Vulnerability Description
Apache Tomcat before 5.5.35, 6.x before 6.0.35, and 7.x before 7.0.23 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.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Apache | Tomcat | 5.5.35 |
Related Weaknesses (CWE)
References
- http://mail-archives.apache.org/mod_mbox/tomcat-announce/201112.mbox/%3c4EFB9800
- http://marc.info/?l=bugtraq&m=132871655717248&w=2
- http://marc.info/?l=bugtraq&m=133294394108746&w=2
- http://marc.info/?l=bugtraq&m=136485229118404&w=2
- http://rhn.redhat.com/errata/RHSA-2012-0074.html
- http://rhn.redhat.com/errata/RHSA-2012-0075.html
- http://rhn.redhat.com/errata/RHSA-2012-0076.html
- http://rhn.redhat.com/errata/RHSA-2012-0077.html
- http://rhn.redhat.com/errata/RHSA-2012-0078.html
- http://rhn.redhat.com/errata/RHSA-2012-0089.html
- http://rhn.redhat.com/errata/RHSA-2012-0325.html
- http://rhn.redhat.com/errata/RHSA-2012-0406.html
- http://secunia.com/advisories/48549
- http://secunia.com/advisories/48790
- http://secunia.com/advisories/48791
FAQ
What is CVE-2011-4858?
CVE-2011-4858 is a vulnerability with a CVSS score of 5.0 (MEDIUM). Apache Tomcat before 5.5.35, 6.x before 6.0.35, and 7.x before 7.0.23 computes hash values for form parameters without restricting the ability to trigger hash collisions predictably, which allows remo...
How severe is CVE-2011-4858?
CVE-2011-4858 has been rated MEDIUM with a CVSS base score of 5.0/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2011-4858?
Check the references section above for vendor advisories and patch information. Affected products include: Apache Tomcat.