Alternative PHP Cache (APC) apc_search_paths() buffer overflow
| apc-apcsearchpaths-bo (41420) |  High Risk |
Description:
Alternative PHP Cache (APC) is vulnerable to a stack-based buffer overflow, caused by improper bounds checking by the apc_search_paths() function. By sending an overly long filename to the include() function, a remote attacker could overflow a buffer and execute arbitrary code on the system with Web server privileges or cause the Web server to crash.
Platforms Affected:
- Alternative PHP Cache, Alternative PHP Cache 3.0.11 - 3.0.16
- Gentoo, Linux
- MandrakeSoft, Mandrake Linux Corporate Server 4.0 X86_64
- MandrakeSoft, Mandrake Linux Corporate Server 4.0
Remedy:
Upgrade to the latest version of Alternative PHP Cache (APC) (3.0.17 or later), available from the PECL Web site. See References.
Consequences:
Gain Access
References:
- Bug #13415, Usage of strcpy in apc.c can cause stack corruption with long filenames at http://pecl.php.net/bugs/bug.php?id=13415.
- dannyp Advisories, apcsmash.php: PHP-APC-Stacksmash at http://papasian.org/~dannyp/apcsmash.php.txt.
- PECL Web site, APC 3.0.17 at http://pecl.php.net/package/APC/3.0.17.
- BID-28457: PECL Alternative PHP Cache Extension 'apc_search_paths()' Buffer Overflow Vulnerability
- CVE-2008-1488: Stack-based buffer overflow in apc.c in Alternative PHP Cache (APC) 3.0.11 through 3.0.16 allows remote attackers to execute arbitrary code via a long filename.
- GLSA-200804-07: PECL APC: Buffer Overflow
- MDVSA-2008:082: Updated php-apc packages fix vulnerability
- SA29509: PECL Alternative PHP Cache "apc_search_paths" Buffer Overflow Vulnerability
Reported:
Mar 17, 2008
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