Vulnerability identifier: #VU41056

Vulnerability risk: Medium

CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2014-9038

CWE-ID: CWE-20

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
WordPress
Web applications / CMS

Vendor: WordPress.ORG

Description

The vulnerability allows a remote non-authenticated attacker to read and manipulate data.

wp-includes/http.php in WordPress before 3.7.5, 3.8.x before 3.8.5, 3.9.x before 3.9.3, and 4.x before 4.0.1 allows remote attackers to conduct server-side request forgery (SSRF) attacks by referring to a 127.0.0.0/8 resource.

Mitigation
Install update from vendor's website.

Vulnerable software versions

WordPress: 3.8 - 3.8.4, 3.9 - 3.9.2, 4.0

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External links
http://advisories.mageia.org/MGASA-2014-0493.html
http://openwall.com/lists/oss-security/2014/11/25/12
http://www.debian.org/security/2014/dsa-3085
http://www.mandriva.com/security/advisories?name=MDVSA-2014:233
http://www.securitytracker.com/id/1031243
http://core.trac.wordpress.org/changeset/30444
http://wordpress.org/news/2014/11/wordpress-4-0-1/

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.