Input validation error in Plone - CVE-2011-4462
Published: December 30, 2011 / Updated: August 11, 2020
Vulnerability identifier: #VU44421
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2011-4462
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Plone
Affected software:
Plone
Plone
Detailed vulnerability description
The vulnerability allows a remote non-authenticated attacker to perform service disruption.
Plone 4.1.3 and earlier computes hash values for form parameters without restricting the ability to trigger hash collisions predictably, which allows remote attackers to cause a denial of service (CPU consumption) by sending many crafted parameters.
How to mitigate CVE-2011-4462
Install update from vendor's website.
Sources
- http://archives.neohapsis.com/archives/bugtraq/2011-12/0181.html
- http://secunia.com/advisories/47406
- http://www.kb.cert.org/vuls/id/903934
- http://www.nruns.com/_downloads/advisory28122011.pdf
- http://www.ocert.org/advisories/ocert-2011-003.html
- https://exchange.xforce.ibmcloud.com/vulnerabilities/72018