Vulnerability identifier: #VU41179

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-2012-5508

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.

The error pages in Plone before 4.2.3 and 4.3 before beta 1 allow remote attackers to obtain random numbers and derive the PRNG state for password resets via unspecified vectors. NOTE: this identifier was SPLIT per ADT2 due to different vulnerability types. CVE-2012-6661 was assigned for the PRNG reseeding issue in Zope.

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://bugs.launchpad.net/zope2/+bug/1071067
http://github.com/plone/Products.CMFPlone/blob/4.2.3/docs/CHANGES.txt
http://plone.org/products/plone/security/advisories/20121106/24
http://plone.org/products/plone-hotfix/releases/20121124

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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.