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Insecure Library Loading

Secunia Advisory SA20270

ZipTV ARJ Archive Handling and unacev2.dll Buffer Overflows
Secunia Advisory SA20270
Secunia VIM 4.0 - Free Trial
Release Date 2006-09-07
   
Popularity 9,518 views
Comments 0 comments

Criticality level Moderately criticalModerately critical
Impact System access
Where From remote
Authentication level This information is available to Secunia VIM customers
   
Report reliability This information is available to Secunia VIM customers
Solution Status Unpatched
   
Systems affected This information is available to Secunia VIM customers
Approve distribution This information is available to Secunia VIM customers
Remediation status Secunia VIM
   
Software:
ZipTV Compression Components

Secunia CVSS Score This information is available to Secunia VIM Customers
CVE Reference(s) CVE-2005-2856 CVSS score available to Secunia VIM customers
CVE-2006-2482 CVSS score available to Secunia VIM customers
  

Description

Secunia Research has discovered two vulnerabilities in ZipTV, which can be exploited by malicious people to compromise an application using the library.

1) A boundary error within the TZipTV component when listing files in ARJ archives can be exploited to cause a heap-based buffer overflow via a specially-crafted ARJ archive with an overly large ARJ header block.

Successful exploitation allows execution of arbitrary code when a malicious ARJ archive is listed.

2) A boundary error in UNACEV2.DLL (ztvunacev2.dll) when extracting ACE archives containing a file with an overly long filename can be exploited to cause a stack-based buffer overflow.

Successful exploitation allows execution of arbitrary code when a malicious ACE archive is extracted.

The vulnerabilities have been confirmed in the following versions.
* ZipTV for Delphi 7 version 2006.1.26.
* ZipTV for C++ Builder version 2006-1.16.

Other versions may also be affected.


Solution
Do not open untrusted archives.

Provided and/or discovered by
Tan Chew Keong, Secunia Research.

Original Advisory
Secunia Research:
http://secunia.com/secunia_research/2006-50/

Deep Links
Links available to Secunia VIM customers


Do you have additional information related to this advisory?

Please provide information about patches, mitigating factors, new versions, exploits, faulty patches, links, and other relevant data by posting comments to this Advisory. You can also send this information to vuln@secunia.com

Subject: ZipTV ARJ Archive Handling and unacev2.dll Buffer Overflows
 
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