FreeBSD : ruby -- BigDecimal denial of service vulnerability (62e0fbe5-5798-11de-bb78-001cc0377035)

This script is Copyright (C) 2009-2016 Tenable Network Security, Inc.


Synopsis :

The remote FreeBSD host is missing one or more security-related
updates.

Description :

The official ruby site reports :

A denial of service (DoS) vulnerability was found on the BigDecimal
standard library of Ruby. Conversion from BigDecimal objects into
Float numbers had a problem which enables attackers to effectively
cause segmentation faults.

An attacker can cause a denial of service by causing BigDecimal to
parse an insanely large number, such as :

BigDecimal('9E69999999').to_s('F')

See also :

http://www.nessus.org/u?d9c7b7be
http://www.nessus.org/u?e0e356aa

Solution :

Update the affected packages.

Risk factor :

Medium / CVSS Base Score : 5.0
(CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P)
CVSS Temporal Score : 4.3
(CVSS2#E:ND/RL:OF/RC:C)
Public Exploit Available : false

Family: FreeBSD Local Security Checks

Nessus Plugin ID: 39375 (freebsd_pkg_62e0fbe5579811debb78001cc0377035.nasl)

Bugtraq ID: 35278

CVE ID: CVE-2009-1904

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