CVE-2011-5034 Apache Geronimo Hash Collisions Cause DoS

What is CVE-2011-5034?

CVE-2011-5034 is a high-severity denial of service vulnerability in n/a, published on 30 Dec 2011. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Apache Geronimo 2.2.1 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. NOTE: this might overlap CVE-2011-4461.

Weakness: CWE-20

Which versions are affected by CVE-2011-5034?

2 open source packages ship an affected version, including org.apache.geronimo:geronimo. It affects 1 product.

Products include Apache Geronimo.

How do I fix CVE-2011-5034?

Upgrade org.apache.geronimo:geronimo to 2.2.1 or later.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2011-5034 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2011-5034 exists.

Public exploit code: 1 Metasploit module and 1 Exploit-DB entry.

Other vulnerabilities in n/a

• CVE-2013-1777 Apache Geronimo JMX Remoting functionality allows remote code execution in 3.x before v3.0.1 Critical 10.0
• CVE-2007-4548 Auth bypass in n/a Critical 10.0
• CVE-2008-5518 Apache Geronimo Application Server multiple directory traversal vulnerabilities Critical 9.4
• CVE-2007-5797 Auth bypass in n/a High 7.5
• CVE-2009-0039 Apache Geronimo Application Server CSRF vulnerabilities Medium 6.8

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-v3h8-rw48-h4gr.