policy Circumvention Vulnerability

No description provided by source. source: http://www.securityfocus.com/bid/8254/info The Opera M2 Mail Client is vulnerable to a policy circumvention issue that could allow information to be disclosed to a remote attacker. It is possible for an attacker to bypass the option to suppress the viewi...

Opera Web Browser 12.11 Crash PoC

No description provided by source. Title : Opera Web Browser 12.11 WriteAV Vulnerability Version : 12.11 Build 1661 and 12.12 Date : 2012-12-03 Vendor : http://www.opera.com/ Impact : High Contact : coolkaveh at rocketmail.com Twitter : @coolkaveh tested : windows XP SP3 Author : coolkaveh Opera ...

Opera 6.0.1/6.0.2 Arbitrary File Disclosure Vulnerability

No description provided by source. source: http://www.securityfocus.com/bid/4834/info A vulnerability has been reported in Opera 6.01/6.02. The vulnerability is related to handling of the 'file' HTML input-type. It is possible for a server to set the file value, while fooling Opera into thinking ...