GLSA-200611-12 : Ruby: Denial of Service vulnerability

This script is Copyright (C) 2006-2015 Tenable Network Security, Inc.

Synopsis :

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

Description :

The remote host is affected by the vulnerability described in GLSA-200611-12
(Ruby: Denial of Service vulnerability)

Zed Shaw, Jeremy Kemper, and Jamis Buck of the Mongrel project reported
that the CGI library shipped with Ruby is vulnerable to a remote Denial
of Service by an unauthenticated user.

Impact :

The vulnerability can be exploited by sending the cgi.rb library an
HTTP request with multipart MIME encoding that contains a malformed
MIME boundary specifier beginning with '-' instead of '--'. Successful
exploitation of the vulnerability causes the library to go into an
infinite loop waiting for additional nonexistent input.

Workaround :

There is no known workaround at this time.

See also :

Solution :

All Ruby users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose '>=dev-lang/ruby-1.8.5-r3'

Risk factor :

Medium / CVSS Base Score : 5.0
CVSS Temporal Score : 4.3
Public Exploit Available : false

Family: Gentoo Local Security Checks

Nessus Plugin ID: 23706 (gentoo_GLSA-200611-12.nasl)

Bugtraq ID: 20777

CVE ID: CVE-2006-5467

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