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Microsoft Outlook Express News Reading Buffer Overflow
Secunia Advisory: SA15695
Release Date: 2005-06-14
Last Update: 2005-06-15
Popularity: 13,604 views

Critical:
Moderately critical
Impact: System access
Where: From remote
Solution Status: Vendor Patch

Software:Microsoft Outlook Express 5.5
Microsoft Outlook Express 6

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CVE reference:CVE-2005-1213


Description:
A vulnerability has been reported in Microsoft Outlook Express, which can be exploited by malicious people to compromise a user's system.

The vulnerability is caused due to a boundary error within the parsing of NNTP responses when using Outlook Express as a newsgroup reader. This can be exploited to cause a buffer overflow via a malicious newsgroup server.

Successful exploitation requires that a user queries a malicious newsgroup server for news.

Solution:
Apply patches.

Outlook Express 5.5 SP2 on Windows 2000 (requires SP3 or SP4):
http://www.microsoft.com/downloads/de...=a6932151-2ae2-4c6e-861a-6ff5bde61191

Outlook Express 6 SP1 on Windows 2000 (requires SP3 or SP4) or Windows XP (requires SP1):
http://www.microsoft.com/downloads/de...=89e4d8ee-4d8e-4660-a53d-28502b3d2518

Outlook Express 6 SP1 for Windows XP 64-Bit Edition for Itanium (requires SP1):
http://www.microsoft.com/downloads/de...=b765c0e1-f4e2-495b-aae5-2db3eeaf71bb

Outlook Express 6 for Windows XP 64-Bit Edition Version 2003 for Itanium:
http://www.microsoft.com/downloads/de...=69901ec1-a11f-4135-9874-3698bcf7c760

Outlook Express 6 for Windows Server 2003 for Itanium-based systems:
http://www.microsoft.com/downloads/de...=5fc7d68b-92a6-4c03-8d88-b2501aea8da6

Outlook Express 6 for Microsoft Windows Server 2003:
http://www.microsoft.com/downloads/de...=d439eee9-05eb-4ecb-9e86-6259f1acaabb

The vulnerability does not affect the following versions:
* Microsoft Windows Server 2003 Service Pack 1
* Microsoft Windows Server 2003 with SP1 for Itanium-based systems
* Microsoft Windows Server 2003 x64 Edition
* Microsoft Windows XP Professional x64 Edition
* Microsoft Windows XP Service Pack 2

Provided and/or discovered by:
Discovered by anonymous person and reported via iDEFENSE.

Changelog:
2005-06-15: Added link to US-CERT vulnerability note.

Original Advisory:
MS05-030 (KB897715):
http://www.microsoft.com/technet/security/bulletin/ms05-030.mspx

iDEFENSE:
http://idefense.com/application/poi/display?id=263&type=vulnerabilities

Other References:
US-CERT VU#130614:
http://www.kb.cert.org/vuls/id/130614


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