Firefox < iframe.contentWindow.focus() Overflow

Medium Nessus Plugin ID 21322


A web browser on the remote host may be prone to a denial of service attack.


The installed version of Firefox may allow a malicious site to crash the browser and potentially to run malicious code when attempting to use a deleted controller context.

Successful exploitation requires that 'designMode' be turned on.


Upgrade to Firefox or later.

See Also

Plugin Details

Severity: Medium

ID: 21322

File Name: mozilla_firefox_1503.nasl

Version: $Revision: 1.19 $

Type: local

Agent: windows

Family: Windows

Published: 2006/05/04

Modified: 2017/06/06

Dependencies: 20862

Risk Information

Risk Factor: Medium


Base Score: 5.1

Temporal Score: 4

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

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

Vulnerability Information

CPE: cpe:/a:mozilla:firefox

Required KB Items: Mozilla/Firefox/Version

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 2006/05/02

Vulnerability Publication Date: 2006/04/23

Reference Information

CVE: CVE-2006-1993

BID: 17671

OSVDB: 24967