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PECL Alternative PHP Cache "apc_search_paths" Buffer Overflow Vulnerability
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Secunia Advisory:
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SA29509
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Release Date:
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2008-03-26
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Popularity:
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2,682 views
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Critical:
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Moderately critical
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Impact:
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Security Bypass
DoS
System access
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Where:
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From remote
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Solution Status:
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Vendor Patch
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| Software: | PECL Alternative PHP Cache (APC) Extension 3.x
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| CVE reference: | CVE-2008-1488
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Description:
Daniel Papasian has reported a vulnerability in the PECL Alternative PHP Cache (APC) extension, which can be exploited by malicious users to bypass certain security restrictions and potentially by malicious people to compromise a vulnerable system.
The vulnerability is caused due to a boundary error in the "apc_search_paths" function in apc.c. This can be exploited to cause a stack-based buffer overflow e.g. via a specially crafted, overly long filename passed to the "include()" function.
Successful exploitation allows execution of arbitrary code.
The vulnerability is reported in version 3.0.16. Other versions may also be affected.
Solution:
Update to version 3.0.17.
http://pecl.php.net/package/APC/3.0.17
Provided and/or discovered by:
Daniel Papasian
Original Advisory:
PECL APC:
http://pecl.php.net/bugs/bug.php?id=13415
Daniel Papasian:
http://papasian.org/~dannyp/apcsmash.php.txt
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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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