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Microsoft Internet Explorer Multiple Vulnerabilities
Secunia Advisory: SA12192
Release Date: 2004-07-30
Last Update: 2004-08-02
Popularity: 30,476 views

Critical:
Highly critical
Impact: DoS
System access
Where: From remote
Solution Status: Vendor Patch

Software:Microsoft Internet Explorer 5.01
Microsoft Internet Explorer 5.5
Microsoft Internet Explorer 6.x

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CVE reference:CVE-2004-0549
CVE-2004-0566
CVE-2003-1048


Description:
Microsoft has issued an update for Internet Explorer. This fixes three vulnerabilities, allowing malicious websites to cause a DoS (Denial of Service) or compromise a user's system.

1) An error can be exploited to bypass the zone restrictions in Internet Explorer.

For more information:
SA11793

2) An integer signedness error within the handling of BMP images can be exploited to execute arbitrary code. This vulnerability has already been fixed in prior service packs for Internet Explorer.

3) A boundary error within the handling of GIF images can reportedly be exploited to execute arbitrary code on a vulnerable system.

Solution:
Microsoft has released updates:

Internet Explorer 5.01 requires Service Pack 2:
http://www.microsoft.com/downloads/de...-8028-E91FCFAB252B&displaylang=en

Internet Explorer 5.01 requires Service Pack 3:
http://www.microsoft.com/downloads/de...-B72E-ED9D62577A60&displaylang=en

Internet Explorer 5.01 requires Service Pack 4:
http://www.microsoft.com/downloads/de...-985B-C3958FAD3D4C&displaylang=en

Internet Explorer 5.5 requires Service Pack 2:
http://www.microsoft.com/downloads/de...-A663-FC187C18CD9B&displaylang=en

Internet Explorer 6:
http://www.microsoft.com/downloads/de...-A75F-7636D8BEE576&displaylang=en

Internet Explorer 6 requires Service Pack 1:
http://www.microsoft.com/downloads/de...-A75F-7636D8BEE576&displaylang=en

Internet Explorer 6 requires Service Pack 1 (64-Bit Edition):
http://www.microsoft.com/downloads/de...-BD65-C8D37A0DD62D&displaylang=en

Internet Explorer 6 for Windows Server 2003:
http://www.microsoft.com/downloads/de...-8DBE-2492B4AFBC3B&displaylang=en

Internet Explorer 6 for Windows Server 2003 (64-Bit Edition):
http://www.microsoft.com/downloads/de...-BB32-F8A4D36C5FB9&displaylang=en

Changelog:
2004-08-02: Added link to US-CERT vulnerability notes.

Original Advisory:
http://www.microsoft.com/technet/security/bulletin/ms04-025.mspx

Other References:
SA11793:
http://secunia.com/advisories/11793/

US-CERT VU#266926:
http://www.kb.cert.org/vuls/id/266926

US-CERT VU#685364:
http://www.kb.cert.org/vuls/id/685364


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