FreeBSD : ruby -- cgi.rb library Denial of Service (ab8dbe98-6be4-11db-ae91-0012f06707f0)

Medium Nessus Plugin ID 22938


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


Official ruby site reports :

A vulnerability has been discovered in the CGI library (cgi.rb) that ships with Ruby which could be used by a malicious user to create a denial of service attack (DoS). The problem is triggered by sending the library an HTTP request that uses multipart MIME encoding and as an invalid boundary specifier that begins with '-' instead of '--'.
Once triggered it will exhaust all available memory resources effectively creating a DoS condition.


Update the affected packages.

See Also

Plugin Details

Severity: Medium

ID: 22938

File Name: freebsd_pkg_ab8dbe986be411dbae910012f06707f0.nasl

Version: $Revision: 1.15 $

Type: local

Published: 2006/11/06

Modified: 2016/05/05

Dependencies: 12634

Risk Information

Risk Factor: Medium


Base Score: 5

Temporal Score: 4.3

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

Temporal Vector: CVSS2#E:ND/RL:OF/RC:C

Vulnerability Information

CPE: p-cpe:/a:freebsd:freebsd:ruby, p-cpe:/a:freebsd:freebsd:ruby+oniguruma, p-cpe:/a:freebsd:freebsd:ruby+pthreads, p-cpe:/a:freebsd:freebsd:ruby+pthreads+oniguruma, p-cpe:/a:freebsd:freebsd:ruby_static, cpe:/o:freebsd:freebsd

Required KB Items: Host/local_checks_enabled, Host/FreeBSD/release, Host/FreeBSD/pkg_info

Exploit Available: false

Exploit Ease: No known exploits are available

Patch Publication Date: 2006/11/04

Vulnerability Publication Date: 2006/10/25

Reference Information

CVE: CVE-2006-5467

BID: 20777