Flaw in Firefox 3.0: protocol-handler.warn-external are ignored

2008.06.19

Credit: carl hardwick

Risk: Low

Local: No

Remote: Yes

CVE: N/A

CWE: N/A

these protocol-handler security settings are ignored although they're
set to 'true' and no warnings are shown:
network.protocol-handler.warn-external.mailto
network.protocol-handler.warn-external.news
network.protocol-handler.warn-external.nntp
network.protocol-handler.warn-external.snews
(in about:config)
For example,
I set network.protocol-handler.warn-external.mailto to 'true', clicked
on an e-mail link and Windows Mail is launched without any warnings
(tested on Firefox 3.0 on Windows Vista SP1)

References:

http://seclists.org/fulldisclosure/2008/Jun/0228.html

See this note in RAW Version

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Flaw in Firefox 3.0: protocol-handler.warn-external are ignored

References:

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