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|0925716f-34e2-11e2-aa75-003067c2616f||opera -- execution of arbitrary code|
When requesting pages using HTTP, Opera temporarily stores the
response in a buffer. In some cases, Opera may incorrectly allocate
too little space for a buffer, and may then store too much of the
response in that buffer. This causes a buffer overflow, which in
turn can lead to a memory corruption and crash. It is possible to
use this crash to execute the overflowing data as code, which may
be controlled by an attacking site.
|85f33a8d-492f-11e2-aa75-003067c2616f||opera -- execution of arbitrary code|
When loading GIF images into memory, Opera should allocate the
correct amount of memory to store that image. Specially crafted
image files can cause Opera to allocate the wrong amount of memory.
Subsequent data may then overwrite unrelated memory with
attacker-controlled data. This can lead to a crash, which may also
execute that data as code.
|ea0f45e2-6c4b-11e2-98d9-003067c2616f||opera -- execution of arbitrary code|
Particular DOM event manipulations can cause Opera to crash. In
some cases, this crash might occur in a way that allows execution
of arbitrary code. To inject code, additional techniques would
have to be employed.
|38daea4f-2851-11e2-9483-14dae938ec40||opera -- multiple vulnerabilities|
CORS (Cross-Origin Resource Sharing) allows web pages to retrieve
the contents of pages from other sites, with their permission,
as they would appear for the current user.
When requests are made in this way, the browser should only allow
the page content to be retrieved if the target site sends the
correct headers that give permission for their contents to be
used in this way. Specially crafted requests may trick Opera
into thinking that the target site has given permission when it
had not done so. This can result in the contents of any target page
being revealed to untrusted sites, including any
sensitive information or session IDs contained within the
source of those pages.
Also reported are vulnerabilities involving SVG graphics and XSS.