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TITLE:
Internet Explorer Multiple Vulnerabilities

SECUNIA ADVISORY ID:
SA24156

VERIFY ADVISORY:
http://secunia.com/advisories/24156/

CRITICAL:
Highly critical

IMPACT:
System access

WHERE:
>From remote

SOFTWARE:
Microsoft Internet Explorer 5.01
http://secunia.com/product/9/
Microsoft Internet Explorer 6.x
http://secunia.com/product/11/
Microsoft Internet Explorer 7.x
http://secunia.com/product/12366/

DESCRIPTION:
Some vulnerabilities have been reported in Internet Explorer, which
can be exploited by malicious people to compromise a user's system.

1) An error within the instantiation of COM objects (Imjpcksid.dll
and Imjpskdic.dll) not intended to be instantiated in Internet
Explorer can be exploited to cause a memory corruption.

2) Another error within the instantiation of COM objects
(Msb1fren.dll, Htmlmm.ocx, and Blnmgrps.dll) not intended to be
instantiated in Internet Explorer can be exploited to cause a memory
corruption.

3) An error within the parsing of FTP server responses can be
exploited to cause a memory corruption via a specially crafted
response sent to the FTP client in Internet Explorer.

Successful exploitation of the vulnerabilities allows execution of
arbitrary code.

SOLUTION:
Apply patches.

Internet Explorer 5.01 SP4 on Windows 2000 SP4:
http://www.microsoft.com/downloads/details.aspx?FamilyId=2D83EFCE-E507-4AFF-AB9B-EAF1D0D6320D

Internet Explorer 6 SP1 installed on Windows 2000 SP4:
http://www.microsoft.com/downloads/details.aspx?FamilyId=D9E4181A-05F9-4186-BDCA-C95351983844

Internet Explorer 6 for Windows XP SP2:
http://www.microsoft.com/downloads/details.aspx?FamilyId=D4038DC1-8AF6-4BEA-82B8-EACCFF4CDB28

Internet Explorer 6 for Windows XP Professional x64 Edition:
http://www.microsoft.com/downloads/details.aspx?FamilyId=D6EEEA2C-785E-4DEF-913E-7F121556554F

Internet Explorer 6 for Windows Server 2003 (optionally with SP1):
http://www.microsoft.com/downloads/details.aspx?FamilyId=C6BCBE07-39C1-4705-A10D-019DA3F997E5

Internet Explorer 6 for Windows Server 2003 for Itanium-based systems
(optionally with SP1):
http://www.microsoft.com/downloads/details.aspx?FamilyId=6476A14B-0D00-4F55-A438-E140E9D26849

Internet Explorer 6 for Windows Server 2003 x64 Edition:
http://www.microsoft.com/downloads/details.aspx?FamilyId=C18DB204-0F2C-4DD4-B29C-0938FF1BFD7B

Internet Explorer 7 for Windows XP SP2:
http://www.microsoft.com/downloads/details.aspx?FamilyId=EE851EFD-2CAF-41CE-A423-E1827DE318DF

Internet Explorer 7 for Windows XP Professional x64 Edition:
http://www.microsoft.com/downloads/details.aspx?FamilyId=AC084BBB-084D-47AC-BFDA-156E34A63817

Internet Explorer 7 for Windows Server 2003 SP1:
http://www.microsoft.com/downloads/details.aspx?FamilyId=36DAE010-AD1F-4E77-A353-9AFA41F065EA

Internet Explorer 7 for Windows Server 2003 with SP1 for
Itanium-based systems:
http://www.microsoft.com/downloads/details.aspx?FamilyId=631B590D-98CE-440D-B588-88CC31BB9370

Internet Explorer 7 for Windows Server 2003 x64 Edition:
http://www.microsoft.com/downloads/details.aspx?FamilyId=A05D1E57-6678-4C25-B5E2-98F18BAA454B

PROVIDED AND/OR DISCOVERED BY:
1) Reported by the vendor.
2) The vendor credits H D Moore, BreakingPoint Systems.
3) The vendor credits iDefense Labs.

ORIGINAL ADVISORY:
MS07-016 (KB928090):
http://www.microsoft.com/technet/security/Bulletin/MS07-016.mspx

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About:
This Advisory was delivered by Secunia as a free service to help
everybody keeping their systems up to date against the latest
vulnerabilities.

Subscribe:
http://secunia.com/secunia_security_advisories/

Definitions: (Criticality, Where etc.)
http://secunia.com/about_secunia_advisories/


Please Note:
Secunia recommends that you verify all advisories you receive by
clicking the link.
Secunia NEVER sends attached files with advisories.
Secunia does not advise people to install third party patches, only
use those supplied by the vendor.

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