UNIRAS Brief - 502/04 - Microsoft - MS04-027 Vulnerability in WordPerfect Converter & MS04-028 Buffer Overrun in JPEG Processing (GDI+)

["UNIRAS \(HM Govt CERT \(DP\)\)" <uniras@xxxxxxxxxxxx>]

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   UNIRAS (UK Govt CERT) Briefing Notice - 502/04 dated 14.09.04  Time: 22:25
  UNIRAS is part of NISCC (National Infrastructure Security Co-ordination Centre)
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  UNIRAS material is also available from its website at www.uniras.gov.uk and
         Information about NISCC is available from www.niscc.gov.uk
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Title
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Microsoft Security Bulletins
MS04-027 Vulnerability in WordPerfect Converter (Important)
MS04-028 Buffer Overrun in JPEG Processing (GDI+) (Critical)

Detail
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The following information has been released by Microsoft:

Microsoft Security Bulletin MS04-027

Vulnerability in WordPerfect Converter Could Allow Code Execution (884933)
http://www.microsoft.com/technet/security/bulletin/ms04-027.mspx

Impact of Vulnerability:  
Remote Code Execution Maximum Severity Rating: Important 
This update resolves a newly discovered, privately reported vulnerability.

A remote code execution vulnerability exists in the WordPerfect 5.x Converter 
that is provided as part of the affected software. 

If a user is logged on with administrative privileges, an attacker who 
successfully exploited this vulnerability could take complete control of 
an affected system, including installing programs; viewing, changing, or 
deleting data; or creating new accounts with full privileges. Users whose 
accounts are configured to have fewer privileges on the system would be at 
less risk than users who operate with administrative privileges. However, 
user interaction is required to exploit this vulnerability.

Microsoft Security Bulletin MS04-028

Buffer Overrun in JPEG Processing (GDI+) Could Allow Code Execution (833987)
http://www.microsoft.com/technet/security/bulletin/ms04-028.mspx

Impact of Vulnerability:  
Remote Code Execution Maximum Severity Rating: Critical 
This update resolves a newly-discovered, privately reported vulnerability.

A buffer overrun vulnerability exists in the processing of JPEG image formats 
that could allow remote code execution on an affected system. 

If a user is logged on with administrator privileges, an attacker who 
successfully exploited this vulnerability could take complete control of 
an affected system, including installing programs; viewing, changing, or 
deleting data; or creating new accounts with full privileges. Users whose 
accounts are configured to have fewer privileges on the system would be at 
less risk than users who operate with administrative privileges.

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For additional information or assistance, please contact the HELP Desk by 
telephone or Not Protectively Marked information may be sent via 
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UNIRAS wishes to acknowledge the contributions of Microsoft Corporation for the 
information contained in this Briefing. 
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This Briefing contains the information released by the original author. Some 
of the information may have changed since it was released. If the vulnerability 
affects you, it may be prudent to retrieve the advisory from the canonical site 
to ensure that you receive the most current information concerning that problem.

Reference to any specific commercial product, process, or service by trade 
name, trademark manufacturer, or otherwise, does not constitute or imply 
its endorsement, recommendation, or favouring by UNIRAS or NISCC.  The views 
and opinions of authors expressed within this notice shall not be used for 
advertising or product endorsement purposes.

Neither UNIRAS or NISCC shall also accept responsibility for any errors 
or omissions contained within this briefing notice. In particular, they shall 
not be liable for any loss or damage whatsoever, arising from or in connection 
with the usage of information contained within this notice.

UNIRAS is a member of the Forum of Incident Response and Security Teams (FIRST) 
and has contacts with other international Incident Response Teams (IRTs) in 
order to foster cooperation and coordination in incident prevention, to prompt 
rapid reaction to incidents, and to promote information sharing amongst its 
members and the community at large. 
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<End of UNIRAS Briefing>



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