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Multiple Browsers Telnet URI Handler File Manipulation Vulnerability

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Release Date:  2004-05-13    Last Update:  2005-08-10    Views:  38,680

Secunia Advisory SA11602

Where:

From remote

Impact:

Manipulation of data

Solution Status:

Vendor Patch

CVE Reference(s):

Description


A vulnerability has been reported in various browsers, which can be exploited by malicious people to create or truncate files on a user's system.

The vulnerability is caused due to an input validation error within the telnet URI Handler. The problem is that "-" characters aren't filtered at the beginning of a hostname, which makes it possible to pass options to the telnet utility.

The vulnerability has been reported in the following versions:
* Opera Browser 7.23
* KDE Konqueror included in KDE 3.2.2 and prior
* Mozilla Firefox 0.8
* Safari 1.2.1 (v125.1)
* Internet Explorer for Mac 5.2


Solution:
Opera Software has fixed in the vulnerability in version 7.50.

Further details available to Secunia VIM customers

Provided and/or discovered by:
Discovered by: Karol Wiesek and Greg MacManus.
Reported by: iDEFENSE.

Original Advisory:
iDEFENSE:
http://www.idefense.com/application/poi/display?id=104&type=vulnerabilities

KDE:
http://www.kde.org/info/security/advisory-20040517-1.txt

Deep Links:
Links available to Secunia VIM customers

Do you have additional information related to this advisory?

Please provide information about patches, mitigating factors, new versions, exploits, faulty patches, links, and other relevant data by posting comments to this Advisory. You can also send this information to vuln@secunia.com

Subject: Multiple Browsers Telnet URI Handler File Manipulation Vulnerability

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