GLSA-201207-06 : JRuby: Denial of Service

high Nessus Plugin ID 59898

Synopsis

The remote Gentoo host is missing one or more security-related patches.

Description

The remote host is affected by the vulnerability described in GLSA-201207-06 (JRuby: Denial of Service)

JRuby does not properly randomize hash functions to protect against hash collision attacks.
Impact :

A remote attacker could send a specially crafted input, possibly resulting in a Denial of Service condition.
Workaround :

There is no known workaround at this time.

Solution

All JRuby users should upgrade to the latest version:
# emerge --sync # emerge --ask --oneshot --verbose '>=dev-java/jruby-1.6.5.1'

See Also

https://security.gentoo.org/glsa/201207-06

Plugin Details

Severity: High

ID: 59898

File Name: gentoo_GLSA-201207-06.nasl

Version: 1.8

Type: local

Published: 7/10/2012

Updated: 1/6/2021

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Low

Score: 2.7

CVSS v2

Risk Factor: High

Base Score: 7.8

Temporal Score: 5.8

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:C

Vulnerability Information

CPE: p-cpe:/a:gentoo:linux:jruby, cpe:/o:gentoo:linux

Required KB Items: Host/local_checks_enabled, Host/Gentoo/release, Host/Gentoo/qpkg-list

Exploit Ease: No known exploits are available

Patch Publication Date: 7/9/2012

Reference Information

CVE: CVE-2011-4838

BID: 51233

GLSA: 201207-06