Mozilla Firefox iframe javascript:document.location denial of service

firefox-iframe-javascript-dos (38233)

Medium Risk

Description:

Mozilla Firefox could allow a remote attacker to cause a denial of service caused by improper handling of javascript:document.location tags within an iframe. By persuading a victim to visit a specially-crafted Web page containing a res:// and an about:config URI as the javascript:document.location source within an iframe tag, an attacker could cause the victim's browser to consume all available CPU resources.

*CVSS:

Base Score:	5
Access Vector:	Network
Access Complexity:	Low
Authentication:	None
Confidentiality Impact:	None
Integrity Impact:	None
Availability Impact:	Partial
Temporal Score:	4.3
Exploitability:	Proof-of-Concept
Remediation Level:	Unavailable
Report Confidence:	Uncorroborated

Consequences:

Denial of Service

Remedy:

No remedy available as of May 1, 2013.

References:

• Full-Disclosure Mailing List, Fri Nov 02 2007 - 15:02:23 CDT: Firefox 2.0.0.9 remote DoS vulnerability.
• Mozilla Web site: Mozilla Firefox.
• CVE-2007-5896: Mozilla Firefox 2.0.0.9 allows remote attackers to cause a denial of service (CPU consumption and crash) via an iframe with Javascript that sets the document.location to contain a leading NULL byte (\x00) and a (1) res://, (2) about:config, or (3) file:/// URI.
• OSVDB ID: 45296: Mozilla Firefox Crafted iframe JavaScript NULL Byte document.location DoS

Platforms Affected:

• Mozilla Firefox 2.0.0.9

Reported:

Nov 02, 2007

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The information within this database may change without notice. Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. In no event shall IBM be held liable for any damages whatsoever arising out of or in connection with the use or spread of this information.

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