Bug 188869 - CVE-2006-0884 JavaScript execution in mail when forwarding in-line
Summary: CVE-2006-0884 JavaScript execution in mail when forwarding in-line
Alias: None
Product: Red Hat Enterprise Linux 4
Classification: Red Hat
Component: thunderbird
Version: 4.0
Hardware: All
OS: Linux
Target Milestone: ---
: ---
Assignee: Christopher Aillon
QA Contact:
Whiteboard: reported=20060412,source=mozilla,emba...
Keywords: Security
Depends On:
TreeView+ depends on / blocked
Reported: 2006-04-13 04:06 UTC by Josh Bressers
Modified: 2007-11-30 22:07 UTC (History)
1 user (show)

Clone Of:
Last Closed: 2006-04-25 13:40:25 UTC

Attachments (Terms of Use)

External Trackers
Tracker ID Priority Status Summary Last Updated
Red Hat Product Errata RHSA-2006:0330 normal SHIPPED_LIVE Critical: thunderbird security update 2006-04-21 04:00:00 UTC

Description Josh Bressers 2006-04-13 04:06:36 UTC
JavaScript execution in mail when forwarding in-line

Georgi Guninski reports that forwarding mail in-line while using the default
HTML "rich mail" editor will execute JavaScript embedded in the e-mail
message. Forwarding mail in-line is not the default setting but it is easily
accessed through the "Forward As" menu item.

This JavaScript runs with the full privileges of the client and could be
used to install malware or send spam.

In Thunderbird 1.0.7 and below and Mozilla Suite 1.7.12 and below JavaScript
is also executed when you reply to a mail, though limited to the sandbox of
the  message.  This  script  could spy on or alter the message you are


Switch to "plain text" mail composition, this vulnerability only affects
HTML mail composition (the default). On the "Composition and Addressing" tab
of Thunderbird's Account Settings dialog uncheck the "Compose messages in
HTML format" option to compose messages in plain text.



Comment 3 Josh Bressers 2006-04-24 16:41:47 UTC
Lifting embargo

Comment 4 Red Hat Bugzilla 2006-04-25 13:40:25 UTC
An advisory has been issued which should help the problem
described in this bug report. This report is therefore being
closed with a resolution of ERRATA. For more information
on the solution and/or where to find the updated files,
please follow the link below. You may reopen this bug report
if the solution does not work for you.


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