On Mon, 14 Jun 2004 21:43:10 GMT, "John Smith" <(E-Mail Removed)>
wrote:
>Does anyone know much about three apparent new flaws that have been
>discovered in IE? This article, http://www.vnunet.com/news/1155868,
>actually advises that you change your browser to something other than IE (as
>do most of you guys, I suppose).
>
>
>
>They've also made some mileage by pointing out that the new flaws are "Zero
>Day" flaws, meaning that the vulnerabilities have no patch as yet - the race
>is now on to see if they can be exploited before they can be patched,
>although the LSASS patch was available for nearly 3 weeks before Sasser
>started its World Tour!!
>
>
>
>Further reading seems to suggest that the flaw only impacts users of IE5.0,
>5.1 and 5.5, because the flaw has apparently already been addressed in IE6
>SP1.
>
>
>
>Anyway, can anyone throw a bit more light on this?
>
>
>
>
>
>Jeff
>
It was discovered by the Belgian security company Ubizen,..
http://www.ubizen.be/
Now I read that Microsoft is working on a patch to fix 3 IE flaws...
It is true that there was no patch and two flaws were really
dangerous,.. dangerous enough to have Ubizen propose users to
temporarelly use an alternative browser...
Ubizen wrote:
<dixit>
Ubizen's security intelligence lab (SIL) is warning its customers
against three new vulnerabilities that have been discovered in the
latest fully patched version of Microsoft Internet Explorer (IE). Two
of the vulnerabilities mean that users that connect to the internet
using IE are at significant risk of a hacker (or virus) taking
complete control of their PC. The third vulnerability enables a hacker
to launch a phishing attack, meaning hackers can pick up duped users'
confidential details. No Microsoft patch is currently available to
protect against this threat, meaning internet users need to change
their internet browser immediately or change their IE security
settings.
"Fortunately the researcher who discovered the malicious code to
exploit the first two vulnerabilities, did not distribute the attack
across the internet. However, experienced hackers are likely to have
already discovered the code," said Dirk Van Droogenbroeck researcher
in Ubizen's SIL. "As there is no fix available, the hacker community
will seek to massively exploit these vulnerabilities.
To reduce the risk of attack, businesses need to take the following
actions:
Ideally businesses should use an alternative web browser, such as
Netscape, Mozilla, Opera
If businesses choose to continue using Microsoft's IE Web browser,
they need to adjust the security settings to disable 'Active
scripting'
Set the security settings on IE Explorer as 'High' for all zones and
don't follow links from untrustworthy sources, ensure URLs are
manually entered in the address bar
"The exploits received by the researcher were created before Microsoft
was aware of the vulnerabilities - known in the security industry as
'zero-day exploits'. These exploits pose a significant security threat
to businesses. Whilst the researcher chose not to distribute a
'zero-day attack' when he discovered the code to the unknown
vulnerabilities, he did announce their existence to the world and gave
a full description of how the exploits work," continued Van
Droogenbroeck.
</dixit>
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