Permissions, Privileges, and Access Controls in PHP - CVE-2009-3557
Published: October 30, 2018 / Updated: June 8, 2025
Vulnerability identifier: #VU110319
CSH Severity: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2009-3557
CWE-ID: CWE-264
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
PHP
PHP
Software vendor:
PHP Group
PHP Group
Description
The vulnerability allows a remote non-authenticated attacker to corrupt data.
The tempnam function in ext/standard/file.c in PHP before 5.2.12 and 5.3.x before 5.3.1 allows context-dependent attackers to bypass safe_mode restrictions, and create files in group-writable or world-writable directories, via the dir and prefix arguments.
Remediation
Install update from vendor's website.
External links
- http://lists.apple.com/archives/security-announce/2010//Mar/msg00001.html
- http://marc.info/?l=bugtraq&m=127680701405735&w=2
- http://news.php.net/php.announce/79
- http://secunia.com/advisories/37412
- http://secunia.com/advisories/37821
- http://secunia.com/advisories/40262
- http://securityreason.com/securityalert/6601
- http://support.apple.com/kb/HT4077
- http://svn.php.net/viewvc/php/php-src/branches/PHP_5_2/ext/standard/file.c?view=log
- http://svn.php.net/viewvc/php/php-src/branches/PHP_5_3/ext/standard/file.c?view=log
- http://svn.php.net/viewvc?view=revision&revision=288945
- http://www.mandriva.com/security/advisories?name=MDVSA-2009:285
- http://www.mandriva.com/security/advisories?name=MDVSA-2009:302
- http://www.mandriva.com/security/advisories?name=MDVSA-2009:303
- http://www.openwall.com/lists/oss-security/2009/11/20/2
- http://www.openwall.com/lists/oss-security/2009/11/20/3
- http://www.openwall.com/lists/oss-security/2009/11/20/5
- http://www.php.net/ChangeLog-5.php
- http://www.php.net/releases/5_2_12.php
- http://www.php.net/releases/5_3_1.php
- http://www.vupen.com/english/advisories/2009/3593
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A7396