78112 : Apache Geronimo Hash Collision Form Parameter Parsing Remote DoS
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Timeline

Disclosure Date
2011-12-29

Description

Apache Geronimo contains a flaw that may allow a remote denial of service. The issue is triggered when an attacker sends multiple crafted parameters which trigger hash collisions, and will result in loss of availability for the program via CPU consumption.

Classification

Location: Remote / Network Access
Attack Type: Denial of Service
Impact: Loss of Availability
Solution: Upgrade
Exploit: Exploit Public
Disclosure: Uncoordinated Disclosure
OSVDB: Web Related

Solution

It has been reported that this issue has been fixed. Upgrade to version 2.2.2, or higher, to address this vulnerability.

Products

The Apache Software Foundation	Apache Geronimo	2.2.1
		2.1.7

References

CVE ID: 2011-5034 (see also: NVD)
Exploit Database: 2012-01-03
Secunia Advisory ID: 47412
CERT VU: 903934
Vendor URL: http://geronimo.apache.org/
Other Advisory URL: http://www.nruns.com/_downloads/advisory28122011.pdf
http://www.ocert.org/advisories/ocert-2011-003.html
https://github.com/FireFart/HashCollision-DOS-POC/blob/master/HashtablePOC.py

Credit

CVSSv2 Score

CVSSv2 Base Score = 7.8
Source: nvd.nist.gov | Generated: 2011-12-30 | Disagree?

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