CVE-2011-4838

CVSS V2 Medium 5 CVSS V3 None

Description

JRuby before 1.6.5.1 computes hash values without restricting the ability to trigger hash collisions predictably, which allows context-dependent attackers to cause a denial of service (CPU consumption) via crafted input to an application that maintains a hash table.

Overview

CVE ID
CVE-2011-4838

Assigner
cve@mitre.org

Vulnerability Status
Analyzed

Published Version
2011-12-30T01:55:01

Last Modified Date
2021-01-12T14:30:28

Weakness Enumerations

CWE	URL
CWE-400	http://cwe.mitre.org/data/definitions/400.html

CPE Configuration (Product)

CPE	Vulnerable	Operator	Version Start	Version End
cpe:2.3:a:jruby:jruby::::::::	1	OR		1.6.5.1

CVSS Version 2

Version
2.0

Vector String
AV:N/AC:L/Au:N/C:N/I:N/A:P

Access Vector
NETWORK

Access Compatibility
LOW

Authentication
NONE

Confidentiality Impact
NONE

Integrity Impact
NONE

Availability Impact
PARTIAL

Base Score
5

Severity
MEDIUM

Exploitability Score
10

Impact Score
2.9

References

Reference URL	Reference Tags
http://www.ocert.org/advisories/ocert-2011-003.html	Third Party Advisory
http://www.kb.cert.org/vuls/id/903934	Third Party Advisory US Government Resource
http://www.nruns.com/_downloads/advisory28122011.pdf	Third Party Advisory
http://secunia.com/advisories/47407	Third Party Advisory
http://jruby.org/2011/12/27/jruby-1-6-5-1.html	Vendor Advisory
http://archives.neohapsis.com/archives/bugtraq/2011-12/0181.html	Broken Link
http://rhn.redhat.com/errata/RHSA-2012-1232.html	Broken Link
http://secunia.com/advisories/50084	Third Party Advisory
http://security.gentoo.org/glsa/glsa-201207-06.xml	Third Party Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/72019	Third Party Advisory VDB Entry

Sources

Source Name	Source URL
NIST	https://nvd.nist.gov/vuln/detail/CVE-2011-4838
MITRE	https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-4838

History

Created	Old Value	New Value	Data Type	Notes
2022-05-10 07:27:37				Added to TrackCVE