IE 5.22 on Mac Transmitting HTTP Referer from Secure Page

2008.07.16

Credit: deane deanebarker net

Risk: Medium

Local: No

Remote: Yes

CVE: CVE-2003-1559

CWE: CWE-200

CVSS Base Score: 5/10

Impact Subscore: 2.9/10

Exploitability Subscore: 10/10

Exploit range: Remote

Attack complexity: Low

Authentication: No required

Confidentiality impact: Partial

Integrity impact: None

Availability impact: None

Documented instance of Internet Explorer 5.22 on a Mac transmitting an HTTP Referer header from a link on a secure page (https):
http://www.gadgetopia.com/2003/12/23/OutlookWebAccessPrivacyHole.html
This is clearly covered in the HTTP 1.1 spec (RFC 2616), Section 15.1.3, "Encoding Sensitive Information in URI's":
"Clients SHOULD NOT include a Referer header field in a (non-secure) HTTP request if the referring page was transferred with a secure protocol."

References:

http://www.securityfocus.com/bid/9295

http://www.securityfocus.com/archive/1/348574

http://www.securityfocus.com/archive/1/348360

http://www.gadgetopia.com/2003/12/23/OutlookWebAccessPrivacyHole.html

See this note in RAW Version

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IE 5.22 on Mac Transmitting HTTP Referer from Secure Page

References:

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