SuSE 11.2 Security Update : ruby (SAT Patch Number 7386)

This script is Copyright (C) 2013 Tenable Network Security, Inc.

Synopsis :

The remote SuSE 11 host is missing one or more security updates.

Description :

The ruby interpreter received a fix for a security issue :

- Ruby's $SAFE mechanism enables untrusted user codes to
run in $SAFE >= 4 mode. This is a kind of sandboxing so
some operations are restricted in that mode to protect
other data outside the sandbox. (CVE-2012-4466)

The problem found was around this mechanism.
Exception#to_s, NameError#to_s, and name_err_mesg_to_s()
interpreter-internal API was not correctly handling the
$SAFE bits so a String object which is not tainted can
destructively be marked as tainted using them. By using
this an untrusted code in a sandbox can modify a
formerly-untainted string destructively.

See also :

Solution :

Apply SAT patch number 7386.

Risk factor :

Medium / CVSS Base Score : 5.0

Family: SuSE Local Security Checks

Nessus Plugin ID: 65248 ()

Bugtraq ID:

CVE ID: CVE-2012-4464

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