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Insecure Library Loading
Highly critical

Xpdf "Stream.cc" Multiple Vulnerabilities

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Release Date:  2007-11-07    Last Update:  2007-11-08    Views:  14,586

Secunia Advisory SA27260

Where:

From remote

Impact:

System access

Solution Status:

Vendor Patch

Software:

CVE Reference(s):

Description


Secunia Research has discovered some vulnerabilities in Xpdf, which can be exploited by malicious people to compromise a user's system.

1) An array indexing error within the "DCTStream::readProgressiveDataUnit()" method in xpdf/Stream.cc can be exploited to corrupt memory via a specially crafted PDF file.

2) An integer overflow error within the "DCTStream::reset()" method in xpdf/Stream.cc can be exploited to cause a heap-based buffer overflow via a specially crafted PDF file.

3) A boundary error within the "CCITTFaxStream::lookChar()" method in xpdf/Stream.cc can be exploited to cause a heap-based buffer overflow by tricking a user into opening a PDF file containing a specially crafted "CCITTFaxDecode" filter.

Successful exploitation allows execution of arbitrary code.

The vulnerabilities are confirmed in Xpdf 3.02 with xpdf-3.02pl1.patch. Other versions may also be affected.


Solution:
Apply patch xpdf-3.02pl2.patch.

Further details available to Secunia VIM customers

Provided and/or discovered by:
Alin Rad Pop, Secunia Research.

Original Advisory:
Secunia Research:
http://secunia.com/secunia_research/2007-88/

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: Xpdf "Stream.cc" Multiple Vulnerabilities

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