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Insecure Library Loading
Highly critical

LibTIFF Two Integer Overflow Vulnerabilities

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Release Date:  2004-12-22    Last Update:  2005-10-27    Views:  18,980

Secunia Advisory SA13607

Where:

From remote

Impact:

System access

Solution Status:

Vendor Patch

Software:

CVE Reference(s):

Description


infamous41md has reported two vulnerabilities in LibTIFF, which can be exploited by malicious people to compromise a vulnerable system.

1) The vulnerability is caused due to an integer overflow in the "TIFFFetchStripThing()" function in "tif_dirread.c" when parsing TIFF files. This can be exploited via a specially crafted TIFF image file to execute arbitrary code via an application linked against the vulnerable library.

The vulnerability has been reported in version 3.6.1. Other versions may also be affected.

2) The vulnerability is caused due to an integer overflow in the "CheckMalloc()" function in "tif_dirread.c" and "tif_fax3.c" when handling data from a certain directory entry in the file header. This can be exploited via specially crafted TIFF image file to execute arbitrary code via an application linked against the vulnerable library.

The vulnerability has been reported in versions 3.5.7 and 3.7.0. Other versions may also be affected.


Solution:
Update to version 3.7.1.

Further details available to Secunia VIM customers

Provided and/or discovered by:
infamous41md

Original Advisory:
iDEFENSE:
http://www.idefense.com/application/poi/display?id=173&type=vulnerabilities
http://www.idefense.com/application/poi/display?id=174&type=vulnerabilities

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: LibTIFF Two Integer Overflow Vulnerabilities

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