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Vulnerability: MS09-019 - Cumulative Security Update for Internet Explorer

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 Details
Vulnerability name/brief descriptionCumulative Security Update for Internet Explorer - MS09-019
CVE/CAN name

CVE-2007-3091, CVE-2009-1140, CVE-2009-1141, CVE-2009-1528, CVE-2009-1529, CVE-2009-1530, CVE-2009-1531, CVE-2009-1532

Vendor threat levelCritical
SophosLabs threat levelHigh
Solution

Users are advised to apply the vendor patch for MS09-019 .

Vendor description

This security update resolves seven privately reported vulnerabilities and one publicly disclosed vulnerability in Internet Explorer. The more severe of the 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

Web browsing has become one of the most commonly used malware infection mechanisms for some time, with various versions of Internet Explorer being the most targeted browser platform. Various potential remote code execution vulnerabilities disclosed and fixed by this bulletin imply that the security update should be applied as soon as possible.

SophosLabs testing resultN/A
Currently known exploits

At the time of writing SophosLabs has seen no samples of malware attempting to exploit this vulnerability. Should this situation change samples will be analysed and we will take action as necessary.

First sample seenN/A
Discovery date9 June 2009
Affected software

Internet Explorer 5.01
Internet Explorer 6
Internet Explorer 6 SP1
Internet Explorer 7
Internet Explorer 8

References

http://www.microsoft.com/technet/security/Bulletin/ms09-019.mspx
http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-3091

http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-1140
http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-1141
http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-1528
http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-1529

http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-1530
http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-1531
http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-1532

Credits

Microsoft MAPP program

Revisions

9 June 2009 - 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:
Vendor-supplied Patch identifier and recommended solution, or workaround if applicable.

Vendor Description:
Summary of the cause and potential effect of the vulnerability provided by the vendor.

SophosLabs Comments:
SophosLabs' opinions and observations of the vulnerability in question.

SophosLabs Testing Result:
Details of completed lab testing, if applicable. Please note that the lab test environment may differ significantly from user environments.

Currently Known Exploits:
List of identities for known exploits, if applicable.

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.

 

 

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