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Insecure Library Loading
Moderately critical

LibTIFF Multiple Vulnerabilities

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Release Date:  2010-06-22    Last Update:  2010-07-12    Views:  3,835

Secunia Advisory SA40241

Where:

From remote

Impact:

DoS, System access

Solution Status:

Vendor Patch

Software:

CVE Reference(s):

Description


Some vulnerabilities have been reported in LibTIFF, which can be exploited by malicious people to cause a DoS (Denial of Service) and potentially compromise a vulnerable system.

1) A vulnerability is caused due to a boundary error in the processing of "SubjectDistance" EXIF tags and can be exploited to cause a stack-based buffer overflow via a specially crafted TIFF image.

Successful exploitation allows execution of arbitrary code.

The vulnerability is reported in versions prior to 3.9.4 and confirmed in version 3.9.3.

2) A vulnerability is caused due to the "TIFFReadDirectory()" function in libtiff/tif_dirread.c not properly processing unknown tags, which can be exploited to cause a crash.


Solution:
Update to version 3.9.4.

Provided and/or discovered by:
Red Hat credits Dan Rosenberg, working with iDefense.
2) Reportedly Dan Rosenberg

Original Advisory:
http://www.remotesensing.org/libtiff/v3.9.4.html

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 Multiple Vulnerabilities

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