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CVSS: 7.5EPSS: 1%CPEs: 1EXPL: 1

31 Dec 2004 — The Javascript engine in Opera 7.23 allows remote attackers to cause a denial of service (crash) by creating a new Array object with a large size value, then writing into that array. • http://marc.info/?l=bugtraq&m=107936810909082&w=2 •

CVSS: 7.5EPSS: 1%CPEs: 1EXPL: 1

15 Dec 2004 — 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. • http://marc.info/?l=full-disclosure&m=110141347502530&w=2 • CWE-400: Uncontrolled Resource Consumption •

CVSS: 7.5EPSS: 0%CPEs: 1EXPL: 0

10 Dec 2004 — 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 injection" vulnerability. • http://secunia.com/advisories/13253 • CWE-74: Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection') •

CVSS: 6.5EPSS: 1%CPEs: 1EXPL: 1

18 Oct 2004 — Opera allows remote attackers to cause a denial of service (invalid memory reference and application crash) via a web page or HTML email that contains a TBODY tag with a large COL SPAN value, as demonstrated by mangleme. • http://lcamtuf.coredump.cx/mangleme/gallery •

CVSS: 7.5EPSS: 1%CPEs: 1EXPL: 0

16 Sep 2004 — 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." Multiple browsers are susceptible to multiple cookie injection vulnerabilities. Tested: Internet Explorer 6.0 for Windows 2000 with all patches, Konqueror 3.1.4 for SuSE 9.0, Mozilla Firefox 0.9.2 for Windows 2000, Opera 7.... • http://securityfocus.com/archive/1/375407 • CWE-669: Incorrect Resource Transfer Between Spheres •

CVSS: 7.5EPSS: 0%CPEs: 4EXPL: 0

23 Jul 2004 — Opera 7.51 for Windows and 7.50 for Linux does not properly prevent a frame in one domain from injecting content into a frame that belongs to another domain, which facilitates web site spoofing and other attacks, aka the frame injection vulnerability. Opera 7.51 para Windows y 7.50 para Linux no previene apropiadamente que un marco de un dominio inyecte contenido en un marco que pertenece a otro dominio, lo que facilita la suplantación de sitios web y otros ataques. También conocida como vulnerabilidad de i... • http://secunia.com/advisories/11978 •

CVSS: 7.5EPSS: 0%CPEs: 1EXPL: 0

08 Jun 2004 — Opera 7.50 and earlier allows remote web sites to provide a "Shortcut Icon" (favicon) that is wider than expected, which could allow the web sites to spoof a trusted domain and facilitate phishing attacks using a wide icon and extra spaces. Opera 7.50 y anteriores permite a sitios web remotos suministrar un "Icono de acceso directo" (favicon) que es más ancho de lo esperado, lo que podría permitir a los sitios web suplantar un dominio de confianza y facilitar ataques de phising usando un icono ancho y espac... • http://lists.grok.org.uk/pipermail/full-disclosure/2004-June/022263.html •

CVSS: 7.5EPSS: 1%CPEs: 1EXPL: 0

20 May 2004 — Argument injection vulnerability in Opera before 7.50 does not properly filter "-" characters that begin a hostname in a telnet URI, which allows remote attackers to insert options to the resulting command line and overwrite arbitrary files via (1) the "-f" option on Windows XP or (2) the "-n" option on Linux. El navegador Web Opera no filtra adecuadamente caractéres "-" en el comienzo de un nombre de máquina en una URI telnet, lo que permite a atacantes remotos insertar opciones en la linea de comandos res... • http://security.gentoo.org/glsa/glsa-200405-19.xml • CWE-88: Improper Neutralization of Argument Delimiters in a Command ('Argument Injection') •

CVSS: 9.1EPSS: 0%CPEs: 25EXPL: 1

16 Mar 2004 — Opera allows remote attackers to bypass intended cookie access restrictions on a web application via "%2e%2e" (encoded dot dot) directory traversal sequences in a URL, which causes Opera to send the cookie outside the specified URL subsets, e.g. to a vulnerable application that runs on the same server as the target application. Opera permite a atacantes remotos saltarse las restriciones de cookies pretendidas en una aplicación web mediante secuencias de atravesamiento de directorios "%2e%2e" (punto punto co... • http://archives.neohapsis.com/archives/vulnwatch/2004-q1/0056.html • CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') •

CVSS: 8.1EPSS: 1%CPEs: 1EXPL: 1

11 Feb 2004 — Opera Web Browser 7.0 through 7.23 allows remote attackers to trick users into executing a malicious file by embedding a CLSID in the file name, which causes the malicious file to appear as a trusted file type, aka "File Download Extension Spoofing." • http://secunia.com/Internet_Explorer_File_Download_Extension_Spoofing_Test •