JVN#40498018
WordPress vulnerable to arbitrary PHP code execution
Overview
WordPress contains a vulnerability where arbitrary PHP code may be executed.
Products Affected
- WordPress versions prior to 3.3
Description
WordPress provided by WordPress.Org is a weblog system. WordPress contains a vulnerability where arbitrary PHP code may be executed.
Impact
Arbitrary PHP code may be executed with the privilege of the application on the server where it resides.
Solution
Update the software
Update to the latest version according to the information provided by the developer.
Vendor Status
| Vendor | Link |
| WordPress | WordPress > Blog Tool, Publishing Platform, and CMS |
References
JPCERT/CC Addendum
This JVN publication was delayed to 2011/12/26 after the developer fix was developed. From the fiscal year 2011, JPCERT/CC is using a new vendor coordination procedure. This new procedure came from the recommendation of the fiscal year 2010 "Study Group on Information System Vulnerability Handling" aimed at more timely JVN publications.
Vulnerability Analysis by JPCERT/CC
Analyzed on 2011.12.26
| Measures | Conditions | Severity |
|---|---|---|
| Access Required | can be attacked over the Internet using packets |
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| Authentication | self-registration, perhaps valid e-mail |
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| User Interaction Required | the vulnerability can be exploited without an honest user taking any action |
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| Exploit Complexity | some expertise and/or luck required (most buffer overflows, guessing correctly in small space, expertise in Windows function calls) |
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Credit
Takeshi Terada of Mitsui Bussan Secure Directions, Inc. reported this vulnerability to IPA.
JPCERT/CC coordinated with the developer under Information Security Early Warning Partnership.
Other Information
| JPCERT Alert | |
| JPCERT Reports | |
| CERT Advisory |
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| CPNI Advisory |
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| TRnotes |
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| CVE |
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| JVN iPedia |
JVNDB-2011-000109 |