Summary

Curl is vulnerable to a denial-of-service (DoS) issue due to how some HTTP(s) servers handle cookies that contain 'control-bytes' / 'control codes' (byte values below 32).

When curl sends cookies that contain these bytes to an HTTP(s) server, it may return a 400 response which effectively allows a "sister site" to deny service to siblings.

Products Affected

Brocade ASCG versions prior to v3.0

Products Confirmed Not Affected

Brocade Fabric OS does not use cookies and the affected code is not used within the product

Brocade SANnav does not use the affected code within the product. 

Solution

Solution provided in Brocade ASCG v3.0 and later versions

Revision History

Disclaimer

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