CVE-2009-3558
MEDIUM severity · CVSS 6.8 · CWE-264
6.8CVSS MEDIUM
Summary
The posix_mkfifo function in ext/posix/posix.c in PHP before 5.2.12 and 5.3.x before 5.3.1 allows context-dependent attackers to bypass open_basedir restrictions, and create FIFO files, via the pathname and mode arguments, as demonstrated by creating a .htaccess file.
Impact & exploitability
Attack vectorNetwork
Attack complexity—
Privileges required—
User interaction—
Confidentiality impact—
Integrity impact—
Availability impact—
Exploit probability (EPSS)2%
AV:N/AC:M/Au:N/C:P/I:P/A:P
Affected products we track (1)
Recommendation
Apply the vendor fix in your normal patch cycle. Open any affected product above for its exact safe version.
Additional information
- NVD record
- http://secunia.com/advisories/37412Advisory
- http://lists.apple.com/archives/security-announce/2010//Mar/msg00001.html
- http://news.php.net/php.announce/79
- http://secunia.com/advisories/37821
- http://support.apple.com/kb/HT4077
- http://svn.php.net/viewvc/php/php-src/branches/PHP_5_2/ext/posix/posix.c?view=log
- http://svn.php.net/viewvc/php/php-src/branches/PHP_5_3/ext/posix/posix.c?view=log
- http://securityreason.com/securityalert/6600Exploit