Mozilla crypto.generateCRMFRequest() vulnerability

Overview

A vulnerability exists in the Mozilla JavaScript routine generateCRMFRequest() that may allow a remote attacker to execute arbitrary code.

Description

The crypto object and generateCRMFRequest()

The crypto object is used to provide services related to cryptography, such as handling digital certificates. The generateCRMFRequest``() routine is used to generate keys for digital certificates.

The Problem

There is an unspecified vulnerability in the way the crypto object handles the generateCRMFRequest``() routine. If an attacker can persuade a user to access a specially crafted web page, that attacker may be able to execute arbitrary code.

Note that JavaScript must be enabled in order for this vulnerability to exist. JavaScript is enabled by default in the Firefox and Mozilla web browsers, but not in the Mozilla’s mail client or Thunderbird. Exploitation can occur by accessing a specially crafted web page with Firefox. If JavaScript is enabled within Mozilla’s mail client or Thunderbird, then this issue may be exploitable by opening a specially crafted email.

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Impact

A remote attacker may be able to execute arbitrary code with the privileges of the compromised user.

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Solution

Upgrade
Refer to Mozilla Foundation Security Advisory 2006-24 for fixed versions of Mozilla products.

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Disable JavaScript

For instructions on how to disable JavaScript in Firefox, please refer to the Firefox section of the Securing Your Web Browser document.

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Vendor Information

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Mozilla, Inc. __ Affected

Updated: April 17, 2006

Status

Affected

Vendor Statement

We have not received a statement from the vendor.

Vendor Information

The vendor has not provided us with any further information regarding this vulnerability.

Addendum

Refer to <http://www.mozilla.org/security/announce/2006/mfsa2006-24.html&gt;.

If you have feedback, comments, or additional information about this vulnerability, please send us [email](<mailto:[email protected]?Subject=VU%23932734 Feedback>).

Red Hat, Inc. __ Affected

Updated: June 15, 2006

Status

Affected

Vendor Statement

This issue affected Firefox and Thunderbird as shipped with Red Hat Enterprise Linux 4, and Mozilla as shipped with Red Hat Enterprise Linux 2.1, 3, and 4. Updated packages are available along with our advisories at the URL below and by using the Red Hat Network ‘up2date’ tool.

<https://rhn.redhat.com/cve/CVE-2006-1735.html&gt;

Vendor Information

The vendor has not provided us with any further information regarding this vulnerability.

CVSS Metrics

Group	Score	Vector
Base
Temporal
Environmental

References

• <http://www.mozilla.org/security/announce/2006/mfsa2006-24.html&gt;
• <http://developer.mozilla.org/en/docs/generateCRMFRequest&gt;
• <http://developer.mozilla.org/en/docs/JavaScript_crypto&gt;
• <http://www.securityfocus.com/bid/17516&gt;

Acknowledgements

This vulnerability was reported in Mozilla Foundation Security Advisory 2006-24. Mozilla credits shutdown with providing information regarding this issue.

This document was written by Jeff Gennari.

Other Information

CVE IDs:	CVE-2006-1728
Severity Metric:	20.45 Date Public: