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CUPS IPP Tags Memory Corruption Vulnerability
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Secunia Advisory:
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SA27233
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Release Date:
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2007-10-31
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Last Update:
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2007-11-01
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Popularity:
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9,060 views
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Critical:
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Moderately critical
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Impact:
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System access
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Where:
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From local network
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Solution Status:
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Vendor Patch
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| Software: | CUPS 1.x
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Binary Analysis:
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BA277 :: Available for Credits 
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| CVE reference: | CVE-2007-4351
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Description:
Secunia Research has discovered a vulnerability in CUPS, which can be exploited by malicious people to compromise a vulnerable system.
The vulnerability is caused due to a boundary error within the "ippReadIO()" function in cups/ipp.c when processing IPP (Internet Printing Protocol) tags. This can be exploited to overwrite one byte on the stack with a zero by sending an IPP request containing specially crafted "textWithLanguage" or "nameWithLanguage" tags.
Successful exploitation allows execution of arbitrary code.
The vulnerability is confirmed in version 1.3.3. Prior versions may also be affected.
Solution:
Update to version 1.3.4.
Provided and/or discovered by:
Alin Rad Pop, Secunia Research.
Changelog:
2007-11-01: Updated "Solution" and "Original Advisory" sections.
2007-11-01: Added link to US-CERT.
Original Advisory:
Secunia Research:
http://secunia.com/secunia_research/2007-76/
CUPS:
http://www.cups.org/str.php?L2561
Other References:
US-CERT VU#446897:
http://www.kb.cert.org/vuls/id/446897
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About this Secunia Advisory
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Please note: The information that this Secunia Advisory is based on comes from a third party unless stated otherwise.
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