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IBM Informix Dynamic Server Multiple Vulnerabilities Advisory Available in German 

Secunia Advisory: SA29272  
Release Date: 2008-03-11
Last Update: 2008-04-16

Critical:
Moderately critical
Impact: Unknown
DoS
System access
Where: From local network
Solution Status: Vendor Patch

Software:IBM Informix Dynamic Server 10.x
IBM Informix Dynamic Server 11.x
IBM Informix Dynamic Server 7.x
IBM Informix Dynamic Server 9.x

CVE reference:CVE-2008-0727 (Secunia mirror)
CVE-2008-0949 (Secunia mirror)

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Description:
Some vulnerabilities have been reported in IBM Informix Dynamic Server, which can be exploited by malicious people or malicious users to compromise a vulnerable system.

1) A boundary error within the handling of connection requests can be exploited to cause a stack-based buffer overflow by sending a specially crafted packet containing an overly large number of parameters.

2) A boundary error within oinit.exe when processing the DBPATH variable during authentication can be exploited to cause a buffer overflow via an overly long DBPATH variable sent to default port 1526/TCP.

3) A boundary error within oinit.exe when processing passwords during authentication can be exploited to cause a stack-based buffer overflow via an overly long password sent to default port 1526/TCP.

Successful exploitation of these vulnerabilities may allow execution of arbitrary code.

Solution:
Apply updates (see vendor's advisory for details).

Provided and/or discovered by:
1) MWR InfoSecurity
2) An anonymous researcher, reported via ZDI.
3) An anonymous researcher, reported via ZDI.

Changelog:
2008-03-14: Added links to "Original Advisory" section. Updated "Solution" and "Description" sections based on additional information from ZDI.
2008-04-14: Added link to IBM in "Original Advisory" section.
2008-04-16: Updated "Description". Added link to MWR InfoSecurity.

Original Advisory:
IBM:
http://www-1.ibm.com/support/docview.wss?uid=swg1IC55225
http://www-1.ibm.com/support/docview.wss?uid=swg1IC55224
http://www-1.ibm.com/support/docview.wss?uid=swg1IC55208
http://www-1.ibm.com/support/docview.wss?uid=swg1IC55207
http://www-1.ibm.com/support/docview.wss?uid=swg1IC55209
http://www-1.ibm.com/support/docview.wss?uid=swg1IC55210
http://www-1.ibm.com/support/docview.wss?uid=swg1IC55223

ZDI:
http://www.zerodayinitiative.com/advisories/ZDI-08-011/
http://www.zerodayinitiative.com/advisories/ZDI-08-012/

MWR InfoSecurity:
http://www.mwrinfosecurity.com/public...rmix-pre-auth-overflow_2008-04-14.pdf



Please note: The information that this Secunia Advisory is based on comes from a third party unless stated otherwise.

Secunia collects, validates, and verifies all vulnerability reports issued by security research groups, vendors, and others.

7 Related Secunia Security Advisories

1. IBM Informix Storage Manager XDR Library Multiple Vulnerabilities
2. IBM Informix Dynamic Server File Creation Vulnerabilities
3. IBM Informix Dynamic Server Directory Traversal and Denial of Service
4. IBM Informix Products Insecure Permissions and Temporary File Creation
5. IBM Informix Dynamic Server Insecure Temporary File Creation
6. Informix Dynamic Server Multiple Vulnerabilities
7. IBM Informix Database Multiple Local Vulnerabilities


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