Vulnerability Monitor

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CVE-2009-3890

Unrestricted file upload vulnerability in the wp_check_filetype function in wp-includes/functions.php in WordPress before 2.8.6, when a certain configuration of the mod_mime module in the Apache HTTP Server is enabled, allows remote authenticated users to execute arbitrary code by posting an attachment with a multiple-extension filename, and then accessing this attachment via a direct request to a wp-content/uploads/ pathname, as demonstrated by a .php.jpg filename.

Published

2009-11-17T18:30:00.313

Last Modified

2025-04-09T00:30:58.490

Status

Deferred

Source

[email protected]

Severity

CVSSv2: 6.0 (MEDIUM)

CVSSv2 Vector

AV:N/AC:M/Au:S/C:P/I:P/A:P

Access Vector: NETWORK
Access Complexity: MEDIUM
Authentication: SINGLE
Confidentiality Impact: PARTIAL
Integrity Impact: PARTIAL
Availability Impact: PARTIAL

Exploitability Score

6.8

Impact Score

6.4

Weaknesses

Type: Primary
CWE-94

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	wordpress	wordpress	≤ 2.8.5	Yes

References

http://archives.neohapsis.com/archives/fulldisclosure/2009-11/0142.html Broken Link ([email protected])
http://archives.neohapsis.com/archives/fulldisclosure/2009-11/0149.html Broken Link ([email protected])
http://archives.neohapsis.com/archives/fulldisclosure/2009-11/0153.html Broken Link ([email protected])
http://core.trac.wordpress.org/ticket/11122 Issue Tracking, Vendor Advisory ([email protected])
http://secunia.com/advisories/37332 Third Party Advisory ([email protected])
http://wordpress.org/development/2009/11/wordpress-2-8-6-security-release/ Patch, Vendor Advisory ([email protected])
http://www.openwall.com/lists/oss-security/2009/11/15/2 Mailing List, Third Party Advisory ([email protected])
http://www.openwall.com/lists/oss-security/2009/11/15/3 Mailing List, Third Party Advisory ([email protected])
http://www.openwall.com/lists/oss-security/2009/11/16/1 Mailing List, Third Party Advisory ([email protected])
http://www.osvdb.org/59958 Broken Link ([email protected])
http://archives.neohapsis.com/archives/fulldisclosure/2009-11/0142.html Broken Link (af854a3a-2127-422b-91ae-364da2661108)
http://archives.neohapsis.com/archives/fulldisclosure/2009-11/0149.html Broken Link (af854a3a-2127-422b-91ae-364da2661108)
http://archives.neohapsis.com/archives/fulldisclosure/2009-11/0153.html Broken Link (af854a3a-2127-422b-91ae-364da2661108)
http://core.trac.wordpress.org/ticket/11122 Issue Tracking, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://secunia.com/advisories/37332 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://wordpress.org/development/2009/11/wordpress-2-8-6-security-release/ Patch, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.openwall.com/lists/oss-security/2009/11/15/2 Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.openwall.com/lists/oss-security/2009/11/15/3 Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.openwall.com/lists/oss-security/2009/11/16/1 Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.osvdb.org/59958 Broken Link (af854a3a-2127-422b-91ae-364da2661108)