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CVE-2011-4858

CVE-2011-4858

60Vexday Risk Score

Patch soon. It has a working public exploit.

ssvc Attendepss 80%
from disclosure to weapon0 days
Published on NVDJan 5
1st PoCJul 15
metasploitDec 28
exploitation probability
80%top 1% of all CVEs
observed exploitation
nono source reports it
1 public exploit(s)
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.
Affected products
n/a · n/a
public PoCs found — 1
exploitdbwww.exploit-db.com/exploits/2012unverified
⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.
References
http://mail-archives.apache.org/mod_mbox/tomcat-announce/201112.mbox/%3c4EFB9800.5010106%40apache.org%3ehttp://marc.info/?l=bugtraq&m=132871655717248&w=2http://marc.info/?l=bugtraq&m=133294394108746&w=2http://marc.info/?l=bugtraq&m=136485229118404&w=2http://rhn.redhat.com/errata/RHSA-2012-0074.htmlhttp://rhn.redhat.com/errata/RHSA-2012-0075.htmlhttp://rhn.redhat.com/errata/RHSA-2012-0076.htmlhttp://rhn.redhat.com/errata/RHSA-2012-0077.htmlhttp://rhn.redhat.com/errata/RHSA-2012-0078.htmlhttp://rhn.redhat.com/errata/RHSA-2012-0089.htmlhttp://rhn.redhat.com/errata/RHSA-2012-0325.htmlhttp://rhn.redhat.com/errata/RHSA-2012-0406.html