5 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:N/I:N/A:P
0.651 Medium
EPSS
Percentile
97.8%
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.
Author | Note |
---|---|
mdeslaur | CVE-2011-4084 was rejected as a dupe of this one fixes overlap with CVE-2012-0022 fixes |
mail-archives.apache.org/mod_mbox/tomcat-announce/201112.mbox/%[email protected]%3e
markmail.org/message/jni4gb5biaolh66t
tomcat.apache.org/tomcat-7.0-doc/changelog.html
www.ocert.org/advisories/ocert-2011-003.html
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-4858
launchpad.net/bugs/cve/CVE-2011-4858
nvd.nist.gov/vuln/detail/CVE-2011-4858
security-tracker.debian.org/tracker/CVE-2011-4858
ubuntu.com/security/notices/USN-1359-1