Vulnerability: MS10-002 - Cumulative Security Update for Internet Explorer (978207)

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	Details
Vulnerability name/brief description	MS10-002 - Cumulative Security Update for Internet Explorer (978207)
CVE/CAN name	CVE-2009-4074, CVE-2010-0027, CVE-2010-0244, CVE-2010-0245, CVE-2010-0246, CVE-2010-0247, CVE-2010-0248, CVE-2010-0249
Vendor threat level	Critical
SophosLabs threat level	High
Solution	MS10-002
Vendor description	This security update resolves seven privately reported vulnerabilities and one publicly disclosed vulnerability in Internet Explorer. The more severe vulnerabilities could allow remote code execution if a user views a specially crafted Web page using Internet Explorer. Users whose accounts are configured to have fewer user rights on the system could be less impacted than users who operate with administrative user rights.
SophosLabs comments	Undoubtably the focal point of this release is the fix for CVE-2010-2049 which has received much media coverage over the past week. We have seen exploits of this vulnerability and consider it imperative that users apply this patch as soon as possible. Our original advisory regarding CVE-2010-2049 can be found here.
SophosLabs testing result	N/A
Currently known exploits	Troj/ExpJS-N CVE-2010-0249
First sample seen	15 January 2010
Discovery date	14 January 2010
Affected software	Internet Explorer 5.01 Service Pack 4 Internet Explorer 6 Internet Explorer 6 Service Pack 1 Internet Explorer 7 Internet Explorer 8
References	http://www.microsoft.com/technet/security/bulletin/MS10-002.mspx http://www.microsoft.com/technet/security/advisory/979352.mspx http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-4074 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2010-0027 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2010-0244 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2010-0245 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2010-0246 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2010-0247 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2010-0248 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2010-0249
Credits	MAPP
Revisions	21 January 2010 - Initial analysis written

Explanation of terms

Vulnerability Name/Brief Description:
Vendor identifier plus a brief description of the type of attack.

CVE/CAN Name:
Currently assigned CVE name. If a CVE name doesn't exist the CAN name will be used until a CVE has been assigned.

Vendor Threat Level:
Threat level assigned by the vendor

SophosLabs Threat Level:
Threat level assigned by SophosLabs

• LOW RISK - There is little chance of this vulnerability being actively exploited by malware.
• MEDIUM RISK - There is a possibility of this vulnerability being actively exploited by malware.
• HIGH RISK - There is a strong possibility of this vulnerability being actively exploited by malware.
• CRITICAL RISK - This vulnerability will almost certainly be actively exploited by malware.

Solution:
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Vendor Description:
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SophosLabs Comments:
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SophosLabs Testing Result:
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Currently Known Exploits:
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First Sample Seen:
Date of the first sample seen by SophosLabs.

Discovery Date:
Date of the earliest known publically disclosed advisory.

Affected Software:
Vulnerable platforms and software versions.