phc-discussions - Re: [PHC] Password Hashing done wrong on CISCO IOS

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Message-Id: <E05CA7D2-2E92-4A4C-9C57-C4AB2C635FE8@thorsheim.net>
Date: Thu, 21 Mar 2013 17:09:47 +0100
From: Per Thorsheim <per@...rsheim.net>
To: "discussions@...sword-hashing.net" <discussions@...sword-hashing.net>
Subject: Re: [PHC] Password Hashing done wrong on CISCO IOS

Discovered & responsibly reported to Cisco by Jens Steube (+friend). Jens happens to be atom@...hcat.net, who should be a well-known person to this list I guess. ;-)

Best regards,
Per Thorsheim
CISA, CISM, CISSP-ISSAP
http://securitynirvana.blogspot.com/
+47 90999259


Den 21. mars 2013 kl. 17:06 skrev Yann Droneaud <ydroneaud@...eya.com>:

> Hi,
> 
> Reported by H-Online
> 
> "Weakened password hashing found in Cisco devices"
> 
> http://www.h-online.com/security/news/item/Weakened-password-hashing-found-in-Cisco-devices-1827197.html
> 
> "The algorithm was incorrectly implemented in version 15 of Cisco's IOS operating system, so that instead of using an 80-bit "salt" value, it used none, and instead of an intended 1000 iterations through SHA256, it used only one."
> 
> What can be worst ? :/
> 
> Regards.
> 
> -- 
> Yann Droneaud
> OPTEYA
>