CVE-2009-4017
First published: Tue Nov 24 2009(Updated: )
PHP before 5.2.12 and 5.3.x before 5.3.1 does not restrict the number of temporary files created when handling a multipart/form-data POST request, which allows remote attackers to cause a denial of service (resource exhaustion), and makes it easier for remote attackers to exploit local file inclusion vulnerabilities, via multiple requests, related to lack of support for the max_file_uploads directive.
Credit: secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| PHP | =5.2.11 | |
| PHP | =5.3.0 | |
| PHP | <5.2.12 | |
| PHP | =5.3.0 | |
| PHP | =5.3.0-alpha1 | |
| PHP | =5.3.0-alpha2 | |
| PHP | =5.3.0-alpha3 | |
| PHP | =5.3.0-beta1 | |
| PHP | =5.3.0-rc1 | |
| PHP | =5.3.0-rc2 | |
| PHP | =5.3.0-rc3 | |
| PHP | =5.3.0-rc4 | |
| Apple iOS and macOS | =10.6.3 | |
| Debian Linux | =4.0 | |
| Debian Linux | =5.0 | |
| Debian Linux | =6.0 |
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Reference Links
- http://www.php.net/ChangeLog-5.php
- http://www.openwall.com/lists/oss-security/2009/11/20/7
- http://seclists.org/fulldisclosure/2009/Nov/228
- http://news.php.net/php.announce/79
- http://www.php.net/releases/5_3_1.php
- http://www.openwall.com/lists/oss-security/2009/11/20/2
- http://secunia.com/advisories/37482
- http://www.mandriva.com/security/advisories?name=MDVSA-2009:305
- http://www.debian.org/security/2009/dsa-1940
- http://www.mandriva.com/security/advisories?name=MDVSA-2009:303
- http://secunia.com/advisories/37821
- http://www.acunetix.com/blog/websecuritynews/php-multipartform-data-denial-of-service/
- http://www.php.net/releases/5_2_12.php
- http://www.vupen.com/english/advisories/2009/3593
- http://lists.apple.com/archives/security-announce/2010//Mar/msg00001.html
- http://support.apple.com/kb/HT4077
- http://secunia.com/advisories/40262
- http://marc.info/?l=bugtraq&m=127680701405735&w=2
- http://secunia.com/advisories/41490
- http://www.itrc.hp.com/service/cki/docDisplay.do?docId=emr_na-c02512995
- http://secunia.com/advisories/41480
- https://exchange.xforce.ibmcloud.com/vulnerabilities/54455
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6667
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10483
- http://www.securityfocus.com/archive/1/507982/100/0/threaded
Frequently Asked Questions
What is the severity of CVE-2009-4017?
CVE-2009-4017 has a medium severity rating as it can lead to denial of service through resource exhaustion.
How do I fix CVE-2009-4017?
To mitigate CVE-2009-4017, update PHP to version 5.2.12 or 5.3.1 or later.
Which versions of PHP are affected by CVE-2009-4017?
PHP versions before 5.2.12 and 5.3.x before 5.3.1 are affected by CVE-2009-4017.
What kind of attack is possible due to CVE-2009-4017?
CVE-2009-4017 allows remote attackers to cause denial of service through excessive temporary file creation.
Is there any link between CVE-2009-4017 and local file inclusion vulnerabilities?
Yes, CVE-2009-4017 increases the potential for local file inclusion attacks due to the inadequacy in handling temporary files.
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