Vulnerability identifier: #VU41259

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-2012-5497

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.

membership_tool.py in Plone before 4.2.3 and 4.3 before beta 1 allows remote attackers to enumerate user account names via a crafted URL.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Plone: 1.0 - 4.3

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External links
http://rhn.redhat.com/errata/RHSA-2014-1194.html
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/20121106/13
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.