CVE-2004-1489: Exposure of Resource to Wrong Sphere

Opera 7.54 and earlier does not properly limit an applet's access to internal Java packages from Sun, which allows remote attackers to gain sensitive information, such as user names and the installation directory...

CVE-2004-1491: Undefined Security Weakness

Opera 7.54 and earlier uses kfmclient exec to handle unknown MIME types, which allows remote attackers to execute arbitrary code via a shortcut or launcher that contains an Exec entry...

CVE-2005-0457: Uncontrolled Search Path Element

Opera 7.54 and earlier on Gentoo Linux uses an insecure path for plugins, which could allow local users to gain privileges by inserting malicious libraries into the PORTAGETMPDIR portage temporary directory...

GLSA-200502-17 : Opera: Multiple vulnerabilities

The remote host is affected by the vulnerability described in GLSA-200502-17 Opera: Multiple vulnerabilities Opera contains several vulnerabilities: fails to properly validate Content-Type and filename. fails to properly validate date: URIs. uses kfmclient exec as the Default Application to handl...

CVE-2004-0872

CVE-2004-0872 affects Opera and describes a cookie handling flaw where cookies sent over an insecure channel (HTTP) can also be presented on a secure channel (HTTPS/SSL) within the same domain. This enables potential cookie leakage and unauthorized session usage (Cross Security Boundary Cookie In...

CVE-2004-0872: Incorrect Resource Transfer Between Spheres

Opera does not prevent cookies that are sent over an insecure channel HTTP from also being sent over a secure channel HTTPS/SSL in the same domain, which could allow remote attackers to steal cookies and conduct unauthorized activities, aka "Cross Security Boundary Cookie Injection."...

CVE-2005-0235

CVE-2005-0235 concerns the IDN homograph spoofing vulnerability in Opera 7.54, where punycode-encoded domain names are decoded in URLs and SSL certificates in a way that can impersonate domains and enable phishing. The SUSE advisory SUSE-SA-2005:031 notes this issue as part of Opera’s vulnerabili...

CVE-2005-0235

The International Domain Name IDN support in Opera 7.54 allows remote attackers to spoof domain names using punycode encoded domain names that are decoded in URLs and SSL certificates in a way that uses homograph characters from other character sets, which facilitates phishing attacks...

CVE-2005-0235: Undefined Security Weakness

The International Domain Name IDN support in Opera 7.54 allows remote attackers to spoof domain names using punycode encoded domain names that are decoded in URLs and SSL certificates in a way that uses homograph characters from other character sets, which facilitates phishing attacks...

Opera may insecurely execute binary data encoded in a URI

Overview The Opera web browser fails to validate data encoded using the RFC 2397 scheme. A remote attacker may be able to execute arbitrary code on a vulnerable system. Description The Opera web browser fails to properly handle binary data encoded following the RFC 2397 specification for sending...

CVE-2005-0456

Opera 7.54 and earlier does not properly validate base64 encoded binary data in a data: RFC 2397 URL, which causes the URL to be obscured in a download dialog, which may allow remote attackers to trick users into executing arbitrary code...

opera -- "data:" URI handler spoofing vulnerability

A Secunia Advisory reports: Michael Holzt has discovered a vulnerability in Opera, which can be exploited by malicious people to trick users into executing malicious files. The vulnerability is caused due to an error in the processing of "data:" URIs, causing wrong information to be shown in a...

CVE-2004-1201

Opera 7.54 allows remote attackers to cause a denial of service application crash from memory exhaustion, as demonstrated using Javascript code that continuously creates nested arrays and then sorts the newly created arrays...

CVE-2004-1157

Opera 7.x up to 7.54, and possibly other versions, allows remote attackers to spoof arbitrary web sites by injecting content from one window into a target window whose name is known but resides in a different domain, as demonstrated using a pop-up window on a trusted web site, aka the "window...

Phishing attack possible with a delayed JavaScript prompt – Opera Security Advisories

Phishing attack possible with a delayed JavaScript prompt – Opera Security Advisories OPCOM Team | January 5, 2005 Severity: Moderate/low Problem description A malicious page can be crafted to send the userto his banking site, and shortly afterwardsdisplay a dialog enticing the user to type inhis...

CVE-2004-2491

A race condition in Opera web browser 7.53 Build 3850 causes Opera to fill in the address bar before the page has been loaded, which allows remote attackers to spoof the URL in the address bar via the window.open and location.replace HTML parameters, which facilitates phishing attacks...

CVE-2004-1490

Opera 7.54 and earlier allows remote attackers to spoof file types in the download dialog via dots and non-breaking spaces ASCII character code 160 in the 1 Content-Disposition or 2 Content-Type headers...

CVE-2004-2659

Opera offers an Open button to verify that a user wishes to execute a downloaded file, which allows user-assisted remote attackers to construct a race condition that tricks a user into clicking Open via a request for a different mouse or keyboard action very shortly before the Open dialog appears...

CVE-2004-2570

Opera before 7.54 allows remote attackers to modify properties and methods of the location object and execute Javascript to read arbitrary files from the client's local filesystem or display a false URL to the user...

CVE-2004-2260

Opera Browser 7.23, and other versions before 7.50, updates the address bar as soon as the user clicks a link, which allows remote attackers to redirect to other sites via the onUnload attribute...