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Thread: PCWorks: Firefox Vulnerability-"wyciwyg://" Handler Vulnerability




PCWorks: Firefox Vulnerability-"wyciwyg://" Handler Vulnerability
country flaguser name
United States
2007-07-12 10:56:03
THIRD attempt at posting these!!



TITLE:
Firefox "wyciwyg://" Handler Vulnerability

SECUNIA ADVISORY ID:
SA25990

VERIFY ADVISORY:
http://secunia.c
om/advisories/25990/

CRITICAL:
Less critical

IMPACT:
Spoofing, Exposure of sensitive information

WHERE:
>From remote

SOFTWARE:
Mozilla Firefox 2.0.x
http://secunia.com/
product/12434/

DESCRIPTION:
Michal Zalewski has discovered a vulnerability in Mozilla
Firefox,
which can be exploited by malicious people to disclose
sensitive
information and conduct spoofing attacks.

The vulnerability is caused due to an error in the handling
of
the
"wyciwyg://" URI handler. This can be exploited to
access or
spoof
contents from a previously cached web site e.g. via HTTP
302
redirects when a user visits a malicious web page.

The vulnerability is confirmed in version 2.0.0.4. Other
versions may
also be affected.

SOLUTION:
Do not browse untrusted web sites.

ORIGINAL ADVISORY:
http://lcamtuf.co
redump.cx/ffcache/
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