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Insecure Library Loading
Moderately critical

LibTIFF Multiple Buffer Overflow Vulnerabilities

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Release Date:  2012-07-19    Last Update:  2012-11-28    Views:  6,386

Secunia Advisory SA49938

Where:

From remote

Impact:

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 compromise an application using the library.

1) An error in the "t2p_read_tiff_init()" function (tools/tiff2pdf.c) when handling the T2P structure pointer can be exploited to cause a heap-based buffer overflow via a specially crafted TIFF image.

2) An error when processing images with PixarLog compression format can be exploited to cause a heap-based buffer overflow via a specially crafted TIFF image.

3) An error when handling DOTRANGE tags can be exploited to cause a stack-based buffer overflow via a specially crafted TIFF image.

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


Solution:
Update to version 4.0.3.

Provided and/or discovered by:
Huzaifa Sidhpurwala, Red Hat.

Original Advisory:
Libtiff:
http://www.remotesensing.org/libtiff/v4.0.3.html

https://bugzilla.redhat.com/show_bug.cgi?id=837577
https://bugzilla.redhat.com/show_bug.cgi?id=860198
https://bugzilla.redhat.com/show_bug.cgi?id=867235

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 Buffer Overflow Vulnerabilities

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