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. Successful exploitation of the vulnerabilities allows execution of arbitrary code.



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.

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