MitreCVELIST:CVE-2006-5178CVE-2006-5178
Race condition in the symlink function in PHP 5.1.6 and earlier allows local users to bypass the open_basedir restriction by using a combination of symlink, mkdir, and unlink functions to change the file path after the open_basedir check and before the file is opened by the underlying system, as demonstrated by symlinking a symlink into a subdirectory, to point to a parent directory via … (dot dot) sequences, and then unlinking the resulting symlink.
References
lists.grok.org.uk/pipermail/full-disclosure/2006-October/049850.html
secunia.com/advisories/22235
secunia.com/advisories/22424
securityreason.com/securityalert/1692
securitytracker.com/id?1016977
www.hardened-php.net/advisory_082006.132.html
www.mandriva.com/security/advisories?name=MDKSA-2006:185
www.neosecurityteam.net/index.php?action=advisories&id=26
www.securityfocus.com/archive/1/447649/100/0/threaded
www.securityfocus.com/archive/1/448020/100/0/threaded
www.securityfocus.com/archive/1/448953/100/0/threaded
www.securityfocus.com/bid/20326
www.turbolinux.com/security/2006/TLSA-2006-38.txt
www.vupen.com/english/advisories/2006/3901
exchange.xforce.ibmcloud.com/vulnerabilities/29340
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