Resource management error in Plone

1) Resource management error

EUVDB-ID: #VU41258

Risk: Medium

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

CVE-ID: CVE-2012-5496

CWE-ID: CWE-399 - Resource Management Errors

Exploit availability: No

Description

The vulnerability allows a remote non-authenticated attacker to perform service disruption.

kupu_spellcheck.py in Kupu in Plone before 4.0 allows remote attackers to cause a denial of service (ZServer thread lock) via a crafted URL.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Plone: 1.0 - 3.3.4

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/20121106/12
http://plone.org/products/plone-hotfix/releases/20121106

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.