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CUPS "process_browse_data()" Double Free Vulnerability
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Secunia Advisory:
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SA28994
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Release Date:
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2008-02-20
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Last Update:
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2008-02-22
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Popularity:
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4,837 views
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Critical:
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Moderately critical
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Impact:
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DoS
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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BA418 :: Available for 1 Credit 
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| CVE reference: | CVE-2008-0882
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Description:
A vulnerability has been discovered in CUPS, which can be exploited by malicious people to cause a DoS (Denial of Service) or to potentially compromise a vulnerable system.
The vulnerability is caused due to an error within the "process_browse_data()" function when adding printers and classes. This can be exploited to free the same buffer twice by sending specially crafted browser packets to the UDP port on which cupsd is listening (by default port 631/UDP).
Successful exploitation may allow execution of arbitrary code.
The vulnerability is confirmed in version 1.3.5. Prior versions may also be affected.
Solution:
Update to version 1.3.6.
Provided and/or discovered by:
Reported as a CUPS bug by h.blischke.
Changelog:
2008-02-22: Added CVE reference.
Original Advisory:
http://www.cups.org/str.php?L2656
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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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