CVE-2011-4461: Input Validation
Jetty 8.1.0.RC2 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.
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2011-4461?
CVE-2011-4461 is considered a medium severity vulnerability due to its potential for denial of service through CPU exhaustion.
How do I fix CVE-2011-4461?
To mitigate CVE-2011-4461, upgrade to Jetty version 8.1.0.RC4 or later.
What types of attacks can exploit CVE-2011-4461?
CVE-2011-4461 can be exploited through crafted form parameters sent by remote attackers to trigger hash collisions, leading to high CPU consumption.
Which versions of Jetty are affected by CVE-2011-4461?
CVE-2011-4461 affects Jetty versions 8.1.0.RC2 and earlier.
Is CVE-2011-4461 related to hash collision vulnerabilities?
Yes, CVE-2011-4461 is primarily related to hash collision vulnerabilities, allowing denial of service through predictable hash computation.