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Coastal Network Status - Issue Detail
Security
Alert

Vulnerabilities in Microsoft Word Could Allow Remote Code Execution
Posted: October 10, 2012, 8:33 am
Last Updated: November 4, 2012, 8:43 am

South Carolina Information Sharing and Analysis Center

 

SC INFORMATION SHARING AND ANALYSIS CENTER BULLETIN

 

DATE ISSUED:        10/9/2012

                                               

SUBJECT:     Vulnerabilities in Microsoft Word Could Allow Remote Code Execution

           

OVERVIEW:

Multiple vulnerabilities have been discovered in Microsoft Office Word that could result in an attacker gaining the same privileges as the logged on user. Depending on the privileges associated with the user, an attacker could then install programs; view, change, or delete data; or create new accounts with full user rights.

 

DESCRIPTION:

 

Two vulnerabilities have been discovered in Microsoft Word. The first vulnerability is Rich Text Format (RTF) listid Use-After-Free vulnerability that is caused by the way Microsoft Word improperly handles memory when parsing RTF files. The second vulnerability is a Paragraph Property Exceptions (PAPX) section corruption issue that is caused when Microsoft Word improperly handles memory when parsing specially crafted word files.

 

These vulnerabilities can be exploited by opening a malicious RTF or Word document received as an email attachment, or by visiting a website that is hosting a malicious RTF or Word document. An attacker who successfully exploited this vulnerability could take complete control of an affected system. An attacker could then install programs; view, change, or delete data; or create new accounts with full user rights.

 

 

  

 SYSTEMS AFFECTED:

 

·         Microsoft Office 2003

·         Microsoft Office 2007

·         Microsoft Office 2010

·         Microsoft Word Viewer

·         Microsoft Office Compatibility Pack

 

RISK:

Government:

Large and medium government entities: High

Small government entities: High

 

Businesses:

Large and medium business entities: High

Small business entities: High

 

Home users: High

 

RECOMMENDATIONS:

We recommend the following actions be taken:

  • Apply appropriate patches provided by Microsoft to vulnerable systems immediately after appropriate testing.
  • Run all software as a non-privileged user (one without administrative privileges) to diminish the effects of a successful attack.
  • Remind users not to open e-mail attachments from unknown users or suspicious e-mails from trusted sources.
  • Remind users not to visit un-trusted websites or follow links provided by unknown or un-trusted sources. 

 

REFERENCES

Microsoft:

 

http://technet.microsoft.com/en-us/security/bulletin/ms12-064

 

CVE:

 

http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2012-0182

http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2012-2528

 

SecurityFocus:

 

http://www.securityfocus.com/bid/55781

http://www.securityfocus.com/bid/55780

 

Please feel free to contact the SC ISAC if you have any questions or need any additional information.

 

The SC ISAC will provide amplifying information as it becomes available.

 

SC-ISAC Contact Information

 

Email: SC-ISAC@cio.sc.gov

SC ISAC Security Line: 803-896-1650

24-hour hotline: +1 803-896-0001

Fax: +1 803-896-0375

Postal address:

 

SC-ISAC

DSIT Budget and Control Board

4430 Broad River Road

Columbia S.C. 29210

SC-ISAC is available via hotline 08:00-17:00 EST (GMT-5)/ EDT (GMT-4)

Monday through Friday

 

Using Encryption

 

We strongly urge you to encrypt sensitive information sent by email. Our

public PGP key is available from:

 

https://sc-isac.sc.gov/public.key

 

NO WARRANTY

 

Any material furnished by SC-ISAC is furnished on an "as is" basis.

 

SC-ISAC makes no warranties of any kind, either expressed or implied as to

any matter including, but not limited to, warranty of fitness for a particular

purpose or merchantability, exclusivity or results obtained from use of the

material. SC-ISAC does not make any warranty of any kind with respect to

freedom from patent, trademark, or copyright infringement.

 

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