Vulnerability identifier: #VU41253

Vulnerability risk: Medium

CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2012-5491

CWE-ID: CWE-200

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Plone
Web applications / CMS

Vendor: Plone

Description

The vulnerability allows a remote non-authenticated attacker to gain access to sensitive information.

z3c.form, as used in Plone before 4.2.3 and 4.3 before beta 1, allows remote attackers to obtain the default form field values by leveraging knowledge of the form location and the element id.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Plone: 1.0 - 4.3

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External links
http://www.openwall.com/lists/oss-security/2012/11/10/1
http://github.com/plone/Products.CMFPlone/blob/4.2.3/docs/CHANGES.txt
http://plone.org/products/plone/security/advisories/20121106/07
http://plone.org/products/plone-hotfix/releases/20121106

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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.